39903990042

Names of 39903990042

• Cardinal: 39903990042 can be written as Thirty-nine billion, nine hundred three million, nine hundred ninety thousand and forty-two.

Scientific notation

• Scientific notation: 3.9903990042 × 10¹⁰

Factors of 39903990042

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 836

Divisors of 39903990042

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 14 21 42 79 127 158 237 254 281 337 381 474 553 562 674 762 843 889 1011 1106 1659 1686 1778 1967 2022 2359 2667 3318 3934 4718 5334 5901 7077 10033 11802 14154 20066 22199 26623 30099 35687 42799 44398 53246 60198 66597 70231 71374 79869 85598 94697 107061 128397 133194 140462 155393 159738 186361 189394 210693 214122 249809 256794 284091 299593 310786 372722 421386 466179 499618 559083 568182 599186 662879 749427 898779 932358 1118166 1325758 1498854 1797558 1988637 2819273 3381121 3977274 5638546 6762242 7481063 8457819 10143363 12026519 14962126 16915638 19734911 20286726 22443189 23667847 24053038 36079557 39469822 44886378 47335694 52367441 59204733 71003541 72159114 84185633 104734882 118409466 142007082 157102323 168371266 252556899 314204646 505113798 950095001 1900190002 2850285003 5700570006 6650665007 13301330014 19951995021 39903990042
• Sum of all divisors σ(n): 93699440640
• Sum of proper divisors (its aliquot sum) s(n): 53795450598
• 39903990042 is an abundant number, because the sum of its proper divisors (53795450598) is greater than itself. Its abundance is 13891460556

Bases of 39903990042

• Binary: 100101001010011101101001000100011010₂
• Hexadecimal: 0x94A76911A
• Base-36: IBXSZRU

Squares and roots of 39903990042

• 39903990042 squared (39903990042²) is 1592328421272035161764
• 39903990042 cubed (39903990042³) is 63540257466032872068104515154088
• The square root of 39903990042 is 199759.8309020109
• The cube root of 39903990042 is 3417.2134558925

Scales and comparisons

• 39,903,990,042 seconds is equal to 1,268 years, 42 weeks, 5 days, 17 hours, 40 minutes, 42 seconds.
• To count from 1 to 39,903,990,042 would take you about two thousand, five hundred thirty-seven 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 39903990042 cubic inches would be around 284.8 feet tall.

Recreational maths with 39903990042

• 39903990042 backwards is 24009930993
• The number of decimal digits it has is: 11
• The sum of 39903990042's digits is 48
• More coming soon!