31687968312

Names of 31687968312

• Cardinal: 31687968312 can be written as Thirty-one billion, six hundred eighty-seven million, nine hundred sixty-eight thousand, three hundred twelve.

Scientific notation

• Scientific notation: 3.1687968312 × 10¹⁰

Factors of 31687968312

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 323

Divisors of 31687968312

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 17 18 21 22 24 26 27 28 33 34 36 37 39 42 44 51 52 54 56 63 66 68 72 74 77 78 84 88 91 99 102 104 108 111 117 119 126 132 136 143 148 153 154 156 168 182 187 189 198 204 216 221 222 231 233 234 238 252 259 264 273 286 296 297 306 308 312 333 351 357 364 374 378 396 407 408 429 442 444 459 462 466 468 476 481 504 518 546 561 572 594 612 616 629 663 666 693 699 702 714 728 748 756 777 792 814 819 858 884 888 918 924 932 936 952 962 999 1001 1036 1071 1092 1122 1144 1188 1221 1224 1258 1287 1309 1326 1332 1386 1398 1404 1428 1443 1496 1512 1547 1554 1628 1631 1638 1683 1716 1768 1836 1848 1864 1887 1924 1989 1998 2002 2072 2079 2097 2142 2184 2244 2331 2376 2431 2442 2457 2516 2563 2574 2618 2652 2664 2772 2796 2808 2849 2856 2886 3003 3029 3094 3108 3213 3256 3262 3276 3366 3367 3432 3663 3672 3774 3848 3861 3927 3961 3978 3996 4004 4158 4194 4284 4329 4403 4488 4641 4662 4862 4884 4893 4914 5032 5049 5126 5148 5236 5291 5304 5544 5592 5661 5698 5772 5967 6006 6058 6188 6216 6291 6426 6524 6552 6732 6734 6919 6993 7293 7326 7548 7689 7722 7854 7922 7956 7992 8008 8177 8316 8388 8547 8568 8621 8658 8806 9009 9087 9282 9324 9724 9768 9786 9828 10098 10101 10252 10296 10472 10582 10989 11322 11396 11544 11781 11883 11934 12012 12116 12376 12582 12852 12987 13048 13209 13464 13468 13838 13923 13986 14586 14652 14679 15096 15378 15444 15708 15844 15873 15912 16354 16632 16776 16983 17017 17094 17242 17316 17612 17941 18018 18174 18564 18648 19448 19572 19656 20196 20202 20504 20757 21164 21203 21879 21978 22644 22792 23067 23562 23766 23868 24024 24232 24531 25164 25641 25704 25863 25974 26418 26936 27027 27261 27676 27727 27846 27972 29172 29304 29358 30303 30756 30888 31416 31688 31746 32708 33319 33966 34034 34188 34484 34632 35224 35343 35649 35882 36036 36348 37037 37128 39144 39627 40392 40404 41514 41769 42328 42406 43571 43758 43956 44037 45288 46134 47124 47532 47619 47736 48433 49062 50328 51051 51282 51493 51726 51948 52836 53823 54054 54522 55352 55454 55692 55944 57239 58344 58716 60347 60606 61512 62271 63492 63609 65416 65637 66638 67932 68068 68376 68968 69201 70686 71298 71764 72072 72696 73593 74074 76923 77589 79254 80808 81783 83028 83181 83538 84812 87142 87516 87912 88074 89947 90909 92268 94248 94831 95064 95238 96866 98124 99957 102102 102564 102986 103452 103896 105672 106947 107646 108108 109044 110908 111111 111384 112073 114478 117432 118881 120694 121212 124542 126984 127218 130713 131274 133276 135864 136136 138402 141372 142596 142857 143528 145299 146557 147186 148148 153153 153846 154479 155178 158508 161469 163566 166056 166362 167076 169624 171717 174284 175032 176148 179894 181041 181818 184536 186813 189662 190476 190827 193732 196248 199914 204204 205128 205972 206904 213894 215292 216216 218088 220779 221816 222222 224146 228956 232767 233233 237762 241388 242424 249084 249543 254436 261426 262548 266552 269841 276804 282744 284493 285192 285714 290598 293114 294372 296296 299871 304997 306306 307692 308958 310356 317016 322938 327132 332724 333333 334152 336219 343434 348568 352296 359788 360451 362082 363636 373626 379324 380952 381654 387464 392139 399828 408408 411944 427788 430584 435897 439671 441558 444444 448292 457912 459459 463437 465534 466466 475524 482776 484407 498168 499086 508872 515151 522852 525096 539682 543123 553608 566423 568986 571428 572481 581196 586228 588744 599742 609994 612612 615384 617916 620712 629629 645876 654264 663817 665448 666666 672438 686868 699699 719576 720902 724164 727272 747252 748629 758648 763308 784278 784511 799656 809523 853479 855576 871794 879342 883116 888888 896584 899613 914991 918918 926874 931068 932932 951048 968814 998172 999999 1008657 1025899 1030302 1045704 1079364 1081353 1086246 1132846 1137972 1142856 1144962 1162392 1172456 1176417 1199484 1219988 1225224 1232803 1235832 1259258 1291752 1307691 1319013 1327634 1333332 1344876 1373736 1390311 1399398 1441804 1448328 1494504 1497258 1526616 1545453 1568556 1569022 1612127 1619046 1629369 1699269 1706958 1743588 1758684 1766232 1799226 1829982 1837836 1853748 1862136 1865864 1888887 1905241 1937628 1991451 1996344 1999998 2017314 2051798 2060604 2099097 2158728 2162706 2172492 2265692 2275944 2289924 2352834 2353533 2398968 2428569 2439976 2465606 2518516 2560437 2615382 2638026 2655268 2666664 2689752 2744973 2780622 2798796 2883608 2994516 3025971 3077697 3090906 3137112 3138044 3224254 3238092 3244059 3258738 3398538 3413916 3487176 3517368 3598452 3659964 3675672 3698409 3707496 3777774 3810482 3875256 3957039 3964961 3982902 3999996 4034628 4103596 4121208 4198194 4325412 4344984 4531384 4579848 4705668 4707066 4836381 4857138 4931212 5037032 5097807 5120874 5230764 5276052 5310536 5489946 5561244 5597592 5666661 5715723 5974353 5989032 6051942 6155394 6181812 6276088 6297291 6448508 6476184 6488118 6517476 6797076 6827832 7060599 7196904 7319928 7396818 7555548 7620964 7914078 7929922 7965804 7999992 8069256 8207192 8234919 8396388 8629621 8650824 9233091 9411336 9414132 9672762 9714276 9732177 9862424 10195614 10241748 10461528 10552104 10979892 11095227 11122488 11284889 11333322 11431446 11894883 11948706 12103884 12310788 12363624 12594582 12897016 12976236 13034952 13336687 13594152 14121198 14509143 14793636 15111096 15241928 15293421 15828156 15859844 15931608 16469838 16792776 16999983 17147169 17259242 17923059 18466182 18828264 19345524 19428552 19464354 20391228 20483496 20957651 21181797 21959784 22190454 22569778 22666644 22862892 23789766 23897412 24207768 24621576 25189164 25888863 25952472 26673374 27699273 28242396 29018286 29587272 30586842 31656312 31719688 32939676 33285681 33854667 33999966 34294338 34518484 35684649 35846118 36932364 38691048 38928708 40010061 40782456 41915302 42363594 43527429 44380908 45139556 45333288 45725784 47579532 47794824 50378328 51441507 51777726 53346748 55398546 56484792 58036572 61173684 62872953 65879352 66571362 67709334 67999932 68588676 69036968 71369298 71692236 73864728 77666589 77857416 80020122 83830604 84727188 87054858 88761816 90279112 95159064 101564001 102883014 103555452 106693496 107053947 110797092 116073144 120030183 122347368 125745906 133142724 135418668 135999864 137177352 142738596 143384472 146703557 155333178 160040244 167661208 169454376 174109716 188618859 203128002 205766028 207110904 214107894 221594184 232999767 240060366 251491812 266285448 270837336 285477192 293407114 304692003 310666356 320080488 348219432 360090549 377237718 406256004 411532056 428215788 440110671 465999534 480120732 502983624 565856577 586814228 609384006 621332712 720181098 754475436 812512008 856431576 880221342 931999068 960241464 1131713154 1173628456 1218768012 1320332013 1440362196 1508950872 1760442684 1863998136 2263426308 2437536024 2640664026 2880724392 3520885368 3960996039 4526852616 5281328052 7921992078 10562656104 15843984156 31687968312
• Sum of all divisors σ(n): 129069158400
• Sum of proper divisors (its aliquot sum) s(n): 97381190088
• 31687968312 is an abundant number, because the sum of its proper divisors (97381190088) is greater than itself. Its abundance is 65693221776

Bases of 31687968312

• Binary: 11101100000110000000000011000111000₂
• Hexadecimal: 0x760C00638
• Base-36: EK274U0

Squares and roots of 31687968312

• 31687968312 squared (31687968312²) is 1004127335742316129344
• 31687968312 cubed (31687968312³) is 31818755196215498504139165347328
• The square root of 31687968312 is 178011.1465948131
• The cube root of 31687968312 is 3164.4492256035

Scales and comparisons

• 31,687,968,312 seconds is equal to 1,007 years, 30 weeks, 21 hours, 25 minutes, 12 seconds.
• To count from 1 to 31,687,968,312 would take you about two thousand and 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 31687968312 cubic inches would be around 263.7 feet tall.

Recreational maths with 31687968312

• 31687968312 backwards is 21386978613
• 31687968312 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31687968312's digits is 54
• More coming soon!