21307166400

Names of 21307166400

• Cardinal: 21307166400 can be written as Twenty-one billion, three hundred seven million, one hundred sixty-six thousand, four hundred.

Scientific notation

• Scientific notation: 2.13071664 × 10¹⁰

Factors of 21307166400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 341484

Divisors of 21307166400

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 64 65 75 78 80 96 100 104 120 130 150 156 160 192 195 200 208 240 260 300 312 320 325 390 400 416 480 520 600 624 650 780 800 832 960 975 1040 1200 1248 1300 1560 1600 1950 2080 2400 2496 2600 3120 3900 4160 4800 5200 6240 7800 10400 12480 15600 20800 31200 62400 341461 682922 1024383 1365844 1707305 2048766 2731688 3414610 4097532 4438993 5121915 5463376 6829220 8195064 8536525 8877986 10243830 10926752 13316979 13658440 16390128 17073050 17755972 20487660 21853504 22194965 25609575 26633958 27316880 32780256 34146100 35511944 40975320 44389930 51219150 53267916 54633760 65560512 66584895 68292200 71023888 81950640 88779860 102438300 106535832 109267520 110974825 133169790 136584400 142047776 163901280 177559720 204876600 213071664 221949650 266339580 273168800 284095552 327802560 332924475 355119440 409753200 426143328 443899300 532679160 546337600 665848950 710238880 819506400 852286656 887798600 1065358320 1331697900 1420477760 1639012800 1775597200 2130716640 2663395800 3551194400 4261433280 5326791600 7102388800 10653583200 21307166400
• Sum of all divisors σ(n): 75282810064
• Sum of proper divisors (its aliquot sum) s(n): 53975643664
• 21307166400 is an abundant number, because the sum of its proper divisors (53975643664) is greater than itself. Its abundance is 32668477264

Bases of 21307166400

• Binary: 10011110110000000011000111011000000₂
• Hexadecimal: 0x4F6018EC0
• Base-36: 9SDQITC

Squares and roots of 21307166400

• 21307166400 squared (21307166400²) is 453995339997288960000
• 21307166400 cubed (21307166400³) is 9673354254146811419602944000000
• The square root of 21307166400 is 145969.7448103545
• The cube root of 21307166400 is 2772.3106873229

Scales and comparisons

• 21,307,166,400 seconds is equal to 677 years, 26 weeks, 17 hours, 20 minutes.
• To count from 1 to 21,307,166,400 would take you about one thousand, three hundred fifty-five 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 21307166400 cubic inches would be around 231 feet tall.

Recreational maths with 21307166400

• 21307166400 backwards is 00466170312
• 21307166400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21307166400's digits is 30
• More coming soon!