18191177126121

Names of 18191177126121

• Cardinal: 18191177126121 can be written as Eighteen trillion, one hundred ninety-one billion, one hundred seventy-seven million, one hundred twenty-six thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.8191177126121 × 10¹³

Factors of 18191177126121

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 524974

Divisors of 18191177126121

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 17 19 51 57 61 183 323 587 969 1037 1159 1761 3111 3477 9979 11153 19703 29937 33459 35807 59109 107421 189601 524287 568803 608719 680333 1572861 1826157 2040999 8912879 9961453 11565661 26738637 29884359 31981507 34696983 95944521 169344701 307756469 508034103 543685619 607648633 923269407 1631056857 1822945899 5231859973 5847372911 10330026761 15695579919 17542118733 18773144609 30990080283 56319433827 99405339487 298216018461 319143458353 356689747571 957430375059 1070069242713 6063725708707 18191177126121
• Sum of all divisors σ(n): 27523358392320
• Sum of proper divisors (its aliquot sum) s(n): 9332181266199
• 18191177126121 is a deficient number, because the sum of its proper divisors (9332181266199) is less than itself. Its deficiency is 8858995859922

Bases of 18191177126121

• Binary: 100001000101101110110101001101001000011101001₂
• Hexadecimal: 0x108B76A690E9
• Base-36: 6G4WT6FHL

Squares and roots of 18191177126121

• 18191177126121 squared (18191177126121²) is 330918925233907884740506641
• 18191177126121 cubed (18191177126121³) is 6019804783315610502435851707463895069561
• The square root of 18191177126121 is 4265111.6194211143
• The cube root of 18191177126121 is 26299.8699440433

Scales and comparisons

• 18,191,177,126,121 seconds is equal to 578,423 years, 8 weeks, 3 days, 13 hours, 15 minutes, 21 seconds.
• To count from 1 to 18,191,177,126,121 would take you about one million, four hundred forty-six thousand and fifty-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 18191177126121 cubic inches would be around 2191.7 feet tall.

Recreational maths with 18191177126121

• 18191177126121 backwards is 12162177119181
• The number of decimal digits it has is: 14
• The sum of 18191177126121's digits is 48
• More coming soon!