38728671020

Names of 38728671020

• Cardinal: 38728671020 can be written as Thirty-eight billion, seven hundred twenty-eight million, six hundred seventy-one thousand and twenty.

Scientific notation

• Scientific notation: 3.872867102 × 10¹⁰

Factors of 38728671020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2993

Divisors of 38728671020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 65 73 130 146 260 292 365 730 949 1201 1460 1699 1898 2402 3398 3796 4745 4804 6005 6796 8495 9490 12010 15613 16990 18980 22087 24020 31226 33980 44174 62452 78065 87673 88348 110435 124027 156130 175346 220870 248054 312260 350692 438365 441740 496108 620135 876730 1139749 1240270 1612351 1753460 2040499 2279498 2480540 3224702 4080998 4558996 5698745 6449404 8061755 8161996 10202495 11397490 16123510 20404990 22794980 26526487 32247020 40809980 53052974 106105948 132632435 148956427 265264870 297912854 530529740 595825708 744782135 1489564270 1936433551 2979128540 3872867102 7745734204 9682167755 19364335510 38728671020
• Sum of all divisors σ(n): 88912420800
• Sum of proper divisors (its aliquot sum) s(n): 50183749780
• 38728671020 is an abundant number, because the sum of its proper divisors (50183749780) is greater than itself. Its abundance is 11455078760

Bases of 38728671020

• Binary: 100100000100011010001001111100101100₂
• Hexadecimal: 0x904689F2C
• Base-36: HSI1TT8

Squares and roots of 38728671020

• 38728671020 squared (38728671020²) is 1499909958975387840400
• 38728671020 cubed (38728671020³) is 58089519360779491947759865208000
• The square root of 38728671020 is 196796.0137299533
• The cube root of 38728671020 is 3383.3287416011

Scales and comparisons

• 38,728,671,020 seconds is equal to 1,231 years, 23 weeks, 3 days, 12 hours, 10 minutes, 20 seconds.
• To count from 1 to 38,728,671,020 would take you about two thousand, four hundred sixty-two 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 38728671020 cubic inches would be around 281.9 feet tall.

Recreational maths with 38728671020

• 38728671020 backwards is 02017682783
• The number of decimal digits it has is: 11
• The sum of 38728671020's digits is 44
• More coming soon!