21369886848

Names of 21369886848

• Cardinal: 21369886848 can be written as Twenty-one billion, three hundred sixty-nine million, eight hundred eighty-six thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1369886848 × 10¹⁰

Factors of 21369886848

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 137

Divisors of 21369886848

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 59 64 72 73 96 118 128 144 146 177 192 219 236 288 292 354 384 438 472 531 576 584 657 708 876 944 1062 1152 1168 1314 1416 1752 1888 2124 2336 2628 2832 3481 3504 3776 4248 4307 4672 5256 5329 5664 6962 7008 7552 8496 8614 9344 10443 10512 10658 11328 12921 13924 14016 15987 16992 17228 20886 21024 21316 22656 25842 27848 28032 31329 31974 33984 34456 38763 41772 42048 42632 47961 51684 55696 62658 63948 67968 68912 77526 83544 84096 85264 95922 103368 111392 125316 127896 137824 155052 167088 170528 191844 206736 222784 250632 254113 255792 275648 310104 314411 334176 341056 383688 413472 445568 501264 508226 511584 551296 620208 628822 668352 682112 762339 767376 826944 943233 1002528 1016452 1023168 1240416 1257644 1336704 1524678 1534752 1653888 1886466 2005056 2032904 2046336 2287017 2480832 2515288 2829699 3049356 3069504 3772932 4010112 4065808 4574034 4961664 5030576 5659398 6098712 6139008 7545864 8131616 9148068 10061152 11318796 12197424 15091728 16263232 18296136 18550249 20122304 22637592 24394848 30183456 32526464 36592272 37100498 40244608 45275184 48789696 55650747 60366912 73184544 74200996 90550368 97579392 111301494 120733824 146369088 148401992 166952241 181100736 222602988 292738176 296803984 333904482 362201472 445205976 593607968 667808964 890411952 1187215936 1335617928 1780823904 2374431872 2671235856 3561647808 5342471712 7123295616 10684943424 21369886848
• Sum of all divisors σ(n): 63422656245
• Sum of proper divisors (its aliquot sum) s(n): 42052769397
• 21369886848 is an abundant number, because the sum of its proper divisors (42052769397) is greater than itself. Its abundance is 20682882549

Bases of 21369886848

• Binary: 10011111001101111101001100010000000₂
• Hexadecimal: 0x4F9BE9880
• Base-36: 9TF2U80

Squares and roots of 21369886848

• 21369886848 squared (21369886848²) is 456672063896323375104
• 21369886848 cubed (21369886848³) is 9759030332107056529189940232192
• The square root of 21369886848 is 146184.4275153821
• The cube root of 21369886848 is 2775.0282430045

Scales and comparisons

• 21,369,886,848 seconds is equal to 679 years, 25 weeks, 5 days, 15 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,369,886,848 would take you about one thousand, three hundred fifty-eight 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 21369886848 cubic inches would be around 231.3 feet tall.

Recreational maths with 21369886848

• 21369886848 backwards is 84868896312
• The number of decimal digits it has is: 11
• The sum of 21369886848's digits is 63
• More coming soon!