21005832960

Names of 21005832960

• Cardinal: 21005832960 can be written as Twenty-one billion, five million, eight hundred thirty-two thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.100583296 × 10¹⁰

Factors of 21005832960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 260506

Divisors of 21005832960

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 160 168 180 192 210 224 240 252 256 280 288 315 320 336 360 384 420 448 480 504 560 576 630 640 672 720 768 840 896 960 1008 1120 1152 1260 1280 1344 1440 1680 1792 1920 2016 2240 2304 2520 2688 2880 3360 3840 4032 4480 5040 5376 5760 6720 8064 8960 10080 11520 13440 16128 20160 26880 40320 80640 260489 520978 781467 1041956 1302445 1562934 1823423 2083912 2344401 2604890 3125868 3646846 3907335 4167824 4688802 5209780 5470269 6251736 7293692 7814670 8335648 9117115 9377604 10419560 10940538 11722005 12503472 14587384 15629340 16410807 16671296 18234230 18755208 20839120 21881076 23444010 25006944 27351345 29174768 31258680 32821614 33342592 36468460 37510416 41678240 43762152 46888020 50013888 54702690 58349536 62517360 65643228 66685184 72936920 75020832 82054035 83356480 87524304 93776040 100027776 109405380 116699072 125034720 131286456 145873840 150041664 164108070 166712960 175048608 187552080 200055552 218810760 233398144 250069440 262572912 291747680 300083328 328216140 333425920 350097216 375104160 437621520 466796288 500138880 525145824 583495360 600166656 656432280 700194432 750208320 875243040 1000277760 1050291648 1166990720 1312864560 1400388864 1500416640 1750486080 2100583296 2333981440 2625729120 3000833280 3500972160 4201166592 5251458240 7001944320 10502916480 21005832960
• Sum of all divisors σ(n): 83060883360
• Sum of proper divisors (its aliquot sum) s(n): 62055050400
• 21005832960 is an abundant number, because the sum of its proper divisors (62055050400) is greater than itself. Its abundance is 41049217440

Bases of 21005832960

• Binary: 10011100100000010111001001100000000₂
• Hexadecimal: 0x4E40B9300
• Base-36: 9NEBWG0

Squares and roots of 21005832960

• 21005832960 squared (21005832960²) is 441245018343422361600
• 21005832960 cubed (21005832960³) is 9268719149754066042498318336000
• The square root of 21005832960 is 144933.8916885903
• The cube root of 21005832960 is 2759.1795923275

Scales and comparisons

• 21,005,832,960 seconds is equal to 667 years, 47 weeks, 6 days, 1 hour, 36 minutes.
• To count from 1 to 21,005,832,960 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 21005832960 cubic inches would be around 229.9 feet tall.

Recreational maths with 21005832960

• 21005832960 backwards is 06923850012
• 21005832960 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21005832960's digits is 36
• More coming soon!