21723843712

Names of 21723843712

• Cardinal: 21723843712 can be written as Twenty-one billion, seven hundred twenty-three million, eight hundred forty-three thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1723843712 × 10¹⁰

Factors of 21723843712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2470

Divisors of 21723843712

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 23 31 32 46 62 64 92 103 124 128 184 206 248 368 412 496 713 736 824 992 1426 1472 1648 1984 2311 2369 2852 2944 3193 3296 3968 4622 4738 5704 6386 6592 9244 9476 11408 12772 13184 18488 18952 22816 25544 36976 37904 45632 51088 53153 71641 73439 73952 75808 91264 102176 106306 143282 146878 147904 151616 204352 212612 238033 286564 293756 295808 303232 408704 425224 476066 573128 587512 850448 952132 1146256 1175024 1647743 1700896 1904264 2292512 2350048 3295486 3401792 3808528 4585024 4700096 5474759 6590972 6803584 7379023 7617056 9170048 9400192 10949518 13181944 14758046 15234112 21899036 26363888 29516092 30468224 43798072 52727776 59032184 87596144 105455552 118064368 169717529 175192288 210911104 236128736 339435058 350384576 472257472 678870116 700769152 944514944 1357740232 2715480464 5430960928 10861921856 21723843712
• Sum of all divisors σ(n): 47089336320
• Sum of proper divisors (its aliquot sum) s(n): 25365492608
• 21723843712 is an abundant number, because the sum of its proper divisors (25365492608) is greater than itself. Its abundance is 3641648896

Bases of 21723843712

• Binary: 10100001110110101111000110010000000₂
• Hexadecimal: 0x50ED78C80
• Base-36: 9Z9TD34

Squares and roots of 21723843712

• 21723843712 squared (21723843712²) is 471925385623401938944
• 21723843712 cubed (21723843712³) is 10252033321008115411377222320128
• The square root of 21723843712 is 147390.1072392581
• The cube root of 21723843712 is 2790.2656749529

Scales and comparisons

• 21,723,843,712 seconds is equal to 690 years, 39 weeks, 9 hours, 1 minute, 52 seconds.
• To count from 1 to 21,723,843,712 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 21723843712 cubic inches would be around 232.5 feet tall.

Recreational maths with 21723843712

• 21723843712 backwards is 21734832712
• The number of decimal digits it has is: 11
• The sum of 21723843712's digits is 40
• More coming soon!