72129008840
72,129,008,840 is an even composite number composed of five prime numbers multiplied together.
72129008840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 72129008840:
23 × 5 × 7 × 401 × 642403
(2 × 2 × 2 × 5 × 7 × 401 × 642403)See below for interesting mathematical facts about the number 72129008840 from the Numbermatics database.
Names of 72129008840
- Cardinal: 72129008840 can be written as Seventy-two billion, one hundred twenty-nine million, eight thousand, eight hundred forty.
Scientific notation
- Scientific notation: 7.212900884 × 1010
Factors of 72129008840
Divisors of 72129008840
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 401 802 1604 2005 2807 3208 4010 5614 8020 11228 14035 16040 22456 28070 56140 112280 642403 1284806 2569612 3212015 4496821 5139224 6424030 8993642 12848060 17987284 22484105 25696120 35974568 44968210 89936420 179872840 257603603 515207206 1030414412 1288018015 1803225221 2060828824 2576036030 3606450442 5152072060 7212900884 9016126105 10304144120 14425801768 18032252210 36064504420 72129008840
- Sum of all divisors σ(n): 185937413760
- Sum of proper divisors (its aliquot sum) s(n): 113808404920
- 72129008840 is an abundant number, because the sum of its proper divisors (113808404920) is greater than itself. Its abundance is 41679396080
Bases of 72129008840
- Binary: 10000110010110011100101010100110010002
- Hexadecimal: 0x10CB3954C8
- Base-36: X4VQZEW
Squares and roots of 72129008840
- 72129008840 squared (721290088402) is 5202593916240798145600
- 72129008840 cubed (721290088403) is 375257942575462749012638007104000
-
The
square root of 72129008840 is 268568.4434925295 -
The
cube root of 72129008840 is 4162.6508783759
Scales and comparisons
How big is 72129008840?- 72,129,008,840 seconds is equal to 2,293 years, 24 weeks, 6 days, 11 hours, 47 minutes, 20 seconds.
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To count from 1 to 72,129,008,840 would take you about four thousand, five hundred eighty-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 72129008840 cubic inches would be around 346.9 feet tall.
Recreational maths with 72129008840
- 72129008840 backwards is 04880092127
- The number of decimal digits it has is: 11
- The sum of 72129008840's digits is 41
- More coming soon!
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