21323881250

Names of 21323881250

• Cardinal: 21323881250 can be written as Twenty-one billion, three hundred twenty-three million, eight hundred eighty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.132388125 × 10¹⁰

Factors of 21323881250

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 43

Divisors of 21323881250

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 5 7 10 14 25 29 35 49 50 58 70 98 125 145 175 203 245 250 290 343 350 406 490 625 686 725 875 1015 1225 1250 1421 1450 1715 1750 2030 2401 2450 2842 3125 3430 3625 4375 4802 5075 6125 6250 7105 7250 8575 8750 9947 10150 12005 12250 14210 16807 17150 18125 19894 21875 24010 25375 30625 33614 35525 36250 42875 43750 49735 50750 60025 61250 69629 71050 84035 85750 90625 99470 117649 120050 126875 139258 153125 168070 177625 181250 214375 235298 248675 253750 300125 306250 348145 355250 420175 428750 487403 497350 588245 600250 634375 696290 840350 888125 974806 1071875 1176490 1243375 1268750 1500625 1740725 1776250 2100875 2143750 2437015 2486750 2941225 3001250 3411821 3481450 4201750 4440625 4874030 5882450 6216875 6823642 7503125 8703625 8881250 10504375 12185075 12433750 14706125 15006250 17059105 17407250 21008750 24370150 29412250 31084375 34118210 43518125 52521875 60925375 62168750 73530625 85295525 87036250 105043750 121850750 147061250 170591050 217590625 304626875 367653125 426477625 435181250 609253750 735306250 852955250 1523134375 2132388125 3046268750 4264776250 10661940625 21323881250
• Sum of all divisors σ(n): 48251325780
• Sum of proper divisors (its aliquot sum) s(n): 26927444530
• 21323881250 is an abundant number, because the sum of its proper divisors (26927444530) is greater than itself. Its abundance is 5603563280

Bases of 21323881250

• Binary: 10011110111000000001001101100100010₂
• Hexadecimal: 0x4F7009B22
• Base-36: 9SNOS2Q

Squares and roots of 21323881250

• 21323881250 squared (21323881250²) is 454707911564101562500
• 21323881250 cubed (21323881250³) is 9696137509628403481689453125000
• The square root of 21323881250 is 146026.9880878189
• The cube root of 21323881250 is 2773.0354301093

Scales and comparisons

• 21,323,881,250 seconds is equal to 678 years, 1 week, 5 days, 4 hours, 20 minutes, 50 seconds.
• To count from 1 to 21,323,881,250 would take you about one thousand, three hundred fifty-six 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 21323881250 cubic inches would be around 231.1 feet tall.

Recreational maths with 21323881250

• 21323881250 backwards is 05218832312
• 21323881250 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21323881250's digits is 35
• More coming soon!