21357700162422121

Names of 21357700162422121

• Cardinal: 21357700162422121 can be written as Twenty-one quadrillion, three hundred fifty-seven trillion, seven hundred billion, one hundred sixty-two million, four hundred twenty-two thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 2.1357700162422121 × 10¹⁶

Factors of 21357700162422121

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 146142739

Divisors of 21357700162422121

• Number of divisors d(n): 3
• Complete list of divisors:
  1 146142739 21357700162422121
• Sum of all divisors σ(n): 21357700308564861
• Sum of proper divisors (its aliquot sum) s(n): 146142740
• 21357700162422121 is a deficient number, because the sum of its proper divisors (146142740) is less than itself. Its deficiency is 21357700016279381

Bases of 21357700162422121

• Binary: 1001011111000001011011100010011011001101000010101101001₂
• Hexadecimal: 0x4BE0B713668569
• Base-36: 5UAO8058961

Squares and roots of 21357700162422121

• 21357700162422121 squared (21357700162422121²) is 456151356227925893744345390138641
• 21357700162422121 cubed (21357700162422121³) is 9742343894998243636389888631741262908590555277561
• 21357700162422121 is a perfect square number. Its square root is 146142739
• The cube root of 21357700162422121 is 277450.0634107501

Scales and comparisons

• 21,357,700,162,422,121 seconds is equal to 679,108,801 years, 23 weeks, 6 days, 17 hours, 42 minutes, 1 second.
• To count from 1 to 21,357,700,162,422,121 would take you about two billion, thirty-seven million, three hundred twenty-six thousand, four hundred four 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 21357700162422121 cubic inches would be around 23120.8 feet tall.

Recreational maths with 21357700162422121

• 21357700162422121 backwards is 12122426100775312
• The number of decimal digits it has is: 17
• The sum of 21357700162422121's digits is 46
• More coming soon!