21104302725

Names of 21104302725

• Cardinal: 21104302725 can be written as Twenty-one billion, one hundred four million, three hundred two thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 2.1104302725 × 10¹⁰

Factors of 21104302725

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3747

Divisors of 21104302725

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 11 15 19 25 33 45 55 57 75 95 99 121 165 171 209 225 275 285 363 475 495 605 627 825 855 1045 1089 1331 1425 1815 1881 2299 2475 3025 3135 3709 3993 4275 5225 5445 6655 6897 9075 9405 11127 11495 11979 15675 18545 19965 20691 25289 27225 33275 33381 34485 40799 47025 55635 57475 59895 70471 75867 92725 99825 103455 122397 126445 166905 172425 203995 211413 227601 278175 299475 352355 367191 379335 448789 517275 611985 632225 634239 775181 834525 1019975 1057065 1138005 1346367 1761775 1835955 1896675 2243945 2325543 3059925 3171195 3875905 4039101 4936679 5285325 5690025 6731835 6976629 8526991 9179775 11219725 11627715 14810037 15855975 19379525 20195505 24683395 25580973 33659175 34883145 42634955 44430111 58138575 74050185 76742919 93796901 100977525 123416975 127904865 174415725 213174775 222150555 281390703 370250925 383714595 468984505 639524325 844172109 1110752775 1406953515 1918572975 2344922525 4220860545 7034767575 21104302725
• Sum of all divisors σ(n): 43777406400
• Sum of proper divisors (its aliquot sum) s(n): 22673103675
• 21104302725 is an abundant number, because the sum of its proper divisors (22673103675) is greater than itself. Its abundance is 1568800950

Bases of 21104302725

• Binary: 10011101001111010100001101010000101₂
• Hexadecimal: 0x4E9EA1A85
• Base-36: 9P0YG79

Squares and roots of 21104302725

• 21104302725 squared (21104302725²) is 445391593508442425625
• 21104302725 cubed (21104302725³) is 9399679020572313793623297328125
• The square root of 21104302725 is 145273.2002986097
• The cube root of 21104302725 is 2763.4843065293

Scales and comparisons

• 21,104,302,725 seconds is equal to 671 years, 2 weeks, 4 days, 18 hours, 18 minutes, 45 seconds.
• To count from 1 to 21,104,302,725 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 21104302725 cubic inches would be around 230.3 feet tall.

Recreational maths with 21104302725

• 21104302725 backwards is 52720340112
• The number of decimal digits it has is: 11
• The sum of 21104302725's digits is 27
• More coming soon!