42815815831908

Names of 42815815831908

• Cardinal: 42815815831908 can be written as Forty-two trillion, eight hundred fifteen billion, eight hundred fifteen million, eight hundred thirty-one thousand, nine hundred eight.

Scientific notation

• Scientific notation: 4.2815815831908 × 10¹³

Factors of 42815815831908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1625372

Divisors of 42815815831908

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 112291 224582 336873 449164 673746 786037 1010619 1347492 1513069 1572074 2021238 2358111 3026138 3144148 4042476 4539207 4716222 6052276 7074333 9078414 9432444 10591483 13617621 14148666 18156828 21182966 27235242 28297332 31774449 42365932 54470484 63548898 95323347 127097796 190646694 381293388 169904031079 339808062158 509712093237 679616124316 1019424186474 1189328217553 1529136279711 2038848372948 2378656435106 3058272559422 3567984652659 4757312870212 6116545118844 7135969305318 10703953957977 14271938610636 21407907915954 42815815831908
• Sum of all divisors σ(n): 123691317888320
• Sum of proper divisors (its aliquot sum) s(n): 80875502056412
• 42815815831908 is an abundant number, because the sum of its proper divisors (80875502056412) is greater than itself. Its abundance is 38059686224504

Bases of 42815815831908

• Binary: 1001101111000011010101011111100101000101100100₂
• Hexadecimal: 0x26F0D57E5164
• Base-36: F6DBB9W10

Squares and roots of 42815815831908

• 42815815831908 squared (42815815831908²) is 1833194085351863742110920464
• 42815815831908 cubed (42815815831908³) is 78489700342568433044327142038349781365312
• The square root of 42815815831908 is 6543379.5420950479
• The cube root of 42815815831908 is 34983.8880486035

Scales and comparisons

• 42,815,815,831,908 seconds is equal to 1,361,410 years, 26 weeks, 1 day, 23 hours, 31 minutes, 48 seconds.
• To count from 1 to 42,815,815,831,908 would take you about three million, four hundred three thousand, five hundred twenty-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 42815815831908 cubic inches would be around 2915.3 feet tall.

Recreational maths with 42815815831908

• 42815815831908 backwards is 80913851851824
• 42815815831908 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 42815815831908's digits is 63
• More coming soon!