21403756800

Names of 21403756800

• Cardinal: 21403756800 can be written as Twenty-one billion, four hundred three million, seven hundred fifty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14037568 × 10¹⁰

Factors of 21403756800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2244

Divisors of 21403756800

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 181 192 200 225 240 256 288 300 320 360 362 384 400 450 480 543 576 600 640 720 724 768 800 900 905 960 1086 1152 1200 1280 1440 1448 1600 1629 1800 1810 1920 2053 2172 2304 2400 2715 2880 2896 3200 3258 3600 3620 3840 4106 4344 4525 4800 5430 5760 5792 6159 6400 6516 7200 7240 8145 8212 8688 9050 9600 10265 10860 11520 11584 12318 13032 13575 14400 14480 16290 16424 17376 18100 18477 19200 20530 21720 23168 24636 26064 27150 28800 28960 30795 32580 32848 34752 36200 36954 40725 41060 43440 46336 49272 51325 52128 54300 57600 57920 61590 65160 65696 69504 72400 73908 81450 82120 86880 92385 98544 102650 104256 108600 115840 123180 130320 131392 139008 144800 147816 153975 162900 164240 173760 184770 197088 205300 208512 217200 231680 246360 260640 262784 289600 295632 307950 325800 328480 347520 369540 371593 394176 410600 417024 434400 461925 492720 521280 525568 579200 591264 615900 651600 656960 695040 739080 743186 788352 821200 868800 923850 985440 1042560 1114779 1158400 1182528 1231800 1303200 1313920 1478160 1486372 1576704 1642400 1737600 1847700 1857965 1970880 2085120 2229558 2365056 2463600 2606400 2627840 2956320 2972744 3284800 3344337 3475200 3695400 3715930 3941760 4459116 4730112 4927200 5212800 5573895 5912640 5945488 6569600 6688674 7390800 7431860 7883520 8918232 9289825 9854400 10425600 11147790 11825280 11890976 13139200 13377348 14781600 14863720 16721685 17836464 18579650 19708800 22295580 23650560 23781952 26754696 27869475 29563200 29727440 33443370 35672928 37159300 39417600 44591160 47563904 53509392 55738950 59126400 59454880 66886740 71345856 74318600 83608425 89182320 95127808 107018784 111477900 118252800 118909760 133773480 142691712 148637200 167216850 178364640 214037568 222955800 237819520 267546960 285383424 297274400 334433700 356729280 428075136 445911600 475639040 535093920 594548800 668867400 713458560 856150272 891823200 1070187840 1189097600 1337734800 1426917120 1783646400 2140375680 2378195200 2675469600 3567292800 4280751360 5350939200 7134585600 10701878400 21403756800
• Sum of all divisors σ(n): 76983521524
• Sum of proper divisors (its aliquot sum) s(n): 55579764724
• 21403756800 is an abundant number, because the sum of its proper divisors (55579764724) is greater than itself. Its abundance is 34176007924

Bases of 21403756800

• Binary: 10011111011110000110110100100000000₂
• Hexadecimal: 0x4FBC36900
• Base-36: 9TZ8SG0

Squares and roots of 21403756800

• 21403756800 squared (21403756800²) is 458120805153546240000
• 21403756800 cubed (21403756800³) is 9805506298526690378514432000000
• The square root of 21403756800 is 146300.2282978397
• The cube root of 21403756800 is 2776.4935519785

Scales and comparisons

• 21,403,756,800 seconds is equal to 680 years, 29 weeks, 5 days, 16 hours.
• To count from 1 to 21,403,756,800 would take you about one thousand, three hundred sixty-one 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 21403756800 cubic inches would be around 231.4 feet tall.

Recreational maths with 21403756800

• 21403756800 backwards is 00865730412
• 21403756800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21403756800's digits is 36
• More coming soon!