12817087920

Names of 12817087920

• Cardinal: 12817087920 can be written as Twelve billion, eight hundred seventeen million, eighty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.281708792 × 10¹⁰

Factors of 12817087920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 558

Divisors of 12817087920

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 104 105 108 112 117 120 126 130 135 140 144 156 168 180 182 189 195 197 208 210 216 234 240 252 260 270 273 280 312 315 331 336 351 360 364 378 390 394 420 432 455 468 504 520 540 546 560 585 591 624 630 662 702 720 728 756 780 788 819 840 910 936 945 985 993 1008 1040 1080 1092 1170 1182 1260 1324 1365 1379 1404 1456 1512 1560 1576 1638 1655 1680 1755 1773 1820 1872 1890 1970 1986 2160 2184 2317 2340 2364 2457 2520 2561 2648 2730 2758 2808 2955 2979 3024 3120 3152 3276 3310 3510 3546 3640 3780 3940 3972 4095 4137 4303 4368 4634 4680 4728 4914 4965 5040 5122 5296 5319 5460 5516 5616 5910 5958 6552 6620 6895 6951 7020 7092 7280 7560 7683 7880 7944 8190 8274 8606 8865 8937 9268 9360 9456 9828 9930 10244 10638 10920 11032 11585 11820 11916 12285 12411 12805 12909 13104 13240 13790 13902 14040 14184 14895 15120 15366 15760 15888 16380 16548 17212 17730 17874 17927 18536 19656 19860 20488 20685 20853 21276 21515 21840 22064 23049 23170 23640 23832 24570 24822 25610 25818 26480 26595 27580 27804 28080 28368 29790 30121 30732 32760 33096 34424 34755 35460 35748 35854 37072 37233 38415 38727 39312 39720 40976 41370 41706 42552 43030 44685 46098 46340 47280 47664 49140 49644 51220 51636 53190 53781 55160 55608 59580 60242 61464 62055 62559 64545 65207 65520 66192 68848 69147 69510 70920 71496 71708 74466 76830 77454 79440 82740 83412 85104 86060 89370 89635 90363 92196 92680 98280 99288 102440 103272 104265 106380 107562 110320 111216 115245 116181 119160 120484 122928 124110 125118 129090 130414 138294 139020 141840 142992 143416 148932 150605 153660 154908 161343 165480 166824 172120 178740 179270 180726 184392 185360 186165 193635 195621 196560 198576 204880 206544 208530 212760 215124 230490 232362 238320 240968 248220 250236 258180 260828 268905 271089 276588 278040 286832 297864 301210 307320 309816 312795 322686 326035 330960 333648 344240 345735 357480 358540 361452 368784 372330 387270 391242 417060 425520 430248 451815 456449 460980 464724 481936 484029 496440 500472 516360 521656 537810 542178 553176 556080 580905 586863 595728 602420 614640 619632 625590 645372 652070 691470 714960 717080 722904 744660 774540 782484 806715 813267 834120 847691 860496 903630 912898 921960 929448 968058 978105 992880 1000944 1032720 1043312 1075620 1084356 1106352 1161810 1173726 1204840 1251180 1290744 1304140 1355445 1369347 1382940 1434160 1445808 1489320 1549080 1564968 1613430 1626534 1668240 1695382 1760589 1807260 1825796 1843920 1858896 1936116 1956210 2151240 2168712 2282245 2323620 2347452 2409680 2420145 2502360 2543073 2581488 2608280 2710890 2738694 2765880 2934315 2978640 3098160 3129936 3226860 3253068 3390764 3521178 3614520 3651592 3872232 3912420 4066335 4108041 4238455 4302480 4337424 4564490 4647240 4694904 4840290 5004720 5086146 5216560 5421780 5477388 5531760 5868630 5933837 6453720 6506136 6781528 6846735 7042356 7229040 7303184 7629219 7744464 7824840 8132670 8216082 8476910 8802945 9128980 9294480 9389808 9680580 10172292 10843560 10954776 11737260 11867674 12324123 12715365 12907440 13012272 13563056 13693470 14084712 15258438 15649680 16265340 16432164 16953820 17605890 17801511 18257960 19361160 20344584 20540205 21687120 21909552 22887657 23474520 23735348 24648246 25430730 27386940 28169424 29669185 30516876 32530680 32864328 33907640 35211780 35603022 36515920 38146095 38722320 40689168 41080410 45775314 46949040 47470696 49296492 50861460 53404533 54773880 59338370 61033752 61620615 65061360 65728656 67815280 70423560 71206044 76292190 82160820 89007555 91550628 94941392 98592984 101722920 106809066 109547760 114438285 118676740 122067504 123241230 140847120 142412088 152584380 160213599 164321640 178015110 183101256 197185968 203445840 213618132 228876570 237353480 246482460 267022665 284824176 305168760 320427198 328643280 356030220 366202512 427236264 457753140 474706960 492964920 534045330 610337520 640854396 712060440 801067995 854472528 915506280 985929840 1068090660 1281708792 1424120880 1602135990 1831012560 2136181320 2563417584 3204271980 4272362640 6408543960 12817087920
• Sum of all divisors σ(n): 54776494080
• Sum of proper divisors (its aliquot sum) s(n): 41959406160
• 12817087920 is an abundant number, because the sum of its proper divisors (41959406160) is greater than itself. Its abundance is 29142318240

Bases of 12817087920

• Binary: 1011111011111101010011110110110000₂
• Hexadecimal: 0x2FBF53DB0
• Base-36: 5VYYOC0

Squares and roots of 12817087920

• 12817087920 squared (12817087920²) is 164277742749009926400
• 12817087920 cubed (12817087920³) is 2105562272113202719621529088000
• The square root of 12817087920 is 113212.5784531029
• The cube root of 12817087920 is 2340.2546731365

Scales and comparisons

• 12,817,087,920 seconds is equal to 407 years, 28 weeks, 1 day, 22 hours, 12 minutes.
• To count from 1 to 12,817,087,920 would take you about eight hundred fifteen 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 12817087920 cubic inches would be around 195 feet tall.

Recreational maths with 12817087920

• 12817087920 backwards is 02978071821
• 12817087920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12817087920's digits is 45
• More coming soon!