21013389948
21,013,389,948 is an even composite number composed of five prime numbers multiplied together.
21013389948 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 21013389948:
22 × 3 × 19 × 991 × 93001
(2 × 2 × 3 × 19 × 991 × 93001)See below for interesting mathematical facts about the number 21013389948 from the Numbermatics database.
Names of 21013389948
- Cardinal: 21013389948 can be written as Twenty-one billion, thirteen million, three hundred eighty-nine thousand, nine hundred forty-eight.
Scientific notation
- Scientific notation: 2.1013389948 × 1010
Factors of 21013389948
Divisors of 21013389948
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 3 4 6 12 19 38 57 76 114 228 991 1982 2973 3964 5946 11892 18829 37658 56487 75316 93001 112974 186002 225948 279003 372004 558006 1116012 1767019 3534038 5301057 7068076 10602114 21204228 92163991 184327982 276491973 368655964 552983946 1105967892 1751115829 3502231658 5253347487 7004463316 10506694974 21013389948
- Sum of all divisors σ(n): 51664471040
- Sum of proper divisors (its aliquot sum) s(n): 30651081092
- 21013389948 is an abundant number, because the sum of its proper divisors (30651081092) is greater than itself. Its abundance is 9637691144
Bases of 21013389948
- Binary: 100111001000111111011100010011111002
- Hexadecimal: 0x4E47EE27C
- Base-36: 9NITVGC
Squares and roots of 21013389948
- 21013389948 squared (210133899482) is 441562557106707442704
- 21013389948 cubed (210133899483) is 9278726198919262139893019539392
-
The
square root of 21013389948 is 144959.9598095971 -
The
cube root of 21013389948 is 2759.5104303885
Scales and comparisons
How big is 21013389948?- 21,013,389,948 seconds is equal to 668 years, 8 weeks, 2 days, 12 hours, 45 minutes, 48 seconds.
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To count from 1 to 21,013,389,948 would take you about one thousand, three hundred thirty-six 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 21013389948 cubic inches would be around 230 feet tall.
Recreational maths with 21013389948
- 21013389948 backwards is 84998331012
- The number of decimal digits it has is: 11
- The sum of 21013389948's digits is 48
- More coming soon!
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