21667486427042401

Names of 21667486427042401

• Cardinal: 21667486427042401 can be written as Twenty-one quadrillion, six hundred sixty-seven trillion, four hundred eighty-six billion, four hundred twenty-seven million, forty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 2.1667486427042401 × 10¹⁶

Factors of 21667486427042401

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 349

Divisors of 21667486427042401

• Number of divisors d(n): 75
• Complete list of divisors:
  1 11 67 121 271 737 1331 2981 4489 8107 14641 18157 32791 49379 73441 89177 199727 300763 360701 543169 807851 980947 1216519 2196997 3308393 3967711 4920547 5974859 8886361 13381709 20151121 24166967 36392323 54126017 65723449 81506773 97749971 147198799 221662331 265836637 329676649 400315553 595386187 896574503 1075249681 1619186789 2438285641 3626443139 4403471083 5460953791 6549248057 9862319533 17811054679 22088335483 26821142051 39890874529 60070491701 72041728627 108485514863 242971690313 295032562561 438799619819 660775408711 1193340663493 1479918477361 2672688593443 4826795818009 7268529495821 16279103250971 29399574527873 79953824454031 179070135760681 323395319806603 1969771493367491 21667486427042401
• Sum of all divisors σ(n): 24284820258648465
• Sum of proper divisors (its aliquot sum) s(n): 2617333831606064
• 21667486427042401 is a deficient number, because the sum of its proper divisors (2617333831606064) is less than itself. Its deficiency is 19050152595436337

Bases of 21667486427042401

• Binary: 1001100111110100111011011001111101010001101001001100001₂
• Hexadecimal: 0x4CFA76CFA8D261
• Base-36: 5XCHDUKQMW1

Squares and roots of 21667486427042401

• 21667486427042401 squared (21667486427042401²) is 469479968066066672512984251844801
• 21667486427042401 cubed (21667486427042401³) is 10172450835839799486078109551093198423278498407201
• 21667486427042401 is a perfect square number. Its square root is 147198799
• The cube root of 21667486427042401 is 278785.0694434189

Scales and comparisons

• 21,667,486,427,042,401 seconds is equal to 688,959,046 years, 23 weeks, 14 hours, 1 second.
• To count from 1 to 21,667,486,427,042,401 would take you about two billion, sixty-six million, eight hundred seventy-seven thousand, one hundred thirty-nine 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 21667486427042401 cubic inches would be around 23232.1 feet tall.

Recreational maths with 21667486427042401

• 21667486427042401 backwards is 10424072468476612
• The number of decimal digits it has is: 17
• The sum of 21667486427042401's digits is 64
• More coming soon!