31123916928

Names of 31123916928

• Cardinal: 31123916928 can be written as Thirty-one billion, one hundred twenty-three million, nine hundred sixteen thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1123916928 × 10¹⁰

Factors of 31123916928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 134

Divisors of 31123916928

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 37 39 48 52 54 64 72 74 78 79 81 96 104 108 111 117 128 144 148 156 158 162 192 208 216 222 234 237 288 296 312 316 324 333 351 384 416 432 444 468 474 481 576 592 624 632 648 666 702 711 832 864 888 936 948 962 999 1027 1053 1152 1184 1248 1264 1296 1332 1404 1422 1443 1664 1728 1776 1872 1896 1924 1998 2054 2106 2133 2368 2496 2528 2592 2664 2808 2844 2886 2923 2997 3081 3456 3552 3744 3792 3848 3996 4108 4212 4266 4329 4736 4992 5056 5184 5328 5616 5688 5772 5846 5994 6162 6241 6399 7104 7488 7584 7696 7992 8216 8424 8532 8658 8769 9243 10112 10368 10656 11232 11376 11544 11692 11988 12324 12482 12798 12987 14208 14976 15168 15392 15984 16432 16848 17064 17316 17538 18486 18723 21312 22464 22752 23088 23384 23976 24648 24964 25596 25974 26307 27729 30336 30784 31968 32864 33696 34128 34632 35076 36972 37446 37999 38961 42624 44928 45504 46176 46768 47952 49296 49928 51192 51948 52614 55458 56169 61568 63936 65728 67392 68256 69264 70152 73944 74892 75998 77922 78921 81133 83187 91008 92352 93536 95904 98592 99856 102384 103896 105228 110916 112338 113997 127872 131456 134784 136512 138528 140304 147888 149784 151996 155844 157842 162266 166374 168507 184704 187072 191808 197184 199712 204768 207792 210456 221832 224676 227994 230917 236763 243399 273024 277056 280608 295776 299568 303992 311688 315684 324532 332748 337014 341991 374144 383616 394368 399424 409536 415584 420912 443664 449352 455988 461834 473526 486798 505521 554112 561216 591552 599136 607984 623376 631368 649064 665496 674028 683982 692751 730197 798848 819072 831168 841824 887328 898704 911976 923668 947052 973596 1011042 1025973 1122432 1183104 1198272 1215968 1246752 1262736 1298128 1330992 1348056 1367964 1385502 1460394 1662336 1683648 1774656 1797408 1823952 1847336 1894104 1947192 2022084 2051946 2078253 2190591 2396544 2431936 2493504 2525472 2596256 2661984 2696112 2735928 2771004 2920788 3001921 3077919 3367296 3549312 3594816 3647904 3694672 3788208 3894384 4044168 4103892 4156506 4381182 4863872 4987008 5050944 5192512 5323968 5392224 5471856 5542008 5841576 6003842 6155838 6234759 6571773 7189632 7295808 7389344 7576416 7788768 8088336 8207784 8313012 8762364 9005763 10101888 10385024 10647936 10784448 10943712 11084016 11683152 12007684 12311676 12469518 13143546 14591616 14778688 15152832 15577536 16176672 16415568 16626024 17524728 18011526 18704277 21568896 21887424 22168032 23366304 24015368 24623352 24939036 26287092 27017289 29557376 30305664 31155072 32353344 32831136 33252048 35049456 36023052 37408554 43774848 44336064 46732608 48030736 49246704 49878072 52574184 54034578 64706688 65662272 66504096 70098912 72046104 74817108 81051867 88672128 93465216 96061472 98493408 99756144 105148368 108069156 131324544 133008192 140197824 144092208 149634216 162103734 192122944 196986816 199512288 210296736 216138312 243155601 266016384 280395648 288184416 299268432 324207468 384245888 393973632 399024576 420593472 432276624 486311202 576368832 598536864 648414936 798049152 841186944 864553248 972622404 1152737664 1197073728 1296829872 1729106496 1945244808 2394147456 2593659744 3458212992 3890489616 5187319488 7780979232 10374638976 15561958464 31123916928
• Sum of all divisors σ(n): 103758330060
• Sum of proper divisors (its aliquot sum) s(n): 72634413132
• 31123916928 is an abundant number, because the sum of its proper divisors (72634413132) is greater than itself. Its abundance is 41510496204

Bases of 31123916928

• Binary: 11100111111001000010100100010000000₂
• Hexadecimal: 0x73F214880
• Base-36: EAQDK00

Squares and roots of 31123916928

• 31123916928 squared (31123916928²) is 968698204941044957184
• 31123916928 cubed (31123916928³) is 30149682458887802384908132810752
• The square root of 31123916928 is 176419.7180816249
• The cube root of 31123916928 is 3145.5607890541

Scales and comparisons

• 31,123,916,928 seconds is equal to 989 years, 33 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 31,123,916,928 would take you about one thousand, nine hundred seventy-nine 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 31123916928 cubic inches would be around 262.1 feet tall.

Recreational maths with 31123916928

• 31123916928 backwards is 82961932113
• The number of decimal digits it has is: 11
• The sum of 31123916928's digits is 45
• More coming soon!