12135987864

Names of 12135987864

• Cardinal: 12135987864 can be written as Twelve billion, one hundred thirty-five million, nine hundred eighty-seven thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.2135987864 × 10¹⁰

Factors of 12135987864

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 114

Divisors of 12135987864

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 18 21 22 24 26 27 28 33 36 37 39 41 42 44 52 54 56 63 66 72 74 77 78 82 84 88 91 99 104 108 111 117 123 126 132 143 148 154 156 164 168 182 189 198 216 222 231 234 246 252 259 264 273 286 287 296 297 308 312 328 333 351 364 369 378 396 407 429 444 451 462 468 481 492 504 518 533 546 572 574 594 616 666 693 702 728 738 756 777 792 814 819 858 861 888 902 924 936 962 984 999 1001 1036 1066 1092 1107 1144 1148 1188 1221 1287 1332 1353 1369 1386 1404 1443 1476 1512 1517 1554 1599 1628 1638 1716 1722 1804 1848 1924 1998 2002 2072 2079 2132 2184 2214 2296 2331 2376 2442 2457 2574 2583 2664 2706 2738 2772 2808 2849 2886 2952 3003 3034 3108 3157 3198 3256 3276 3367 3432 3444 3608 3663 3731 3848 3861 3996 4004 4059 4107 4158 4264 4329 4428 4551 4662 4797 4884 4914 5148 5166 5291 5412 5476 5544 5698 5772 5863 6006 6068 6216 6314 6396 6552 6734 6888 6993 7326 7462 7722 7749 7992 8008 8118 8214 8316 8547 8658 8856 9009 9102 9324 9471 9583 9594 9768 9828 10101 10296 10332 10582 10619 10824 10952 10989 11193 11396 11544 11726 12012 12136 12177 12321 12628 12792 12987 13468 13653 13986 14391 14652 14924 15059 15444 15498 15873 16236 16428 16632 16687 17094 17316 17589 17797 18018 18204 18648 18942 19166 19188 19656 19721 20202 20664 21164 21238 21978 22386 22792 23452 24024 24354 24642 25256 25641 25974 26936 27027 27306 27972 28413 28749 28782 29304 29848 30118 30303 30888 30996 31746 31857 32472 32856 33374 33579 34188 34632 35178 35594 36036 36408 36963 37037 37884 38332 38376 39442 40404 40959 41041 42328 42476 43956 44772 45177 46904 47619 48708 49284 50061 51282 51948 52767 53391 54054 54612 55944 56129 56826 57498 57564 59163 60236 60606 61992 63492 63714 66748 67158 68376 70356 71188 72072 73926 74074 75768 76664 76923 78884 80808 81918 82082 84952 85239 86247 87912 89544 90354 90909 95238 95571 97416 98568 100122 100737 102564 103896 105413 105534 106782 108108 109224 111111 112258 113652 114996 115128 116809 118326 120472 121212 123123 124579 126984 127428 133496 134316 135531 138047 140712 142376 142857 147852 148148 150183 153846 157768 158301 160173 163836 164164 168387 170478 172494 177489 180708 181818 190476 191142 195767 200244 201474 205128 210826 211068 213564 216216 216931 222222 224516 227304 229992 233618 236652 242424 246246 249158 254856 258741 268632 271062 276094 285714 286713 295704 296296 300366 307692 316239 316602 320346 327672 328328 333333 336774 340956 344988 350427 354978 361416 363636 369369 373737 380952 382284 391534 392903 400488 402948 406593 414141 421652 422136 427128 433862 444444 449032 450549 467236 473304 480519 492492 498316 505161 517482 532467 542124 552188 571428 573426 587301 600732 615384 617419 632478 633204 640692 650793 666666 673548 681912 689976 700854 709956 727272 729677 738738 747474 764568 783068 785806 805896 813186 828282 843304 867724 888888 901098 934472 948717 961038 984984 996632 999999 1010322 1034964 1051281 1064934 1084248 1104376 1108107 1121211 1142856 1146852 1174602 1178709 1201464 1234838 1242423 1264956 1266408 1281384 1301586 1333332 1347096 1370369 1401708 1419912 1459354 1477476 1494948 1515483 1518517 1566136 1571612 1626372 1656564 1735448 1761903 1802196 1852257 1897434 1922076 1952379 1999998 2020644 2069928 2102562 2129868 2189031 2216214 2242422 2293704 2349204 2357418 2469676 2484846 2529912 2603172 2666664 2740738 2803416 2846151 2918708 2954952 2989896 3030966 3037034 3143224 3153843 3252744 3313128 3363633 3523806 3536127 3604392 3704514 3727269 3794868 3844152 3904758 3999996 4041288 4111107 4205124 4259736 4321933 4378062 4432428 4484844 4555551 4698408 4714836 4939352 4969692 5107739 5206344 5285709 5481476 5556771 5692302 5837416 5857137 6061932 6074068 6307686 6567093 6727266 7047612 7072254 7409028 7454538 7589736 7809516 7999992 8026447 8222214 8410248 8643866 8756124 8864856 8969688 9111102 9429672 9939384 10215478 10571418 10608381 10962952 11113542 11384604 11714274 12123864 12148136 12333321 12615372 12965799 13134186 13454532 13666653 14095224 14144508 14818056 14909076 15323217 15619032 16052894 16444428 16670313 17287732 17512248 18222204 19701279 20430956 21142836 21216762 22227084 22769208 23428548 24079341 24666642 25230744 25931598 26268372 26909064 27333306 28289016 29818152 30646434 32105788 32888856 33340626 34575464 36444408 36999963 38897397 39402558 40861912 40999959 42285672 42433524 44454168 45969651 46857096 48158682 49333284 51863196 52536744 54666612 56185129 61292868 64211576 66681252 72238023 73999926 77794794 78805116 81999918 84867048 91939302 96317364 98666568 103726392 109333224 112370258 116692191 122585736 133362504 137908953 144476046 147999852 155589588 157610232 163999836 168555387 183878604 192634728 216714069 224740516 233384382 275817906 288952092 295999704 311179176 327999672 337110774 367757208 433428138 449481032 466768764 505666161 551635812 577904184 674221548 866856276 933537528 1011332322 1103271624 1348443096 1516998483 1733712552 2022664644 3033996966 4045329288 6067993932 12135987864
• Sum of all divisors σ(n): 47653401600
• Sum of proper divisors (its aliquot sum) s(n): 35517413736
• 12135987864 is an abundant number, because the sum of its proper divisors (35517413736) is greater than itself. Its abundance is 23381425872

Bases of 12135987864

• Binary: 1011010011010111000111101010011000₂
• Hexadecimal: 0x2D35C7A98
• Base-36: 5KPGC60

Squares and roots of 12135987864

• 12135987864 squared (12135987864²) is 147282201435155282496
• 12135987864 cubed (12135987864³) is 1787415009200247891326947628544
• The square root of 12135987864 is 110163.4597495921
• The cube root of 12135987864 is 2298.0442015099

Scales and comparisons

• 12,135,987,864 seconds is equal to 385 years, 46 weeks, 19 hours, 44 minutes, 24 seconds.
• To count from 1 to 12,135,987,864 would take you about seven hundred seventy-one 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 12135987864 cubic inches would be around 191.5 feet tall.

Recreational maths with 12135987864

• 12135987864 backwards is 46878953121
• 12135987864 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12135987864's digits is 54
• More coming soon!