21425766400

Names of 21425766400

• Cardinal: 21425766400 can be written as Twenty-one billion, four hundred twenty-five million, seven hundred sixty-six thousand, four hundred.

Scientific notation

• Scientific notation: 2.14257664 × 10¹⁰

Factors of 21425766400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 205

Divisors of 21425766400

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 128 136 160 170 181 200 256 272 289 320 340 362 400 425 512 544 578 640 680 724 800 850 905 1024 1088 1156 1280 1360 1445 1448 1600 1700 1810 2048 2176 2312 2560 2720 2890 2896 3077 3200 3400 3620 4096 4352 4525 4624 5120 5440 5780 5792 6154 6400 6800 7225 7240 8192 8704 9050 9248 10240 10880 11560 11584 12308 12800 13600 14450 14480 15385 16384 17408 18100 18496 20480 21760 23120 23168 24616 25600 27200 28900 28960 30770 34816 36200 36992 40960 43520 46240 46336 49232 51200 52309 54400 57800 57920 61540 69632 72400 73984 76925 81920 87040 92480 92672 98464 102400 104618 108800 115600 115840 123080 139264 144800 147968 153850 174080 184960 185344 196928 204800 209236 217600 231200 231680 246160 261545 278528 289600 295936 307700 348160 369920 370688 393856 409600 418472 435200 462400 463360 492320 523090 579200 591872 615400 696320 739840 741376 787712 836944 870400 924800 926720 984640 1046180 1158400 1183744 1230800 1307725 1392640 1479680 1482752 1575424 1673888 1740800 1849600 1853440 1969280 2092360 2316800 2367488 2461600 2615450 2959360 2965504 3150848 3347776 3481600 3699200 3706880 3938560 4184720 4633600 4734976 4923200 5230900 5918720 6301696 6695552 6963200 7398400 7413760 7877120 8369440 9267200 9846400 10461800 11837440 12603392 13391104 14796800 14827520 15754240 16738880 18534400 19692800 20923600 23674880 25206784 26782208 29593600 31508480 33477760 37068800 39385600 41847200 50413568 53564416 59187200 63016960 66955520 74137600 78771200 83694400 107128832 118374400 126033920 133911040 157542400 167388800 214257664 252067840 267822080 315084800 334777600 428515328 535644160 630169600 669555200 857030656 1071288320 1260339200 1339110400 2142576640 2678220800 4285153280 5356441600 10712883200 21425766400
• Sum of all divisors σ(n): 56755524098
• Sum of proper divisors (its aliquot sum) s(n): 35329757698
• 21425766400 is an abundant number, because the sum of its proper divisors (35329757698) is greater than itself. Its abundance is 13903991298

Bases of 21425766400

• Binary: 10011111101000100110100000000000000₂
• Hexadecimal: 0x4FD134000
• Base-36: 9UCCJ5S

Squares and roots of 21425766400

• 21425766400 squared (21425766400²) is 459063465827368960000
• 21425766400 cubed (21425766400³) is 9835786581591590063570944000000
• The square root of 21425766400 is 146375.4296321619
• The cube root of 21425766400 is 2777.4449204477

Scales and comparisons

• 21,425,766,400 seconds is equal to 681 years, 14 weeks, 1 day, 9 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,425,766,400 would take you about one thousand, three hundred sixty-two 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 21425766400 cubic inches would be around 231.5 feet tall.

Recreational maths with 21425766400

• 21425766400 backwards is 00466752412
• The number of decimal digits it has is: 11
• The sum of 21425766400's digits is 37
• More coming soon!