21108310366

Names of 21108310366

• Cardinal: 21108310366 can be written as Twenty-one billion, one hundred eight million, three hundred ten thousand, three hundred sixty-six.

Scientific notation

• Scientific notation: 2.1108310366 × 10¹⁰

Factors of 21108310366

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 97

Divisors of 21108310366

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 11 13 22 26 71 121 142 143 242 286 781 923 1331 1562 1573 1846 2662 3146 5041 8591 10082 10153 14641 17182 17303 20306 29282 34606 55451 65533 94501 110902 111683 131066 161051 189002 190333 223366 322102 380666 609961 720863 1039511 1219922 1228513 1441726 2079022 2093663 2457026 4187326 6709571 7929493 11434621 13419142 13513643 15858986 22869242 27027286 73805281 87224423 147610562 148650073 174448846 297300146 811858091 959468653 1623716182 1918937306 10554155183 21108310366
• Sum of all divisors σ(n): 38043542376
• Sum of proper divisors (its aliquot sum) s(n): 16935232010
• 21108310366 is a deficient number, because the sum of its proper divisors (16935232010) is less than itself. Its deficiency is 4173078356

Bases of 21108310366

• Binary: 10011101010001001110100000101011110₂
• Hexadecimal: 0x4EA27415E
• Base-36: 9P3CCIM

Squares and roots of 21108310366

• 21108310366 squared (21108310366²) is 445560766507383053956
• 21108310366 cubed (21108310366³) is 9405034946350699333352172107896
• The square root of 21108310366 is 145286.9931067473
• The cube root of 21108310366 is 2763.6592211299

Scales and comparisons

• 21,108,310,366 seconds is equal to 671 years, 9 weeks, 2 days, 3 hours, 32 minutes, 46 seconds.
• To count from 1 to 21,108,310,366 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 21108310366 cubic inches would be around 230.3 feet tall.

Recreational maths with 21108310366

• 21108310366 backwards is 66301380112
• The number of decimal digits it has is: 11
• The sum of 21108310366's digits is 31
• More coming soon!