21120427125

Names of 21120427125

• Cardinal: 21120427125 can be written as Twenty-one billion, one hundred twenty million, four hundred twenty-seven thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 2.1120427125 × 10¹⁰

Factors of 21120427125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7297

Divisors of 21120427125

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 25 35 45 49 53 63 75 105 125 147 159 175 225 245 265 315 371 375 441 477 525 735 795 875 1113 1125 1225 1325 1575 1855 2205 2385 2597 2625 3339 3675 3975 5565 6125 6625 7229 7791 7875 9275 11025 11925 12985 16695 18375 19875 21687 23373 27825 36145 38955 46375 50603 55125 59625 64925 65061 83475 108435 116865 139125 151809 180725 194775 253015 324625 325305 354221 383137 417375 455427 542175 584325 759045 903625 973875 1062663 1149411 1265075 1626525 1771105 1915685 2277135 2681959 2710875 2921625 3187989 3448233 3795225 5313315 5747055 6325375 8045877 8132625 8855525 9578425 11385675 13409795 15939945 17241165 18773713 18976125 24137631 26566575 28735275 40229385 44277625 47892125 56321139 56928375 67048975 79699725 86205825 93868565 120688155 132832875 143676375 168963417 201146925 281605695 335244875 398498625 431029125 469342825 603440775 844817085 1005734625 1408028475 2346714125 3017203875 4224085425 7040142375 21120427125
• Sum of all divisors σ(n): 45130990320
• Sum of proper divisors (its aliquot sum) s(n): 24010563195
• 21120427125 is an abundant number, because the sum of its proper divisors (24010563195) is greater than itself. Its abundance is 2890136070

Bases of 21120427125

• Binary: 10011101010111000000010010001110101₂
• Hexadecimal: 0x4EAE02475
• Base-36: 9PAK1V9

Squares and roots of 21120427125

• 21120427125 squared (21120427125²) is 446072441942435765625
• 21120427125 cubed (21120427125³) is 9421240502516008032876392578125
• The square root of 21120427125 is 145328.6865178379
• The cube root of 21120427125 is 2764.1879258089

Scales and comparisons

• 21,120,427,125 seconds is equal to 671 years, 29 weeks, 2 days, 9 hours, 18 minutes, 45 seconds.
• To count from 1 to 21,120,427,125 would take you about one thousand, three hundred forty-three 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 21120427125 cubic inches would be around 230.3 feet tall.

Recreational maths with 21120427125

• 21120427125 backwards is 52172402112
• The number of decimal digits it has is: 11
• The sum of 21120427125's digits is 27
• More coming soon!