38855940981

Names of 38855940981

• Cardinal: 38855940981 can be written as Thirty-eight billion, eight hundred fifty-five million, nine hundred forty thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 3.8855940981 × 10¹⁰

Factors of 38855940981

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 365

Divisors of 38855940981

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 11 13 31 33 39 93 143 307 341 403 429 921 961 1023 1209 2883 3377 3991 4433 9517 10131 10571 11973 12493 13299 28551 31713 37479 43901 94249 104687 123721 131703 137423 282747 295027 314061 371163 412269 885081 1036739 1225237 1360931 2921719 3110217 3245297 3675711 3835351 4082793 8765157 9735891 11506053 13477607 32138909 37982347 40432821 42188861 90573289 96416727 113947041 126566583 271719867 417805817 996306179 1177452757 1253417451 2988918537 3532358271 12951980327 38855940981
• Sum of all divisors σ(n): 63097507872
• Sum of proper divisors (its aliquot sum) s(n): 24241566891
• 38855940981 is a deficient number, because the sum of its proper divisors (24241566891) is less than itself. Its deficiency is 14614374090

Bases of 38855940981

• Binary: 100100001011111111101001101101110101₂
• Hexadecimal: 0x90BFE9B75
• Base-36: HULTNXX

Squares and roots of 38855940981

• 38855940981 squared (38855940981²) is 1509784149518955242361
• 38855940981 cubed (38855940981³) is 58664083807757804437959567096141
• The square root of 38855940981 is 197119.1035414883
• The cube root of 38855940981 is 3387.0307818955

Scales and comparisons

• 38,855,940,981 seconds is equal to 1,235 years, 25 weeks, 6 days, 12 hours, 56 minutes, 21 seconds.
• To count from 1 to 38,855,940,981 would take you about two 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 38855940981 cubic inches would be around 282.3 feet tall.

Recreational maths with 38855940981

• 38855940981 backwards is 18904955883
• The number of decimal digits it has is: 11
• The sum of 38855940981's digits is 60
• More coming soon!