640731863481024

Names of 640731863481024

• Cardinal: 640731863481024 can be written as Six hundred forty trillion, seven hundred thirty-one billion, eight hundred sixty-three million, four hundred eighty-one thousand and twenty-four.

Scientific notation

• Scientific notation: 6.40731863481024 × 10¹⁴

Factors of 640731863481024

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 65970

Divisors of 640731863481024

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 107 112 114 133 152 168 192 214 224 228 266 304 321 336 399 428 448 456 532 608 642 672 749 798 856 912 1064 1216 1284 1344 1498 1596 1712 1824 2033 2128 2247 2568 2996 3192 3424 3648 3779 4066 4256 4494 5136 5992 6099 6384 6848 7558 8132 8512 8988 10272 11337 11984 12198 12768 14231 15116 16264 17976 20544 22674 23968 24396 25536 26453 28462 30232 32528 35952 42693 45348 47936 48792 52906 56924 60464 62053 65056 71801 71904 79359 85386 90696 97584 105812 113848 120928 124106 130112 143602 143808 158718 170772 181392 186159 195168 211624 215403 227696 241856 248212 287204 317436 341544 362784 372318 390336 404353 423248 430806 434371 455392 496424 502607 574408 634872 683088 725568 744636 808706 846496 861612 868742 910784 992848 1005214 1148816 1179007 1213059 1269744 1303113 1366176 1489272 1507821 1617412 1692992 1723224 1737484 1985696 2010428 2297632 2358014 2426118 2539488 2606226 2732352 2830471 2978544 3015642 3234824 3446448 3474968 3537021 3971392 4020856 4595264 4716028 4852236 5078976 5212452 5660942 5957088 6031284 6469648 6639671 6892896 6949936 7074042 7682707 8041712 8253049 8491413 9432056 9704472 10424904 11321884 11914176 12062568 12939296 13279342 13785792 13899872 14148084 15365414 16083424 16506098 16982826 18864112 19408944 19919013 20849808 22643768 23048121 24125136 24759147 25878592 26558684 27799744 28296168 30730828 32166848 33012196 33965652 37728224 38817888 39838026 41699616 45287536 46096242 46477697 48250272 49518294 53117368 53778949 56592336 61461656 66024392 67931304 75456448 77635776 79676052 83399232 90575072 92192484 92955394 96500544 99036588 106234736 107557898 113184672 122923312 126153749 132048784 135862608 139433091 159352104 161336847 181150144 184384968 185910788 198073176 212469472 215115796 226369344 234498287 245846624 252307498 264097568 271725216 278866182 318704208 322673694 368769936 371821576 378461247 396146352 424938944 430231592 468996574 491693248 504614996 528195136 543450432 557732364 637408416 645347388 703494861 737539872 743643152 756922494 792292704 860463184 883076243 937993148 1009229992 1115464728 1274816832 1290694776 1406989722 1475079744 1487286304 1513844988 1584585408 1641488009 1720926368 1766152486 1875986296 2018459984 2230929456 2581389552 2649228729 2813979444 2974572608 3027689976 3282976018 3441852736 3532304972 3751972592 4036919968 4455467453 4461858912 4924464027 5162779104 5298457458 5627958888 6055379952 6565952036 7064609944 7503945184 8073839936 8910934906 8923717824 9848928054 10325558208 10596914916 11255917776 12110759904 13131904072 13366402359 14129219888 15007890368 17821869812 19697856108 21193829832 22511835552 24221519808 25091316709 26263808144 26732804718 28258439776 31188272171 35643739624 39395712216 42387659664 45023671104 50182633418 52527616288 53465609436 56516879552 62376544342 71287479248 75273950127 78791424432 84775319328 93564816513 100365266836 105055232576 106931218872 124753088684 142574958496 150547900254 157582848864 169550638656 175639216963 187129633026 200730533672 213862437744 249506177368 285149916992 301095800508 315165697728 351278433926 374259266052 401461067344 427724875488 476735017471 499012354736 526917650889 602191601016 702556867852 748518532104 802922134688 855449750976 953470034942 998024709472 1053835301778 1204383202032 1405113735704 1430205052413 1497037064208 1605844269376 1906940069884 1996049418944 2107670603556 2408766404064 2810227471408 2860410104826 2994074128416 3337145122297 3813880139768 4215341207112 4817532808128 5620454942816 5720820209652 5988148256832 6674290244594 7627760279536 8430682414224 10011435366891 11240909885632 11441640419304 13348580489188 15255520559072 16861364828448 20022870733782 22883280838608 26697160978376 30511041118144 33722729656896 40045741467564 45766561677216 53394321956752 80091482935128 91533123354432 106788643913504 160182965870256 213577287827008 320365931740512 640731863481024
• Sum of all divisors σ(n): 2059060140748800
• Sum of proper divisors (its aliquot sum) s(n): 1418328277267776
• 640731863481024 is an abundant number, because the sum of its proper divisors (1418328277267776) is greater than itself. Its abundance is 777596413786752

Bases of 640731863481024

• Binary: 10010001101011111000000011000111100111101011000000₂
• Hexadecimal: 0x246BE031E7AC0
• Base-36: 6B4C5KB5XC

Squares and roots of 640731863481024

• 640731863481024 squared (640731863481024²) is 410537320879865576566808088576
• 640731863481024 cubed (640731863481024³) is 263044342635863374302136549659241791087181824
• The square root of 640731863481024 is 25312681.8705767327
• The cube root of 640731863481024 is 86210.2240893755

Scales and comparisons

• 640,731,863,481,024 seconds is equal to 20,373,291 years, 17 weeks, 6 days, 13 hours, 10 minutes, 24 seconds.
• To count from 1 to 640,731,863,481,024 would take you about fifty million, nine hundred thirty-three thousand, two hundred twenty-eight 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 640731863481024 cubic inches would be around 7184.2 feet tall.

Recreational maths with 640731863481024

• 640731863481024 backwards is 420184368137046
• 640731863481024 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 640731863481024's digits is 57
• More coming soon!