20168396640

Names of 20168396640

• Cardinal: 20168396640 can be written as Twenty billion, one hundred sixty-eight million, three hundred ninety-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.016839664 × 10¹⁰

Factors of 20168396640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 189

Divisors of 20168396640

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 28 30 31 32 35 36 38 40 42 43 45 48 56 57 60 62 63 70 72 76 79 80 84 86 90 93 95 96 105 112 114 120 124 126 129 133 140 144 152 155 158 160 168 171 172 180 186 190 210 215 217 224 228 237 240 248 252 258 266 279 280 285 288 301 304 310 315 316 336 342 344 360 372 380 387 395 399 420 430 434 456 465 474 480 496 504 516 532 553 558 560 570 589 602 608 620 630 632 645 651 665 672 684 688 711 720 744 760 774 790 798 817 840 855 860 868 903 912 930 948 992 1008 1032 1064 1085 1106 1116 1120 1140 1178 1185 1197 1204 1240 1260 1264 1290 1302 1330 1333 1368 1376 1395 1422 1440 1488 1501 1505 1520 1548 1580 1596 1634 1659 1680 1710 1720 1736 1767 1806 1824 1860 1896 1935 1953 1995 2016 2064 2128 2170 2212 2232 2280 2356 2370 2394 2408 2449 2451 2480 2520 2528 2580 2604 2660 2666 2709 2736 2765 2790 2844 2945 2976 3002 3010 3040 3096 3160 3192 3255 3268 3318 3360 3397 3420 3440 3472 3534 3555 3612 3720 3792 3870 3906 3990 3999 4085 4123 4128 4256 4340 4424 4464 4503 4515 4560 4712 4740 4788 4816 4898 4902 4960 4977 5040 5160 5208 5301 5320 5332 5418 5472 5530 5580 5688 5719 5890 5985 6004 6020 6192 6320 6384 6510 6536 6636 6665 6794 6840 6880 6944 7068 7110 7224 7347 7353 7440 7505 7584 7740 7812 7980 7998 8170 8246 8295 8680 8835 8848 8928 9006 9030 9120 9331 9424 9480 9576 9632 9765 9796 9804 9954 10080 10191 10320 10416 10507 10602 10640 10664 10836 11060 11160 11376 11438 11780 11970 11997 12008 12040 12245 12255 12369 12384 12640 12768 13020 13072 13272 13330 13509 13545 13588 13680 14136 14220 14448 14694 14706 14880 15010 15480 15624 15960 15996 16340 16492 16590 16985 17143 17157 17360 17670 17696 18012 18060 18662 18848 18960 19152 19530 19592 19608 19908 19995 20382 20615 20640 20832 21014 21204 21280 21328 21672 22041 22120 22320 22515 22752 22876 23560 23779 23940 23994 24016 24080 24490 24510 24738 24885 25327 26040 26144 26505 26544 26660 27018 27090 27176 27360 27993 28272 28440 28595 28896 29388 29412 30020 30573 30960 31248 31521 31920 31992 32680 32984 33180 33970 34286 34314 34720 35340 36024 36120 36735 36765 37107 37324 37920 38304 39060 39184 39216 39816 39990 40764 41230 42028 42408 42656 43344 44082 44240 44640 45030 45752 46531 46655 47120 47558 47880 47988 48032 48160 48980 49020 49476 49770 50654 50955 51429 51471 52080 52535 53010 53088 53320 54036 54180 54352 55986 56544 56880 57190 58776 58824 59985 60040 61146 61845 61920 62496 63042 63840 63984 64543 65360 65968 66360 67545 67940 68572 68628 70680 71337 72048 72240 73470 73530 74214 74648 75981 78120 78368 78432 79632 79980 81528 82460 83979 84056 84816 85715 85785 86688 88164 88480 90060 91504 93062 93310 94240 94563 95116 95760 95976 97960 98040 98952 99540 101308 101910 102858 102942 104160 105070 105307 106020 106640 108072 108360 108704 110205 111972 113760 114380 117552 117648 118895 119970 120080 122292 123690 126084 126635 127968 129086 130720 131936 132720 135090 135880 137144 137256 139593 139965 141360 142674 144096 144480 146940 147060 148428 149296 151962 152865 154287 156240 157605 159264 159960 163056 164920 167958 168112 169632 171430 171570 176328 177289 180120 183008 185535 186124 186620 189126 190232 191520 191952 193629 195920 196080 197904 199080 202616 203820 205716 205884 210140 210614 212040 213280 214011 216144 216720 220410 223944 227943 228760 232655 235104 235296 237790 239940 240160 244584 247380 252168 253270 257145 257355 258172 265440 270180 271760 274288 274512 279186 279930 282720 285348 293880 294120 296856 298592 303924 305730 308574 312480 315210 315921 319920 322715 325717 326112 329840 335916 336224 342860 343140 352656 354578 356685 360240 371070 372248 373240 378252 379905 380464 383904 387258 391840 392160 395808 398160 405232 407640 411432 411768 418779 419895 420280 421228 424080 428022 432288 433440 440820 447888 451801 455886 457520 465310 472815 475580 479880 489168 494760 504336 506540 514290 514710 516344 526535 531867 540360 543520 548576 549024 558372 559860 570696 580887 587760 588240 593712 607848 611460 617148 630420 631842 639840 645430 651434 659680 671832 685720 686280 697965 705312 709156 713370 720480 737149 742140 744496 746480 756504 759810 760928 771435 774516 796320 810464 815280 822864 823536 837558 839790 840560 842456 848160 856044 881640 886445 895776 903602 911772 915040 930620 945630 947763 951160 959760 968145 977151 978336 989520 1008672 1013080 1028580 1029420 1032688 1053070 1063734 1070055 1080720 1116744 1119720 1139715 1141392 1161774 1175520 1176480 1187424 1215696 1222920 1234296 1260840 1263684 1290860 1302868 1343664 1355403 1371440 1372560 1395930 1418312 1426740 1474298 1484280 1488992 1492960 1513008 1519620 1542870 1549032 1579605 1595601 1628585 1630560 1645728 1647072 1675116 1679580 1681120 1684912 1712088 1763280 1772890 1807204 1823544 1861240 1891260 1895526 1902320 1919520 1936290 1954302 1979040 2000833 2026160 2057160 2058840 2065376 2093895 2106140 2127468 2140110 2161440 2211447 2233488 2239440 2259005 2279430 2282784 2323548 2431392 2445840 2468592 2521680 2527368 2581720 2605736 2659335 2687328 2710806 2742880 2745120 2791860 2836624 2853480 2904435 2931453 2948596 2968560 3026016 3039240 3085740 3098064 3159210 3191202 3257170 3350232 3359160 3369824 3424176 3526560 3545780 3614408 3647088 3685745 3722480 3782520 3791052 3804640 3872580 3908604 4001666 4052320 4066209 4114320 4117680 4187790 4212280 4254936 4280220 4422894 4466976 4478880 4518010 4558860 4647096 4738815 4885755 4891680 4937184 5043360 5054736 5163440 5211472 5318670 5421612 5583720 5673248 5706960 5808870 5862906 5897192 5937120 6002499 6078480 6171480 6196128 6318420 6382404 6514340 6634341 6700464 6718320 6777015 6848352 7091560 7228816 7294176 7371490 7444960 7565040 7582104 7745160 7817208 7978005 8003332 8132418 8228640 8235360 8375580 8424560 8509872 8560440 8845788 9036020 9117720 9294192 9477630 9771510 10004165 10109472 10326880 10422944 10637340 10843224 11057235 11167440 11413920 11617740 11725812 11794384 12004998 12156960 12342960 12636840 12764808 13028680 13268682 13400928 13436640 13554030 14005831 14183120 14457632 14657265 14742980 15130080 15164208 15490320 15634416 15956010 16006664 16264836 16751160 16849120 17019744 17120880 17691576 18007497 18072040 18235440 18588384 18955260 19543020 20008330 20331045 21274680 21686448 22114470 22334880 23235480 23451624 23588768 24009996 24685920 25273680 25529616 26057360 26537364 27108060 28011662 28366240 29314530 29485960 30012495 30328416 30980640 31268832 31912020 32013328 32529672 33171705 33502320 34241760 35383152 36014994 36144080 36470880 37910520 39086040 40016660 40662090 42017493 42549360 43372896 44228940 46470960 46903248 48019992 50547360 51059232 52114720 53074728 54216120 56023324 58629060 58971920 60024990 63824040 64026656 65059344 66343410 67004640 70029155 70766304 72029988 72288160 75821040 78172080 80033320 81324180 84034986 85098720 88457880 90037485 92941920 93806496 96039984 106149456 108432240 112046648 117258120 117943840 120049980 126052479 127648080 130118688 132686820 140058310 144059976 151642080 156344160 160066640 162648360 168069972 176915760 180074970 192079968 210087465 212298912 216864480 224093296 234516240 240099960 252104958 255296160 265373640 280116620 288119952 320133280 325296720 336139944 353831520 360149940 420174930 448186592 469032480 480199920 504209916 530747280 560233240 576239904 630262395 650593440 672279888 720299880 840349860 960399840 1008419832 1061494560 1120466480 1260524790 1344559776 1440599760 1680699720 2016839664 2240932960 2521049580 2881199520 3361399440 4033679328 5042099160 6722798880 10084198320 20168396640
• Sum of all divisors σ(n): 88562073600
• Sum of proper divisors (its aliquot sum) s(n): 68393676960
• 20168396640 is an abundant number, because the sum of its proper divisors (68393676960) is greater than itself. Its abundance is 48225280320

Bases of 20168396640

• Binary: 10010110010001000010100111101100000₂
• Hexadecimal: 0x4B2214F60
• Base-36: 99JQQG0

Squares and roots of 20168396640

• 20168396640 squared (20168396640²) is 406764223028363289600
• 20168396640 cubed (20168396640³) is 8203782188997452794667986944000
• The square root of 20168396640 is 142015.4802829607
• The cube root of 20168396640 is 2722.0146478501

Scales and comparisons

• 20,168,396,640 seconds is equal to 641 years, 15 weeks, 1 day, 12 hours, 24 minutes.
• To count from 1 to 20,168,396,640 would take you about one thousand, two hundred eighty-two 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 20168396640 cubic inches would be around 226.8 feet tall.

Recreational maths with 20168396640

• 20168396640 backwards is 04669386102
• 20168396640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20168396640's digits is 45
• More coming soon!