21004485072
21,004,485,072 is an even composite number composed of five prime numbers multiplied together.
21004485072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21004485072:
24 × 3 × 491 × 563 × 1583
(2 × 2 × 2 × 2 × 3 × 491 × 563 × 1583)See below for interesting mathematical facts about the number 21004485072 from the Numbermatics database.
Names of 21004485072
- Cardinal: 21004485072 can be written as Twenty-one billion, four million, four hundred eighty-five thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1004485072 × 1010
Factors of 21004485072
Divisors of 21004485072
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 491 563 982 1126 1473 1583 1689 1964 2252 2946 3166 3378 3928 4504 4749 5892 6332 6756 7856 9008 9498 11784 12664 13512 18996 23568 25328 27024 37992 75984 276433 552866 777253 829299 891229 1105732 1554506 1658598 1782458 2211464 2331759 2673687 3109012 3317196 3564916 4422928 4663518 5347374 6218024 6634392 7129832 9327036 10694748 12436048 13268784 14259664 18654072 21389496 37308144 42778992 437593439 875186878 1312780317 1750373756 2625560634 3500747512 5251121268 7001495024 10502242536 21004485072
- Sum of all divisors σ(n): 54503083008
- Sum of proper divisors (its aliquot sum) s(n): 33498597936
- 21004485072 is an abundant number, because the sum of its proper divisors (33498597936) is greater than itself. Its abundance is 12494112864
Bases of 21004485072
- Binary: 100111000111111011100000001110100002
- Hexadecimal: 0x4E3F701D0
- Base-36: 9NDJ0EO
Squares and roots of 21004485072
- 21004485072 squared (210044850722) is 441188393139870845184
- 21004485072 cubed (210044850723) is 9266935017646084375675351093248
-
The
square root of 21004485072 is 144929.2416043085 -
The
cube root of 21004485072 is 2759.1205746789
Scales and comparisons
How big is 21004485072?- 21,004,485,072 seconds is equal to 667 years, 45 weeks, 4 days, 11 hours, 11 minutes, 12 seconds.
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To count from 1 to 21,004,485,072 would take you about one thousand, three hundred thirty-five 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 21004485072 cubic inches would be around 229.9 feet tall.
Recreational maths with 21004485072
- 21004485072 backwards is 27058440012
- The number of decimal digits it has is: 11
- The sum of 21004485072's digits is 33
- More coming soon!
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