21386714910

Names of 21386714910

• Cardinal: 21386714910 can be written as Twenty-one billion, three hundred eighty-six million, seven hundred fourteen thousand, nine hundred ten.

Scientific notation

• Scientific notation: 2.138671491 × 10¹⁰

Factors of 21386714910

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2188

Divisors of 21386714910

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 23 30 33 46 55 66 69 110 115 121 127 138 165 230 242 253 254 330 345 363 381 506 605 635 690 726 759 762 1210 1265 1270 1397 1518 1815 1905 2017 2530 2783 2794 2921 3630 3795 3810 4034 4191 5566 5842 6051 6985 7590 8349 8382 8763 10085 12102 13915 13970 14605 15367 16698 17526 20170 20955 22187 27830 29210 30255 30734 32131 41745 41910 43815 44374 46101 46391 60510 64262 66561 76835 83490 87630 92202 92782 96393 110935 133122 139173 153670 160655 192786 221870 230505 231955 244057 256159 278346 321310 332805 353441 461010 463910 481965 488114 510301 512318 665610 695865 706882 732171 768477 963930 1020602 1060323 1220285 1280795 1391730 1464342 1530903 1536954 1767205 2120646 2440570 2551505 2561590 2817749 3061806 3534410 3660855 3842385 5103010 5301615 5613311 5635498 5891657 7321710 7654515 7684770 8453247 10603230 11226622 11783314 14088745 15309030 16839933 16906494 17674971 28066555 28177490 29458285 30995239 33679866 35349942 42266235 56133110 58916570 61990478 64808227 84199665 84532470 88374855 92985717 129616454 154976195 168399330 176749710 185971434 194424681 309952390 324041135 388849362 464928585 648082270 712890497 929857170 972123405 1425780994 1944246810 2138671491 3564452485 4277342982 7128904970 10693357455 21386714910
• Sum of all divisors σ(n): 59364458496
• Sum of proper divisors (its aliquot sum) s(n): 37977743586
• 21386714910 is an abundant number, because the sum of its proper divisors (37977743586) is greater than itself. Its abundance is 16591028676

Bases of 21386714910

• Binary: 10011111010101111110101111100011110₂
• Hexadecimal: 0x4FABF5F1E
• Base-36: 9TP3IU6

Squares and roots of 21386714910

• 21386714910 squared (21386714910²) is 457391574641616308100
• 21386714910 cubed (21386714910³) is 9782103209096233402941423771000
• The square root of 21386714910 is 146241.9738310449
• The cube root of 21386714910 is 2775.7564654673

Scales and comparisons

• 21,386,714,910 seconds is equal to 680 years, 1 week, 4 days, 10 hours, 8 minutes, 30 seconds.
• To count from 1 to 21,386,714,910 would take you about one thousand, three hundred sixty 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 21386714910 cubic inches would be around 231.3 feet tall.

Recreational maths with 21386714910

• 21386714910 backwards is 01941768312
• The number of decimal digits it has is: 11
• The sum of 21386714910's digits is 42
• More coming soon!