21729829453125
21,729,829,453,125 is an odd composite number composed of four prime numbers multiplied together.
21729829453125 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21729829453125:
3 × 57 × 19 × 474
(3 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 19 × 47 × 47 × 47 × 47)See below for interesting mathematical facts about the number 21729829453125 from the Numbermatics database.
Names of 21729829453125
- Cardinal: 21729829453125 can be written as Twenty-one trillion, seven hundred twenty-nine billion, eight hundred twenty-nine million, four hundred fifty-three thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1729829453125 × 1013
Factors of 21729829453125
Divisors of 21729829453125
- Number of divisors d(n): 160
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Complete list of divisors:
1 3 5 15 19 25 47 57 75 95 125 141 235 285 375 475 625 705 893 1175 1425 1875 2209 2375 2679 3125 3525 4465 5875 6627 7125 9375 11045 11875 13395 15625 17625 22325 29375 33135 35625 41971 46875 55225 59375 66975 78125 88125 103823 111625 125913 146875 165675 178125 209855 234375 276125 296875 311469 334875 440625 519115 558125 629565 734375 828375 890625 1049275 1380625 1484375 1557345 1674375 1972637 2203125 2595575 2790625 3147825 3671875 4141875 4453125 4879681 5246375 5917911 6903125 7786725 8371875 9863185 11015625 12977875 13953125 14639043 15739125 20709375 24398405 26231875 29589555 34515625 38933625 41859375 49315925 64889375 69765625 73195215 78695625 92713939 103546875 121992025 131159375 147947775 172578125 194668125 209296875 246579625 278141817 324446875 365976075 393478125 463569695 517734375 609960125 655796875 739738875 973340625 1232898125 1390709085 1622234375 1829880375 1967390625 2317848475 3049800625 3278984375 3698694375 4866703125 6164490625 6953545425 8111171875 9149401875 9836953125 11589242375 15249003125 18493471875 24333515625 30822453125 34767727125 45747009375 57946211875 76245015625 92467359375 154112265625 173838635625 228735046875 289731059375 381225078125 462336796875 869193178125 1143675234375 1448655296875 4345965890625 7243276484375 21729829453125
- Sum of all divisors σ(n): 38951158097280
- Sum of proper divisors (its aliquot sum) s(n): 17221328644155
- 21729829453125 is a deficient number, because the sum of its proper divisors (17221328644155) is less than itself. Its deficiency is 4508500808970
Bases of 21729829453125
- Binary: 1001111000011010111101100001111111101010001012
- Hexadecimal: 0x13C35EC3FD45
- Base-36: 7PAJNEPTX
Squares and roots of 21729829453125
- 21729829453125 squared (217298294531252) is 472185488061898736572265625
- 21729829453125 cubed (217298294531253) is 10260510125825650239079243183135986328125
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The
square root of 21729829453125 is 4661526.5153300373 -
The
cube root of 21729829453125 is 27905.2192601747
Scales and comparisons
How big is 21729829453125?- 21,729,829,453,125 seconds is equal to 690,941 years, 18 weeks, 5 days, 16 hours, 58 minutes, 45 seconds.
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To count from 1 to 21,729,829,453,125 would take you about one million, seven hundred twenty-seven thousand, three hundred fifty-three 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 21729829453125 cubic inches would be around 2325.4 feet tall.
Recreational maths with 21729829453125
- 21729829453125 backwards is 52135492892712
- The number of decimal digits it has is: 14
- The sum of 21729829453125's digits is 60
- More coming soon!
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