21423873770

Names of 21423873770

• Cardinal: 21423873770 can be written as Twenty-one billion, four hundred twenty-three million, eight hundred seventy-three thousand, seven hundred seventy.

Scientific notation

• Scientific notation: 2.142387377 × 10¹⁰

Factors of 21423873770

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3375

Divisors of 21423873770

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 13 26 65 67 130 134 335 670 871 1151 1742 2137 2302 4274 4355 5755 8710 10685 11510 14963 21370 27781 29926 55562 74815 77117 138905 143179 149630 154234 277810 286358 385585 715895 771170 1002521 1431790 1861327 2005042 2459687 3722654 4919374 5012605 9306635 10025210 12298435 18613270 24596870 31975931 63951862 159879655 164799029 319759310 329598058 823995145 1647990290 2142387377 4284774754 10711936885 21423873770
• Sum of all divisors σ(n): 42205556736
• Sum of proper divisors (its aliquot sum) s(n): 20781682966
• 21423873770 is a deficient number, because the sum of its proper divisors (20781682966) is less than itself. Its deficiency is 642190804

Bases of 21423873770

• Binary: 10011111100111101100101111011101010₂
• Hexadecimal: 0x4FCF65EEA
• Base-36: 9UB7YSQ

Squares and roots of 21423873770

• 21423873770 squared (21423873770²) is 458982367312894012900
• 21423873770 cubed (21423873770³) is 9833180299967215425758351633000
• The square root of 21423873770 is 146368.9645040915
• The cube root of 21423873770 is 2777.3631368251

Scales and comparisons

• 21,423,873,770 seconds is equal to 681 years, 11 weeks, 12 hours, 2 minutes, 50 seconds.
• To count from 1 to 21,423,873,770 would take you about one thousand, three hundred sixty-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 21423873770 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423873770

• 21423873770 backwards is 07737832412
• The number of decimal digits it has is: 11
• The sum of 21423873770's digits is 44
• More coming soon!