21377019840

Names of 21377019840

• Cardinal: 21377019840 can be written as Twenty-one billion, three hundred seventy-seven million, nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.137701984 × 10¹⁰

Factors of 21377019840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2024360

Divisors of 21377019840

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 132 160 165 176 192 220 240 264 320 330 352 440 480 528 660 704 880 960 1056 1320 1760 2112 2640 3520 5280 10560 2024339 4048678 6073017 8097356 10121695 12146034 16194712 20243390 22267729 24292068 30365085 32389424 40486780 44535458 48584136 60730170 64778848 66803187 80973560 89070916 97168272 111338645 121460340 129557696 133606374 161947120 178141832 194336544 222677290 242920680 267212748 323894240 334015935 356283664 388673088 445354580 485841360 534425496 647788480 668031870 712567328 890709160 971682720 1068850992 1336063740 1425134656 1781418320 1943365440 2137701984 2672127480 3562836640 4275403968 5344254960 7125673280 10688509920 21377019840
• Sum of all divisors σ(n): 74042259840
• Sum of proper divisors (its aliquot sum) s(n): 52665240000
• 21377019840 is an abundant number, because the sum of its proper divisors (52665240000) is greater than itself. Its abundance is 31288220160

Bases of 21377019840

• Binary: 10011111010001010110110111111000000₂
• Hexadecimal: 0x4FA2B6FC0
• Base-36: 9TJBQ2O

Squares and roots of 21377019840

• 21377019840 squared (21377019840²) is 456976977239753625600
• 21377019840 cubed (21377019840³) is 9768805908877441691163131904000
• The square root of 21377019840 is 146208.8227160043
• The cube root of 21377019840 is 2775.3369648435

Scales and comparisons

• 21,377,019,840 seconds is equal to 679 years, 37 weeks, 4 days, 5 hours, 4 minutes.
• To count from 1 to 21,377,019,840 would take you about one thousand, three hundred fifty-nine 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 21377019840 cubic inches would be around 231.3 feet tall.

Recreational maths with 21377019840

• 21377019840 backwards is 04891077312
• The number of decimal digits it has is: 11
• The sum of 21377019840's digits is 42
• More coming soon!