21107877001

Names of 21107877001

• Cardinal: 21107877001 can be written as Twenty-one billion, one hundred seven million, eight hundred seventy-seven thousand and one.

Scientific notation

• Scientific notation: 2.1107877001 × 10¹⁰

Factors of 21107877001

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2608570

Divisors of 21107877001

• Number of divisors d(n): 4
• Complete list of divisors:
  1 8117 2600453 21107877001
• Sum of all divisors σ(n): 21110485572
• Sum of proper divisors (its aliquot sum) s(n): 2608571
• 21107877001 is a deficient number, because the sum of its proper divisors (2608571) is less than itself. Its deficiency is 21105268430

Bases of 21107877001

• Binary: 10011101010001000001010010010001001₂
• Hexadecimal: 0x4EA20A489
• Base-36: 9P3324P

Squares and roots of 21107877001

• 21107877001 squared (21107877001²) is 445542471489344754001
• 21107877001 cubed (21107877001³) is 9404455686918638349537710631001
• The square root of 21107877001 is 145285.5016889161
• The cube root of 21107877001 is 2763.6403078623

Scales and comparisons

• 21,107,877,001 seconds is equal to 671 years, 8 weeks, 4 days, 3 hours, 10 minutes, 1 second.
• To count from 1 to 21,107,877,001 would take you about one thousand, three hundred forty-two 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 21107877001 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107877001

• 21107877001 backwards is 10077870112
• The number of decimal digits it has is: 11
• The sum of 21107877001's digits is 34
• More coming soon!