21337918368

Names of 21337918368

• Cardinal: 21337918368 can be written as Twenty-one billion, three hundred thirty-seven million, nine hundred eighteen thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1337918368 × 10¹⁰

Factors of 21337918368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 234

Divisors of 21337918368

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 103 104 113 156 169 206 208 226 309 312 338 339 412 416 452 507 618 624 676 678 824 904 1014 1236 1248 1339 1352 1356 1469 1648 1808 2028 2472 2678 2704 2712 2938 3296 3616 4017 4056 4407 4944 5356 5408 5424 5876 8034 8112 8814 9888 10712 10848 11639 11752 12769 16068 16224 17407 17628 19097 21424 23278 23504 25538 32136 34814 34917 35256 38194 38307 42848 46556 47008 51076 52221 57291 64272 69628 69834 70512 76388 76614 93112 102152 104442 114582 128544 139256 139668 141024 151307 152776 153228 165997 186224 204304 208884 229164 278512 279336 302614 305552 306456 331994 372448 408608 417768 453921 458328 497991 557024 558672 605228 611104 612912 663988 835536 907842 916656 995982 1117344 1210456 1225824 1315207 1327976 1671072 1815684 1833312 1966991 1991964 2157961 2420912 2630414 2655952 3631368 3933982 3945621 3983928 4315922 4841824 5260828 5311904 5900973 6473883 7262736 7867964 7891242 7967856 8631844 10521656 11801946 12947766 14525472 15735928 15782484 15935712 17097691 17263688 21043312 23603892 25895532 31471856 31564968 34195382 34527376 42086624 47207784 51293073 51791064 62943712 63129936 68390764 69054752 94415568 102586146 103582128 126259872 136781528 188831136 205172292 207164256 222269983 273563056 410344584 444539966 547126112 666809949 820689168 889079932 1333619898 1641378336 1778159864 2667239796 3556319728 5334479592 7112639456 10668959184 21337918368
• Sum of all divisors σ(n): 61787692512
• Sum of proper divisors (its aliquot sum) s(n): 40449774144
• 21337918368 is an abundant number, because the sum of its proper divisors (40449774144) is greater than itself. Its abundance is 19111855776

Bases of 21337918368

• Binary: 10011110111110101101100101110100000₂
• Hexadecimal: 0x4F7D6CBA0
• Base-36: 9SW1N6O

Squares and roots of 21337918368

• 21337918368 squared (21337918368²) is 455306760279431783424
• 21337918368 cubed (21337918368³) is 9715298483241060264125967532032
• The square root of 21337918368 is 146075.0436179979
• The cube root of 21337918368 is 2773.6437760121

Scales and comparisons

• 21,337,918,368 seconds is equal to 678 years, 24 weeks, 6 days, 15 hours, 32 minutes, 48 seconds.
• To count from 1 to 21,337,918,368 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 21337918368 cubic inches would be around 231.1 feet tall.

Recreational maths with 21337918368

• 21337918368 backwards is 86381973312
• The number of decimal digits it has is: 11
• The sum of 21337918368's digits is 51
• More coming soon!