42638991251808

Names of 42638991251808

• Cardinal: 42638991251808 can be written as Forty-two trillion, six hundred thirty-eight billion, nine hundred ninety-one million, two hundred fifty-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 4.2638991251808 × 10¹³

Factors of 42638991251808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 592998996

Divisors of 42638991251808

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 107 112 168 214 224 321 336 428 642 672 749 856 1284 1498 1712 2247 2568 2996 3424 4494 5136 5992 8988 10272 11984 17976 23968 35952 71904 592998877 1185997754 1778996631 2371995508 3557993262 4150992139 4743991016 7115986524 8301984278 9487982032 12452976417 14231973048 16603968556 18975964064 24905952834 28463946096 33207937112 49811905668 56927892192 63450879839 66415874224 99623811336 126901759678 132831748448 190352639517 199247622672 253803519356 380705279034 398495245344 444156158873 507607038712 761410558068 888312317746 1015214077424 1332468476619 1522821116136 1776624635492 2030428154848 2664936953238 3045642232272 3553249270984 5329873906476 6091284464544 7106498541968 10659747812952 14212997083936 21319495625904 42638991251808
• Sum of all divisors σ(n): 129112459709184
• Sum of proper divisors (its aliquot sum) s(n): 86473468457376
• 42638991251808 is an abundant number, because the sum of its proper divisors (86473468457376) is greater than itself. Its abundance is 43834477205568

Bases of 42638991251808

• Binary: 1001101100011110101001111011010101100101100000₂
• Hexadecimal: 0x26C7A9ED5960
• Base-36: F442YHGTC

Squares and roots of 42638991251808

• 42638991251808 squared (42638991251808²) is 1818083574971759154863268864
• 42638991251808 cubed (42638991251808³) is 77521249648276652704871256590486230106112
• The square root of 42638991251808 is 6529853.8461291765
• The cube root of 42638991251808 is 34935.6617360131

Scales and comparisons

• 42,638,991,251,808 seconds is equal to 1,355,788 years, 1 week, 4 days, 4 hours, 36 minutes, 48 seconds.
• To count from 1 to 42,638,991,251,808 would take you about three million, three hundred eighty-nine thousand, four hundred seventy 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 42638991251808 cubic inches would be around 2911.3 feet tall.

Recreational maths with 42638991251808

• 42638991251808 backwards is 80815219983624
• The number of decimal digits it has is: 14
• The sum of 42638991251808's digits is 66
• More coming soon!