642140467815

Names of 642140467815

• Cardinal: 642140467815 can be written as Six hundred forty-two billion, one hundred forty million, four hundred sixty-seven thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 6.42140467815 × 10¹¹

Factors of 642140467815

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 151

Divisors of 642140467815

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 11 15 17 21 33 35 47 51 55 61 77 85 105 119 121 141 165 183 187 231 235 255 289 305 329 357 363 385 427 517 561 595 605 671 705 799 847 867 915 935 987 1037 1155 1281 1309 1445 1551 1645 1785 1815 2013 2023 2057 2135 2397 2541 2585 2805 2867 3111 3179 3355 3619 3721 3927 3995 4235 4335 4697 4935 5185 5593 5687 6069 6171 6405 6545 7259 7381 7755 8601 8789 9537 10065 10115 10285 10857 11163 11407 11985 12705 13583 14091 14335 14399 15555 15895 16779 17061 17629 18095 18605 19635 20069 21777 22143 22253 23485 26047 26367 27965 28435 30345 30855 31537 34221 34969 36295 36905 39809 40749 40931 43005 43197 43945 47685 48739 51667 52887 54285 55815 57035 60207 61523 63257 66759 67915 70455 71995 78141 79849 83895 85305 88145 94611 95081 96679 100345 104907 108885 110715 111265 119427 122793 123403 125477 130235 131835 146217 149413 155001 157685 171105 174845 174887 184569 189771 193919 199045 203745 204655 215985 220759 239547 243695 244783 258335 264435 285243 286517 290037 301035 307615 316285 333795 341173 346907 370209 376431 390705 399245 442799 448239 450241 473055 475405 483395 524535 524661 536129 581757 597135 613965 617015 627385 662277 676753 695827 731085 734349 747065 775005 828563 859551 874435 878339 922845 948855 969595 1023519 1040721 1045891 1075369 1103795 1197735 1223915 1224209 1328397 1350723 1357433 1426215 1432585 1450185 1608387 1643543 1705865 1734535 1851045 1882155 1923757 2030259 2087481 2133109 2213995 2241195 2251205 2428349 2485689 2623305 2635017 2680645 2908785 2973079 3137673 3151687 3226107 3311385 3383765 3479135 3671745 3672627 3752903 4072299 4142815 4297755 4391695 4870789 4930629 5117595 5203605 5229455 5376845 5771271 5799941 5897419 6121045 6399327 6641985 6753615 6787165 7285047 7527583 7654097 8041935 8217715 8919237 9114193 9455061 9618785 10151295 10437405 10665545 11258709 11504801 11829059 12141745 12428445 13175085 13466299 14612367 14865395 14931763 15688365 15758435 16130535 17399823 17692257 18363135 18764515 20361495 20811553 21161327 22582749 22962291 24353945 24653145 27342579 28856355 28999705 29487095 31996635 32703869 34514403 35487177 36425235 37637915 38270485 40398897 41281933 44596185 44795289 45570965 47275305 50542343 53578679 56293545 57524005 59145295 62434659 63483981 63799351 67331495 73061835 74658815 82803413 86999115 88461285 98111607 100256123 104057765 105806635 112913745 114811455 123845799 130119649 136712895 148129289 151627029 160736037 163519345 172572015 177435885 191398053 201994485 206409665 223976445 228927083 248410239 252711715 267893395 300768369 312173295 317419905 318996755 353796401 359742559 390358947 414017065 444387867 490558035 501280615 555965773 619228995 650598245 686781249 701792861 740646445 758135145 803680185 910837543 956990265 1061389203 1079227677 1144635415 1242051195 1503841845 1667897319 1768982005 1798712795 1951794735 2105378583 2221939335 2518197913 2732512629 2779828865 3433906245 3508964305 3891760411 4554187715 5306946015 5396138385 6115623503 7554593739 8339486595 10526892915 11675281233 12590989565 13662563145 18346870509 19458802055 30578117515 37772968695 42809364521 58376406165 91734352545 128428093563 214046822605 642140467815
• Sum of all divisors σ(n): 1423537210368
• Sum of proper divisors (its aliquot sum) s(n): 781396742553
• 642140467815 is an abundant number, because the sum of its proper divisors (781396742553) is greater than itself. Its abundance is 139256274738

Bases of 642140467815

• Binary: 1001010110000010100011011111001001100111₂
• Hexadecimal: 0x95828DF267
• Base-36: 86ZTUS13

Squares and roots of 642140467815

• 642140467815 squared (642140467815²) is 412344380405667050874225
• 642140467815 cubed (642140467815³) is 264783013334581359525506246225568375
• The square root of 642140467815 is 801336.6756956779
• The cube root of 642140467815 is 8627.3353572567

Scales and comparisons

• 642,140,467,815 seconds is equal to 20,418 years, 4 weeks, 1 day, 8 hours, 10 minutes, 15 seconds.
• To count from 1 to 642,140,467,815 would take you about forty thousand, eight hundred thirty-six 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 642140467815 cubic inches would be around 718.9 feet tall.

Recreational maths with 642140467815

• 642140467815 backwards is 518764041246
• The number of decimal digits it has is: 12
• The sum of 642140467815's digits is 48
• More coming soon!