13581421875

Names of 13581421875

• Cardinal: 13581421875 can be written as Thirteen billion, five hundred eighty-one million, four hundred twenty-one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.3581421875 × 10¹⁰

Factors of 13581421875

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 88

Divisors of 13581421875

• Number of divisors d(n): 252
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 73 75 81 105 125 135 147 175 189 219 225 243 245 315 365 375 405 441 511 525 567 625 657 675 735 875 945 1095 1125 1215 1225 1323 1533 1575 1701 1825 1875 1971 2025 2205 2555 2625 2835 3125 3285 3375 3577 3675 3969 4375 4599 4725 5475 5625 5913 6075 6125 6615 7665 7875 8505 9125 9375 9855 10125 10731 11025 11907 12775 13125 13797 14175 15625 16425 16875 17739 17885 18375 19845 21875 22995 23625 27375 28125 29565 30375 30625 32193 33075 38325 39375 41391 42525 45625 46875 49275 50625 53655 55125 59535 63875 65625 68985 70875 82125 84375 88695 89425 91875 96579 99225 109375 114975 118125 124173 136875 140625 147825 151875 153125 160965 165375 191625 196875 206955 212625 228125 246375 253125 268275 275625 289737 297675 319375 328125 344925 354375 410625 421875 443475 447125 459375 482895 496125 574875 590625 620865 684375 739125 759375 765625 804825 826875 869211 958125 984375 1034775 1063125 1140625 1231875 1265625 1341375 1378125 1448685 1488375 1596875 1724625 1771875 2053125 2217375 2235625 2296875 2414475 2480625 2874375 2953125 3104325 3421875 3695625 3796875 4024125 4134375 4346055 4790625 5173875 5315625 6159375 6706875 6890625 7243425 7441875 7984375 8623125 8859375 10265625 11086875 11178125 12072375 12403125 14371875 15521625 18478125 20120625 20671875 21730275 23953125 25869375 26578125 30796875 33534375 36217125 37209375 43115625 55434375 55890625 60361875 62015625 71859375 77608125 92390625 100603125 108651375 129346875 167671875 181085625 186046875 215578125 277171875 301809375 388040625 503015625 543256875 646734375 905428125 1509046875 1940203125 2716284375 4527140625 13581421875
• Sum of all divisors σ(n): 29986959912
• Sum of proper divisors (its aliquot sum) s(n): 16405538037
• 13581421875 is an abundant number, because the sum of its proper divisors (16405538037) is greater than itself. Its abundance is 2824116162

Bases of 13581421875

• Binary: 1100101001100001000000110100110011₂
• Hexadecimal: 0x329840D33
• Base-36: 68M106R

Squares and roots of 13581421875

• 13581421875 squared (13581421875²) is 184455020146728515625
• 13581421875 cubed (13581421875³) is 2505161445574344371795654296875
• The square root of 13581421875 is 116539.3576222215
• The cube root of 13581421875 is 2385.8789924899

Scales and comparisons

• 13,581,421,875 seconds is equal to 431 years, 44 weeks, 9 hours, 11 minutes, 15 seconds.
• To count from 1 to 13,581,421,875 would take you about eight hundred sixty-three 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 13581421875 cubic inches would be around 198.8 feet tall.

Recreational maths with 13581421875

• 13581421875 backwards is 57812418531
• 13581421875 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13581421875's digits is 45
• More coming soon!