21221378070
21,221,378,070 is an even composite number composed of six prime numbers multiplied together.
21221378070 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21221378070:
2 × 3 × 5 × 307 × 1103 × 2089
See below for interesting mathematical facts about the number 21221378070 from the Numbermatics database.
Names of 21221378070
- Cardinal: 21221378070 can be written as Twenty-one billion, two hundred twenty-one million, three hundred seventy-eight thousand and seventy.
Scientific notation
- Scientific notation: 2.122137807 × 1010
Factors of 21221378070
Divisors of 21221378070
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 15 30 307 614 921 1103 1535 1842 2089 2206 3070 3309 4178 4605 5515 6267 6618 9210 10445 11030 12534 16545 20890 31335 33090 62670 338621 641323 677242 1015863 1282646 1693105 1923969 2031726 2304167 3206615 3386210 3847938 4608334 5079315 6413230 6912501 9619845 10158630 11520835 13825002 19239690 23041670 34562505 69125010 707379269 1414758538 2122137807 3536896345 4244275614 7073792690 10610689035 21221378070
- Sum of all divisors σ(n): 51168015360
- Sum of proper divisors (its aliquot sum) s(n): 29946637290
- 21221378070 is an abundant number, because the sum of its proper divisors (29946637290) is greater than itself. Its abundance is 8725259220
Bases of 21221378070
- Binary: 100111100001110010010001000000101102
- Hexadecimal: 0x4F0E48816
- Base-36: 9QYNS46
Squares and roots of 21221378070
- 21221378070 squared (212213780702) is 450346887189876924900
- 21221378070 cubed (212213780703) is 9556981555704018100071896943000
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The
square root of 21221378070 is 145675.5918814129 -
The
cube root of 21221378070 is 2768.5849954271
Scales and comparisons
How big is 21221378070?- 21,221,378,070 seconds is equal to 674 years, 40 weeks, 1 day, 19 hours, 14 minutes, 30 seconds.
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To count from 1 to 21,221,378,070 would take you about one thousand, three hundred forty-nine 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 21221378070 cubic inches would be around 230.7 feet tall.
Recreational maths with 21221378070
- 21221378070 backwards is 07087312212
- The number of decimal digits it has is: 11
- The sum of 21221378070's digits is 33
- More coming soon!
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