12387986200421990

Names of 12387986200421990

• Cardinal: 12387986200421990 can be written as Twelve quadrillion, three hundred eighty-seven trillion, nine hundred eighty-six billion, two hundred million, four hundred twenty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.238798620042199 × 10¹⁶

Factors of 12387986200421990

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 727

Divisors of 12387986200421990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 211 422 509 1018 1055 2110 2545 5090 44521 89042 107399 214798 222605 259081 445210 518162 536995 1073990 1295405 2590810 9393931 18787862 22661189 45322378 46969655 54666091 93939310 109332182 113305945 131872229 226611890 263744458 273330455 546660910 659361145 1318722290 4781510879 9563021758 11534545201 23069090402 23907554395 27825040319 47815108790 55650080638 57672726005 115345452010 139125201595 278250403190 2433789037411 4867578074822 5871083507309 11742167014618 12168945187055 24337890374110 29355417536545 58710835073090 1238798620042199 2477597240084398 6193993100210995 12387986200421990
• Sum of all divisors σ(n): 22448661348392640
• Sum of proper divisors (its aliquot sum) s(n): 10060675147970650
• 12387986200421990 is a deficient number, because the sum of its proper divisors (10060675147970650) is less than itself. Its deficiency is 2327311052451340

Bases of 12387986200421990

• Binary: 101100000000101100111011001100111101010110011001100110₂
• Hexadecimal: 0x2C02CECCF56666
• Base-36: 3DZ6AANEM3Q

Squares and roots of 12387986200421990

• 12387986200421990 squared (12387986200421990²) is 153462202101845652593254075560100
• 12387986200421990 cubed (12387986200421990³) is 1901087641924034453520183548070103357965606599000
• The square root of 12387986200421990 is 111301330.6318571827
• The cube root of 12387986200421990 is 231384.1312747343

Scales and comparisons

• 12,387,986,200,421,990 seconds is equal to 393,899,642 years, 32 weeks, 6 hours, 59 minutes, 50 seconds.
• To count from 1 to 12,387,986,200,421,990 would take you about one billion, one hundred eighty-one million, six hundred ninety-eight thousand, nine hundred twenty-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 12387986200421990 cubic inches would be around 19282 feet tall.

Recreational maths with 12387986200421990

• 12387986200421990 backwards is 09912400268978321
• The number of decimal digits it has is: 17
• The sum of 12387986200421990's digits is 71
• More coming soon!