13218614640

Names of 13218614640

• Cardinal: 13218614640 can be written as Thirteen billion, two hundred eighteen million, six hundred fourteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.321861464 × 10¹⁰

Factors of 13218614640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 183

Divisors of 13218614640

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 19 20 21 22 24 27 28 30 33 35 36 38 40 42 44 45 47 48 54 55 56 57 60 63 66 70 72 76 77 80 84 88 89 90 94 95 99 105 108 110 112 114 120 126 132 133 135 140 141 144 152 154 165 168 171 176 178 180 188 189 190 198 209 210 216 220 228 231 235 240 252 264 266 267 270 280 282 285 297 304 308 315 329 330 336 342 356 360 376 378 380 385 396 399 418 420 423 432 440 445 456 462 470 495 504 513 517 528 532 534 540 560 564 570 594 616 623 627 630 658 660 665 684 693 705 712 720 752 756 760 770 792 798 801 836 840 846 855 880 890 893 912 924 940 945 979 987 990 1008 1026 1034 1045 1064 1068 1080 1128 1140 1155 1188 1197 1232 1246 1254 1260 1269 1316 1320 1330 1335 1368 1386 1410 1424 1463 1485 1512 1520 1540 1551 1584 1596 1602 1645 1672 1680 1691 1692 1710 1780 1786 1848 1869 1880 1881 1890 1958 1974 1980 1995 2052 2068 2079 2090 2115 2128 2136 2160 2256 2280 2310 2376 2394 2403 2492 2508 2520 2538 2565 2585 2632 2640 2660 2670 2679 2736 2772 2820 2926 2937 2961 2970 3024 3080 3102 3115 3135 3192 3204 3290 3344 3382 3384 3420 3465 3560 3572 3591 3619 3696 3738 3760 3762 3780 3916 3948 3960 3990 4005 4104 4136 4158 4180 4183 4230 4272 4389 4465 4560 4620 4653 4752 4788 4806 4895 4935 4984 5016 5040 5073 5076 5130 5170 5264 5320 5340 5358 5544 5607 5640 5643 5852 5874 5922 5940 5985 6160 6204 6230 6251 6270 6345 6384 6408 6580 6764 6768 6840 6853 6930 7120 7144 7182 7238 7315 7476 7524 7560 7755 7832 7896 7920 7980 8010 8037 8208 8272 8316 8360 8366 8455 8460 8778 8811 8883 8930 9240 9306 9345 9405 9576 9612 9790 9823 9870 9968 10032 10146 10152 10260 10340 10395 10640 10680 10716 10857 11088 11214 11280 11286 11704 11748 11837 11844 11880 11970 12015 12408 12460 12502 12540 12549 12690 12816 13160 13167 13395 13528 13680 13706 13860 13959 14288 14364 14476 14630 14685 14805 14952 15048 15120 15219 15510 15664 15792 15960 16020 16074 16632 16720 16732 16821 16910 16920 17556 17622 17766 17860 17955 18095 18480 18601 18612 18690 18753 18810 19152 19224 19580 19646 19740 20292 20304 20520 20559 20680 20790 20915 21360 21432 21714 21945 22428 22572 23265 23408 23496 23674 23688 23760 23940 24030 24111 24816 24920 25004 25080 25098 25365 25380 26320 26334 26433 26790 27056 27412 27720 27918 28035 28215 28728 28952 29260 29281 29370 29469 29610 29904 30096 30438 31020 31255 31920 32040 32148 32571 33264 33464 33642 33820 33840 34265 35112 35244 35511 35532 35720 35910 36190 37202 37224 37380 37506 37620 37647 38448 39160 39292 39480 39501 40185 40584 41040 41118 41360 41580 41830 42864 43428 43890 44055 44415 44856 45144 45657 46013 46530 46992 47348 47376 47880 48060 48222 49115 49840 50008 50160 50196 50730 50760 52668 52866 53580 54285 54824 55440 55803 55836 56070 56259 56430 57456 57904 58520 58562 58740 58938 59185 59220 60876 61677 62040 62510 62745 64080 64296 65142 65835 66928 67284 67640 68530 68761 69795 70224 70488 71022 71064 71440 71820 72380 74404 74448 74760 75012 75240 75294 76095 78320 78584 78960 79002 79477 80370 81168 82236 83160 83660 84105 86856 87780 87843 88110 88407 88830 89712 90288 91314 92026 93005 93060 93765 94696 95760 96120 96444 97713 98230 100016 100392 101460 101520 102795 105336 105732 106533 107160 108570 109648 111606 111672 112140 112518 112860 112941 117040 117124 117480 117876 118370 118440 120555 121752 123354 124080 125020 125490 128592 130207 130284 131670 132165 134568 135280 137060 137522 138039 139590 140976 142044 142128 143640 144760 146405 147345 148808 149520 150024 150480 150588 152190 157168 158004 158954 160740 162855 164472 166320 167320 167409 168210 168777 173712 175560 175686 176220 176814 177555 177660 182628 184052 185031 186010 186120 187530 188235 189392 192240 192888 195426 196460 197505 200784 202920 205590 206283 210672 211464 213066 214320 217140 223212 223344 224280 225036 225720 225882 228285 230065 234248 234960 235752 236740 236880 238431 241110 243504 246708 250040 250980 260414 260568 263340 263529 264330 265221 269136 274120 275044 276078 279015 279180 281295 284088 287280 289520 292810 294690 297616 300048 301176 304380 308385 316008 317908 319599 321480 322091 325710 328944 334640 334818 336420 337554 343805 351120 351372 352440 353628 355110 355320 365256 368104 370062 372020 372240 375060 376470 385776 390621 390852 392920 395010 397385 405840 411180 412566 414117 422928 426132 434280 439215 442035 446424 448560 450072 451440 451764 456570 460130 468496 471504 473480 476862 482220 488565 493416 500080 501960 502227 520828 521136 526680 527058 528660 530442 532665 548240 550088 552156 556339 558030 558360 562590 564705 568176 585620 589380 602352 608760 616770 618849 632016 635816 639198 642960 644182 651035 651420 669636 672840 675108 687610 690195 702744 704880 707256 710220 710640 715293 730512 736208 740124 744040 750120 752940 781242 781704 785840 790020 790587 794770 822360 825132 828234 837045 843885 852264 868560 874247 878430 884070 892848 900144 903528 913140 920260 925155 946960 953724 964440 966273 977130 986832 1003920 1004454 1031415 1041656 1053360 1054116 1057320 1060884 1065330 1100176 1104312 1112678 1116060 1116720 1125180 1129410 1171240 1171863 1178760 1192155 1217520 1233540 1237698 1242351 1271632 1278396 1288364 1302070 1302840 1317645 1326105 1339272 1345680 1350216 1375220 1380390 1405488 1414512 1420440 1430586 1480248 1488080 1500240 1505880 1562484 1563408 1580040 1581174 1589540 1597995 1610455 1644720 1650264 1656468 1669017 1674090 1687770 1704528 1748494 1756860 1768140 1807056 1826280 1840520 1850310 1856547 1907448 1928880 1932546 1953105 1954260 2008908 2062830 2070585 2083312 2108232 2114640 2121768 2130660 2145879 2208624 2225356 2232120 2250360 2258820 2342480 2343726 2357520 2384310 2467080 2475396 2484702 2511135 2556792 2576728 2604140 2605680 2622741 2635290 2652210 2678544 2700432 2750440 2760780 2781695 2840880 2861172 2898819 2960496 3011760 3094245 3124968 3160080 3162348 3179080 3195990 3220910 3300528 3312936 3338034 3348180 3375540 3496988 3513720 3515589 3536280 3576465 3652560 3681040 3700620 3713094 3814896 3865092 3906210 3908520 3952935 4017816 4125660 4141170 4216464 4243536 4261320 4291758 4371235 4450712 4464240 4500720 4517640 4687452 4768620 4831365 4934160 4950792 4969404 5007051 5022270 5113584 5153456 5208280 5245482 5270580 5304420 5500880 5521560 5563390 5722344 5797638 5859315 6119729 6188490 6211755 6249936 6324696 6358160 6391980 6441820 6625872 6676068 6696360 6751080 6993976 7027440 7031178 7072560 7152930 7401240 7426188 7730184 7812420 7817040 7868223 7905870 8035632 8251320 8282340 8345085 8522640 8583516 8696457 8742470 8901424 9035280 9282735 9374904 9537240 9662730 9901584 9938808 10014102 10044540 10416560 10490964 10541160 10608840 10729395 11043120 11126780 11444688 11595276 11718630 12239458 12376980 12423510 12649392 12783960 12883640 13113705 13352136 13392720 13502160 13987952 14062356 14305860 14494095 14802480 14852376 15021153 15460368 15624840 15736446 15811740 16502640 16564680 16690170 17167032 17392914 17484940 17577945 18359187 18565470 18749808 19074480 19325460 19877616 20028204 20089080 20981928 21082320 21217680 21458790 22253560 23190552 23437260 23604669 24478916 24753960 24847020 25035255 25567920 25767280 26227410 26704272 28124712 28611720 28988190 29704752 30042306 30598645 31249680 31472892 31623480 33129360 33380340 34334064 34785828 34969880 35155890 36718374 37130940 38650920 39341115 40056408 40178160 41963856 42917580 43482285 44507120 46381104 46874520 47209338 48957832 49507920 49694040 50070510 52454820 55077561 56249424 57223440 57976380 60084612 61197290 62945784 63246960 66760680 69571656 69939760 70311780 73436748 74261880 75105765 77301840 78682230 80112816 85835160 86964570 91795935 93749040 94418676 97915664 99388080 100141020 104909640 110155122 115952760 118023345 120169224 122394580 125891568 133521360 139143312 140623560 146873496 148523760 150211530 157364460 165232683 171670320 173929140 183591870 188837352 200282040 209819280 220310244 231905520 236046690 240338448 244789160 275387805 281247120 293746992 300423060 314728920 330465366 347858280 367183740 377674704 400564080 440620488 472093380 489578320 550775610 600846120 629457840 660930732 695716560 734367480 826163415 881240976 944186760 1101551220 1201692240 1321861464 1468734960 1652326830 1888373520 2203102440 2643722928 3304653660 4406204880 6609307320 13218614640
• Sum of all divisors σ(n): 61710336000
• Sum of proper divisors (its aliquot sum) s(n): 48491721360
• 13218614640 is an abundant number, because the sum of its proper divisors (48491721360) is greater than itself. Its abundance is 35273106720

Bases of 13218614640

• Binary: 1100010011111001000000110101110000₂
• Hexadecimal: 0x313E40D70
• Base-36: 62M0SC0

Squares and roots of 13218614640

• 13218614640 squared (13218614640²) is 174731773000822329600
• 13218614640 cubed (13218614640³) is 2309711972661826778089465344000
• The square root of 13218614640 is 114972.2342133091
• The cube root of 13218614640 is 2364.4419024967

Scales and comparisons

• 13,218,614,640 seconds is equal to 420 years, 16 weeks, 1 day, 5 hours, 24 minutes.
• To count from 1 to 13,218,614,640 would take you about eight hundred forty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13218614640 cubic inches would be around 197 feet tall.

Recreational maths with 13218614640

• 13218614640 backwards is 04641681231
• 13218614640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13218614640's digits is 36
• More coming soon!