31498987968

Names of 31498987968

• Cardinal: 31498987968 can be written as Thirty-one billion, four hundred ninety-eight million, nine hundred eighty-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1498987968 × 10¹⁰

Factors of 31498987968

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 214

Divisors of 31498987968

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 23 24 27 28 32 36 38 42 46 48 54 56 57 59 63 64 69 72 76 84 92 96 101 108 112 114 118 126 133 138 144 152 161 168 171 177 184 189 192 202 207 216 224 228 236 252 266 276 288 303 304 322 336 342 354 368 378 399 404 413 414 432 437 448 456 472 483 504 513 531 532 552 576 606 608 621 644 672 684 707 708 736 756 798 808 826 828 864 874 909 912 944 966 1008 1026 1062 1064 1104 1121 1197 1212 1216 1239 1242 1288 1311 1344 1357 1368 1414 1416 1449 1472 1512 1593 1596 1616 1652 1656 1728 1748 1818 1824 1888 1919 1932 2016 2052 2121 2124 2128 2208 2242 2323 2394 2424 2478 2484 2576 2622 2714 2727 2736 2828 2832 2898 3024 3059 3186 3192 3232 3304 3312 3363 3496 3591 3636 3648 3717 3776 3838 3864 3933 4032 4071 4104 4242 4248 4256 4347 4416 4484 4646 4788 4848 4956 4968 5152 5244 5428 5454 5472 5656 5664 5757 5796 5959 6048 6118 6363 6372 6384 6464 6608 6624 6726 6969 6992 7182 7272 7434 7676 7728 7847 7866 8142 8208 8484 8496 8512 8694 8968 9177 9292 9499 9576 9696 9912 9936 10089 10304 10488 10856 10908 10944 11151 11312 11328 11514 11592 11799 11918 12096 12213 12236 12726 12744 12768 13216 13248 13433 13452 13938 13984 14364 14544 14868 15352 15456 15694 15732 16261 16284 16416 16968 16992 17271 17388 17877 17936 18354 18584 18998 19089 19152 19392 19824 19872 20178 20907 20976 21712 21816 22302 22624 23028 23184 23541 23598 23836 24426 24472 25452 25488 25536 25783 26432 26866 26904 27531 27876 27968 28497 28728 29088 29736 30267 30704 30912 31388 31464 32522 32568 32832 33936 33984 34542 34776 35754 35872 36639 36708 37168 37996 38178 38304 39648 39744 40299 40356 41713 41814 41952 43424 43632 44137 44604 45248 46056 46368 47082 47196 47672 48783 48852 48944 50904 50976 51566 51813 53631 53732 53808 55062 55752 56994 57456 58176 59472 60534 61408 62721 62776 62928 65044 65136 67872 69084 69552 70623 71508 71744 73278 73416 74336 75992 76356 76608 77349 79296 80598 80712 82593 83426 83628 83904 85491 86848 87264 88274 89208 92112 92736 94164 94392 95344 97566 97704 97888 101808 101952 103132 103626 107262 107464 107616 110124 111504 113221 113988 114912 118944 120897 121068 122816 125139 125442 125552 125856 130088 130272 132411 135744 137057 138168 139104 141246 143016 146349 146556 146832 148672 151984 152712 154698 160893 161196 161424 165186 166852 167256 170982 174528 176548 178416 180481 184224 188328 188784 190688 195132 195408 195776 203616 206264 207252 211869 214524 214928 215232 220248 223008 226442 227976 229824 232047 237888 241794 242136 250278 250884 251104 251712 256473 260176 260544 264822 274114 276336 278208 282492 286032 292698 293112 293664 303968 305424 308959 309396 321786 322392 322848 330372 333704 334512 339663 341964 353096 356832 360962 362691 368448 375417 376656 377568 381376 390264 390816 397233 407232 411171 412528 414504 423738 429048 429856 439047 440496 446016 452884 455952 464094 483588 484272 500556 501768 502208 512946 520352 529644 541443 548228 552672 564984 572064 585396 586224 587328 607936 610848 617918 618792 643572 644784 645696 660744 667408 669024 679326 683928 696141 706192 713664 721924 725382 750834 753312 755136 780528 781632 792547 794466 822342 825056 829008 847476 858096 859712 878094 880992 905768 911904 926877 928188 959399 967176 968544 1001112 1003536 1018989 1025892 1040704 1059288 1082886 1096456 1105344 1126251 1129968 1144128 1170792 1172448 1191699 1221696 1233513 1235836 1237584 1287144 1289568 1321488 1334816 1338048 1358652 1367856 1392282 1412384 1443848 1450764 1501668 1506624 1561056 1585094 1588932 1624329 1644684 1650112 1658016 1694952 1716192 1756188 1761984 1811536 1823808 1853754 1856376 1918798 1934352 1937088 2002224 2007072 2037978 2051784 2118576 2165772 2192912 2252502 2259936 2341584 2344896 2377641 2383398 2467026 2471672 2475168 2574288 2579136 2604083 2642976 2669632 2717304 2735712 2780631 2784564 2824768 2878197 2887696 2901528 3003336 3056967 3122112 3170188 3177864 3248658 3289368 3316032 3389904 3432384 3512376 3623072 3700539 3707508 3712752 3837596 3868704 4004448 4014144 4075956 4103568 4237152 4331544 4385824 4505004 4519872 4683168 4755282 4766796 4872987 4934052 4943344 4950336 5148576 5208166 5285952 5434608 5471424 5561262 5569128 5756394 5775392 5803056 6006672 6113934 6340376 6355728 6497316 6578736 6779808 7024752 7132923 7246144 7401078 7415016 7425504 7675192 7737408 7812249 8008896 8151912 8207136 8341893 8474304 8634591 8663088 8771648 9010008 9366336 9510564 9533592 9745974 9868104 9886688 10297152 10416332 10869216 11122524 11138256 11512788 11550784 11606112 12013344 12227868 12680752 12711456 12994632 13157472 13559616 14049504 14265846 14802156 14830032 14851008 15350384 15624498 16303824 16414272 16683786 17269182 17326176 18020016 18228581 19021128 19067184 19491948 19736208 19773376 20832664 21398769 21738432 22245048 22276512 23025576 23212224 23436747 24026688 24455736 25361504 25422912 25903773 25989264 26314944 28099008 28531692 29604312 29660064 30700768 31248996 32607648 33367572 34538364 34652352 36040032 36457162 38042256 38134368 38983896 39472416 41665328 42797538 44490096 44553024 46051152 46873494 48911472 50723008 51807546 51978528 54685743 57063384 59208624 59320128 61401536 62497992 65215296 66735144 69076728 70310241 72080064 72914324 76084512 76268736 77967792 78944832 83330656 85595076 88980192 92102304 93746988 97822944 103615092 103957056 109371486 114126768 118417248 124995984 133470288 138153456 140620482 145828648 152169024 155935584 164057229 166661312 171190152 177960384 184204608 187493976 195645888 207230184 218742972 228253536 236834496 249991968 266940576 276306912 281240964 291657296 311871168 328114458 342380304 374987952 414460368 437485944 456507072 492171687 499983936 533881152 552613824 562481928 583314592 656228916 684760608 749975904 828920736 874971888 984343374 1124963856 1166629184 1312457832 1369521216 1499951808 1657841472 1749943776 1968686748 2249927712 2624915664 3499887552 3937373496 4499855424 5249831328 7874746992 10499662656 15749493984 31498987968
• Sum of all divisors σ(n): 119384064000
• Sum of proper divisors (its aliquot sum) s(n): 87885076032
• 31498987968 is an abundant number, because the sum of its proper divisors (87885076032) is greater than itself. Its abundance is 56386088064

Bases of 31498987968

• Binary: 11101010101011111000110100111000000₂
• Hexadecimal: 0x7557C69C0
• Base-36: EGXOMO0

Squares and roots of 31498987968

• 31498987968 squared (31498987968²) is 992186243008208769024
• 31498987968 cubed (31498987968³) is 31252862530530692140719067103232
• The square root of 31498987968 is 177479.5423929193
• The cube root of 31498987968 is 3158.1459764657

Scales and comparisons

• 31,498,987,968 seconds is equal to 1,001 years, 29 weeks, 4 days, 14 hours, 52 minutes, 48 seconds.
• To count from 1 to 31,498,987,968 would take you about two thousand and three 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 31498987968 cubic inches would be around 263.2 feet tall.

Recreational maths with 31498987968

• 31498987968 backwards is 86978989413
• 31498987968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31498987968's digits is 72
• More coming soon!