38985265638

Names of 38985265638

• Cardinal: 38985265638 can be written as Thirty-eight billion, nine hundred eighty-five million, two hundred sixty-five thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 3.8985265638 × 10¹⁰

Factors of 38985265638

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 51076

Divisors of 38985265638

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 121 198 242 353 363 706 726 1059 1089 2118 2178 3177 3883 6354 7766 11649 23298 34947 42713 50707 69894 85426 101414 128139 152121 256278 304242 384417 456363 557777 768834 912726 1115554 1673331 3346662 5019993 6135547 10039986 12271094 17899571 18406641 35799142 36813282 53698713 55219923 107397426 110439846 161096139 196895281 322192278 393790562 590685843 1181371686 1772057529 2165848091 3544115058 4331696182 6497544273 12995088546 19492632819 38985265638
• Sum of all divisors σ(n): 93109928184
• Sum of proper divisors (its aliquot sum) s(n): 54124662546
• 38985265638 is an abundant number, because the sum of its proper divisors (54124662546) is greater than itself. Its abundance is 15139396908

Bases of 38985265638

• Binary: 100100010011101100111111000111100110₂
• Hexadecimal: 0x913B3F1E6
• Base-36: HWQTJHI

Squares and roots of 38985265638

• 38985265638 squared (38985265638²) is 1519850936865423547044
• 38985265638 cubed (38985265638³) is 59251792503861704038890529674072
• The square root of 38985265638 is 197446.8678860213
• The cube root of 38985265638 is 3390.7843179633

Scales and comparisons

• 38,985,265,638 seconds is equal to 1,239 years, 31 weeks, 5 days, 8 hours, 27 minutes, 18 seconds.
• To count from 1 to 38,985,265,638 would take you about two thousand, four hundred seventy-nine 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 38985265638 cubic inches would be around 282.6 feet tall.

Recreational maths with 38985265638

• 38985265638 backwards is 83656258983
• The number of decimal digits it has is: 11
• The sum of 38985265638's digits is 63
• More coming soon!