21399667200

Names of 21399667200

• Cardinal: 21399667200 can be written as Twenty-one billion, three hundred ninety-nine million, six hundred sixty-seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.13996672 × 10¹⁰

Factors of 21399667200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 441

Divisors of 21399667200

• Number of divisors d(n): 270
• 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 96 100 120 128 144 150 160 180 192 200 225 240 256 288 300 320 360 384 400 431 450 480 512 576 600 640 720 768 800 862 900 960 1152 1200 1280 1293 1440 1536 1600 1724 1800 1920 2155 2304 2400 2560 2586 2880 3200 3448 3600 3840 3879 4310 4608 4800 5172 5760 6400 6465 6896 7200 7680 7758 8620 9600 10344 10775 11520 12800 12930 13792 14400 15516 17240 19200 19395 20688 21550 23040 25860 27584 28800 31032 32325 34480 38400 38790 41376 43100 51720 55168 57600 62064 64650 68960 77580 82752 86200 96975 103440 110336 115200 124128 129300 137920 155160 165504 172400 185761 193950 206880 220672 248256 258600 275840 310320 331008 344800 371522 387900 413760 496512 517200 551680 557283 620640 662016 689600 743044 775800 827520 928805 993024 1034400 1103360 1114566 1241280 1379200 1486088 1551600 1655040 1671849 1857610 1986048 2068800 2229132 2482560 2758400 2786415 2972176 3103200 3310080 3343698 3715220 4137600 4458264 4644025 4965120 5516800 5572830 5944352 6206400 6687396 7430440 8275200 8359245 8916528 9288050 9930240 11145660 11888704 12412800 13374792 13932075 14860880 16550400 16718490 17833056 18576100 22291320 23777408 24825600 26749584 27864150 29721760 33436980 35666112 37152200 41796225 44582640 47554816 49651200 53499168 55728300 59443520 66873960 71332224 74304400 83592450 89165280 95109632 106998336 111456600 118887040 133747920 142664448 148608800 167184900 178330560 213996672 222913200 237774080 267495840 285328896 297217600 334369800 356661120 427993344 445826400 475548160 534991680 594435200 668739600 713322240 855986688 891652800 1069983360 1188870400 1337479200 1426644480 1783305600 2139966720 2377740800 2674958400 3566611200 4279933440 5349916800 7133222400 10699833600 21399667200
• Sum of all divisors σ(n): 76761601917
• Sum of proper divisors (its aliquot sum) s(n): 55361934717
• 21399667200 is an abundant number, because the sum of its proper divisors (55361934717) is greater than itself. Its abundance is 33962267517

Bases of 21399667200

• Binary: 10011111011100001010000001000000000₂
• Hexadecimal: 0x4FB850200
• Base-36: 9TWT4W0

Squares and roots of 21399667200

• 21399667200 squared (21399667200²) is 457945756270755840000
• 21399667200 cubed (21399667200³) is 9799886779846488068456448000000
• The square root of 21399667200 is 146286.2508918729
• The cube root of 21399667200 is 2776.3167065241

Scales and comparisons

• 21,399,667,200 seconds is equal to 680 years, 23 weeks, 8 hours.
• To count from 1 to 21,399,667,200 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 21399667200 cubic inches would be around 231.4 feet tall.

Recreational maths with 21399667200

• 21399667200 backwards is 00276699312
• 21399667200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21399667200's digits is 45
• More coming soon!