21007265400

Names of 21007265400

• Cardinal: 21007265400 can be written as Twenty-one billion, seven million, two hundred sixty-five thousand, four hundred.

Scientific notation

• Scientific notation: 2.10072654 × 10¹⁰

Factors of 21007265400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 17475

Divisors of 21007265400

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 25 30 33 36 40 44 45 50 55 60 61 66 72 75 88 90 99 100 110 120 122 132 150 165 180 183 198 200 220 225 244 264 275 300 305 330 360 366 396 440 450 488 495 549 550 600 610 660 671 732 792 825 900 915 990 1098 1100 1220 1320 1342 1464 1525 1650 1800 1830 1980 2013 2196 2200 2440 2475 2684 2745 3050 3300 3355 3660 3960 4026 4392 4575 4950 5368 5490 6039 6100 6600 6710 7320 8052 9150 9900 10065 10980 12078 12200 13420 13725 16104 16775 17393 18300 19800 20130 21960 24156 26840 27450 30195 33550 34786 36600 40260 48312 50325 52179 54900 60390 67100 69572 80520 86965 100650 104358 109800 120780 134200 139144 150975 156537 173930 191323 201300 208716 241560 260895 301950 313074 347860 382646 402600 417432 434825 521790 573969 603900 626148 695720 765292 782685 869650 956615 1043580 1060973 1147938 1207800 1252296 1304475 1530584 1565370 1721907 1739300 1913230 2087160 2121946 2295876 2608950 2869845 3130740 3182919 3443814 3478600 3826460 3913425 4243892 4591752 4783075 5217900 5304865 5739690 6261480 6365838 6887628 7652920 7826850 8487784 8609535 9548757 9566150 10435800 10609730 11479380 11670703 12731676 13775256 14349225 15653700 15914595 17219070 19097514 19132300 21219460 22958760 23341406 25463352 26524325 28698450 31307400 31829190 34438140 35012109 38195028 38264600 42438920 43047675 46682812 47743785 53048650 57396900 58353515 63658380 68876280 70024218 76390056 79572975 86095350 93365624 95487570 105036327 106097300 114793800 116707030 127316760 140048436 159145950 172190700 175060545 190975140 210072654 212194600 233414060 238718925 280096872 291767575 318291900 344381400 350121090 381950280 420145308 466828120 477437850 525181635 583535150 636583800 700242180 840290616 875302725 954875700 1050363270 1167070300 1400484360 1750605450 1909751400 2100726540 2334140600 2625908175 3501210900 4201453080 5251816350 7002421800 10503632700 21007265400
• Sum of all divisors σ(n): 78229167120
• Sum of proper divisors (its aliquot sum) s(n): 57221901720
• 21007265400 is an abundant number, because the sum of its proper divisors (57221901720) is greater than itself. Its abundance is 36214636320

Bases of 21007265400

• Binary: 10011100100001000010110111001111000₂
• Hexadecimal: 0x4E4216E78
• Base-36: 9NF6LQ0

Squares and roots of 21007265400

• 21007265400 squared (21007265400²) is 441305199586037160000
• 21007265400 cubed (21007265400³) is 9270615450103852754382264000000
• The square root of 21007265400 is 144938.8333056397
• The cube root of 21007265400 is 2759.2423093419

Scales and comparisons

• 21,007,265,400 seconds is equal to 667 years, 50 weeks, 1 day, 15 hours, 30 minutes.
• To count from 1 to 21,007,265,400 would take you about one thousand, three hundred thirty-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 21007265400 cubic inches would be around 229.9 feet tall.

Recreational maths with 21007265400

• 21007265400 backwards is 00456270012
• The number of decimal digits it has is: 11
• The sum of 21007265400's digits is 27
• More coming soon!