640678309517376

Names of 640678309517376

• Cardinal: 640678309517376 can be written as Six hundred forty trillion, six hundred seventy-eight billion, three hundred nine million, five hundred seventeen thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 6.40678309517376 × 10¹⁴

Factors of 640678309517376

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2666

Divisors of 640678309517376

• Number of divisors d(n): 567
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 64 72 78 93 96 104 117 124 144 156 169 186 192 208 234 248 279 288 312 338 372 403 416 468 496 507 558 576 624 676 744 806 832 936 961 992 1014 1116 1209 1248 1352 1488 1521 1612 1872 1922 1984 2028 2232 2418 2496 2617 2704 2883 2976 3042 3224 3627 3744 3844 4056 4464 4836 5234 5239 5408 5766 5952 6084 6448 7254 7488 7688 7851 8112 8649 8928 9672 10468 10478 10816 11532 12168 12493 12896 14508 15376 15702 15717 16224 17298 17856 19344 20936 20956 23064 23553 24336 24986 25792 29016 30752 31404 31434 32448 34021 34596 37479 38688 41872 41912 46128 47106 47151 48672 49972 58032 61504 62808 62868 68042 69192 74958 77376 81127 83744 83824 92256 94212 94302 97344 99944 102063 112437 116064 125616 125736 136084 138384 149916 162254 162409 167488 167648 184512 188424 188604 199888 204126 224874 232128 243381 251232 251472 272168 276768 299832 306189 324508 324818 335296 376848 377208 399776 408252 442273 449748 486762 487227 502464 502944 544336 553536 599664 612378 649016 649636 730143 753696 754416 799552 816504 884546 899496 973524 974454 1005888 1054651 1088672 1199328 1224756 1298032 1299272 1326819 1460286 1461681 1507392 1508832 1633008 1769092 1798992 1947048 1948908 2109302 2177344 2398656 2449512 2514937 2596064 2598544 2653638 2920572 2923362 3017664 3163953 3266016 3538184 3597984 3894096 3897816 3980457 4218604 4899024 5029874 5192128 5197088 5307276 5841144 5846724 6327906 6532032 6848689 7076368 7195968 7544811 7788192 7795632 7960914 8437208 9491859 9798048 10059748 10394176 10614552 11682288 11693448 12655812 13697378 13710463 14152736 15089622 15576384 15591264 15921828 16874416 18983718 19596096 20119496 20546067 21229104 22634433 23364576 23386896 25311624 27394756 27420926 28305472 30179244 31182528 31843656 32694181 33748832 37967436 40238992 41092134 41131389 42458208 45268866 46729152 46773792 50623248 54789512 54841852 60358488 61638201 63687312 65388362 67497664 75934872 80477984 82184268 82262778 84916416 89032957 90537732 93547584 98082543 101246496 109579024 109683704 120716976 123276402 123394167 127374624 130776724 151869744 160955968 164368536 164525556 178065914 181075464 196165086 202492992 212309359 219158048 219367408 241433952 246552804 246788334 254749248 261553448 267098871 294247629 303739488 328737072 329051112 356131828 362150928 392330172 424618718 425024353 438316096 438734816 482867904 493105608 493576668 523106896 534197742 588495258 607478976 636928077 657474144 658102224 712263656 724301856 784660344 801296613 849237436 850048706 877469632 986211216 987153336 1046213792 1068395484 1157428441 1176990516 1273856154 1275073059 1314948288 1316204448 1424527312 1448603712 1569320688 1602593226 1698474872 1700097412 1910784231 1972422432 1974306672 2092427584 2136790968 2314856882 2353981032 2547712308 2550146118 2632408896 2760021667 2849054624 3138641376 3205186452 3396949744 3400194824 3472285323 3821568462 3825219177 3944844864 3948613344 4273581936 4629713764 4707962064 5095424616 5100292236 5520043334 5698109248 6277282752 6410372904 6581590129 6793899488 6800389648 6944570646 7643136924 7650438354 7897226688 8280065001 8547163872 9259427528 9415924128 10190849232 10200584472 10416855969 11040086668 12820745808 13163180258 13587798976 13600779296 13889141292 15286273848 15300876708 16560130002 17094327744 18518855056 18831848256 19744770387 20381698464 20401168944 20833711938 22080173336 24840195003 25641491616 26326360516 27201558592 27778282584 30572547696 30601753416 33120260004 35880281671 37037710112 39489540774 40763396928 40802337888 41667423876 44160346672 49680390006 51282983232 52652721032 55556565168 59234311161 61145095392 61203506832 66240520008 71760563342 74075420224 78979081548 81604675776 83334847752 85560671677 88320693344 99360780012 105305442064 107640845013 111113130336 118468622322 122290190784 122407013664 132481040016 143521126684 157958163096 166669695504 171121343354 176641386688 198721560024 210610884128 215281690026 222226260672 236937244644 244814027328 256682015031 264962080032 287042253368 315916326192 322922535039 333339391008 342242686708 397443120048 421221768256 430563380052 473874489288 513364030062 529924160064 574084506736 631832652384 645845070078 666678782016 684485373416 770046045093 794886240096 861126760104 947748978576 1026728060124 1112288731801 1148169013472 1263665304768 1291690140156 1368970746832 1540092090186 1589772480192 1722253520208 1895497957152 2053456120248 2224577463602 2296338026944 2583380280312 2737941493664 3080184180372 3336866195403 3444507040416 3790995914304 4106912240496 4449154927204 5166760560624 5475882987328 6160368360744 6673732390806 6889014080832 8213824480992 8898309854408 10010598586209 10333521121248 12320736721488 13347464781612 16427648961984 17796619708816 20021197172418 20667042242496 24641473442976 26694929563224 35593239417632 40042394344836 49282946885952 53389859126448 71186478835264 80084788689672 106779718252896 160169577379344 213559436505792 320339154758688 640678309517376
• Sum of all divisors σ(n): 2055515896266183
• Sum of proper divisors (its aliquot sum) s(n): 1414837586748807
• 640678309517376 is an abundant number, because the sum of its proper divisors (1414837586748807) is greater than itself. Its abundance is 774159277231431

Bases of 640678309517376

• Binary: 10010001101011000110001011000011011101100001000000₂
• Hexadecimal: 0x246B18B0DD840
• Base-36: 6B3NJVNV40

Squares and roots of 640678309517376

• 640678309517376 squared (640678309517376²) is 410468696286042642862045925376
• 640678309517376 cubed (640678309517376³) is 262978390446343032940434102143629741871333376
• 640678309517376 is a perfect square number. Its square root is 25311624
• The cube root of 640678309517376 is 86207.8221340975

Scales and comparisons

• 640,678,309,517,376 seconds is equal to 20,371,588 years, 25 weeks, 5 days, 9 minutes, 36 seconds.
• To count from 1 to 640,678,309,517,376 would take you about fifty million, nine hundred twenty-eight thousand, nine 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 640678309517376 cubic inches would be around 7184 feet tall.

Recreational maths with 640678309517376

• 640678309517376 backwards is 673715903876046
• 640678309517376 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 640678309517376's digits is 72
• More coming soon!