21727479040

Names of 21727479040

• Cardinal: 21727479040 can be written as Twenty-one billion, seven hundred twenty-seven million, four hundred seventy-nine thousand and forty.

Scientific notation

• Scientific notation: 2.172747904 × 10¹⁰

Factors of 21727479040

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 264

Divisors of 21727479040

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 257 320 514 640 1028 1280 1285 2056 2570 4112 5140 8224 10280 16448 20560 32896 41120 65792 66049 82240 132098 164480 264196 328960 330245 528392 660490 1056784 1320980 2113568 2641960 4227136 5283920 8454272 10567840 16908544 16974593 21135680 33949186 42271360 67898372 84542720 84872965 135796744 169745930 271593488 339491860 543186976 678983720 1086373952 1357967440 2172747904 2715934880 4345495808 5431869760 10863739520 21727479040
• Sum of all divisors σ(n): 52247399400
• Sum of proper divisors (its aliquot sum) s(n): 30519920360
• 21727479040 is an abundant number, because the sum of its proper divisors (30519920360) is greater than itself. Its abundance is 8792441320

Bases of 21727479040

• Binary: 10100001111000011110000010100000000₂
• Hexadecimal: 0x50F0F0500
• Base-36: 9ZBZA4G

Squares and roots of 21727479040

• 21727479040 squared (21727479040²) is 472083345433639321600
• 21727479040 cubed (21727479040³) is 10257180993042478070983819264000
• The square root of 21727479040 is 147402.4390571607
• The cube root of 21727479040 is 2790.4213098595

Scales and comparisons

• 21,727,479,040 seconds is equal to 690 years, 45 weeks, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 21,727,479,040 would take you about one thousand, three hundred eighty-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 21727479040 cubic inches would be around 232.5 feet tall.

Recreational maths with 21727479040

• 21727479040 backwards is 04097472712
• The number of decimal digits it has is: 11
• The sum of 21727479040's digits is 43
• More coming soon!