21142759139439001

Names of 21142759139439001

• Cardinal: 21142759139439001 can be written as Twenty-one quadrillion, one hundred forty-two trillion, seven hundred fifty-nine billion, one hundred thirty-nine million, four hundred thirty-nine thousand and one.

Scientific notation

• Scientific notation: 2.1142759139439001 × 10¹⁶

Factors of 21142759139439001

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 7652940

Divisors of 21142759139439001

• Number of divisors d(n): 9
• Complete list of divisors:
  1 19 361 7652921 145405499 2762704481 58567199832241 1112776796812579 21142759139439001
• Sum of all divisors σ(n): 22314106051847103
• Sum of proper divisors (its aliquot sum) s(n): 1171346912408102
• 21142759139439001 is a deficient number, because the sum of its proper divisors (1171346912408102) is less than itself. Its deficiency is 19971412227030899

Bases of 21142759139439001

• Binary: 1001011000111010011101000111000000100111111000110011001₂
• Hexadecimal: 0x4B1D3A3813F199
• Base-36: 5S6HDGLRA8P

Squares and roots of 21142759139439001

• 21142759139439001 squared (21142759139439001²) is 447016264028331406130752999878001
• 21142759139439001 cubed (21142759139439001³) is 9451157201762881378816400132745078225500581317001
• 21142759139439001 is a perfect square number. Its square root is 145405499
• The cube root of 21142759139439001 is 276516.1835096797

Scales and comparisons

• 21,142,759,139,439,001 seconds is equal to 672,274,341 years, 40 weeks, 6 days, 4 hours, 10 minutes, 1 second.
• To count from 1 to 21,142,759,139,439,001 would take you about two billion, sixteen million, eight hundred twenty-three thousand and twenty-five 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 21142759139439001 cubic inches would be around 23043 feet tall.

Recreational maths with 21142759139439001

• 21142759139439001 backwards is 10093493195724112
• The number of decimal digits it has is: 17
• The sum of 21142759139439001's digits is 61
• More coming soon!