138450868240
138,450,868,240 is an even composite number composed of five prime numbers multiplied together.
138450868240 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 138450868240:
24 × 5 × 17 × 31 × 3283939
(2 × 2 × 2 × 2 × 5 × 17 × 31 × 3283939)See below for interesting mathematical facts about the number 138450868240 from the Numbermatics database.
Names of 138450868240
- Cardinal: 138450868240 can be written as One hundred thirty-eight billion, four hundred fifty million, eight hundred sixty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3845086824 × 1011
Factors of 138450868240
Divisors of 138450868240
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 31 34 40 62 68 80 85 124 136 155 170 248 272 310 340 496 527 620 680 1054 1240 1360 2108 2480 2635 4216 5270 8432 10540 21080 42160 3283939 6567878 13135756 16419695 26271512 32839390 52543024 55826963 65678780 101802109 111653926 131357560 203604218 223307852 262715120 279134815 407208436 446615704 509010545 558269630 814416872 893231408 1018021090 1116539260 1628833744 1730635853 2036042180 2233078520 3461271706 4072084360 4466157040 6922543412 8144168720 8653179265 13845086824 17306358530 27690173648 34612717060 69225434120 138450868240
- Sum of all divisors σ(n): 351828195840
- Sum of proper divisors (its aliquot sum) s(n): 213377327600
- 138450868240 is an abundant number, because the sum of its proper divisors (213377327600) is greater than itself. Its abundance is 74926459360
Bases of 138450868240
- Binary: 100000001111000101000010011000000100002
- Hexadecimal: 0x203C509810
- Base-36: 1RLQ2LN4
Squares and roots of 138450868240
- 138450868240 squared (1384508682402) is 19168642916409840697600
- 138450868240 cubed (1384508682403) is 2653915254759468188262807284224000
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The
square root of 138450868240 is 372089.8658120105 -
The
cube root of 138450868240 is 5173.2709820767
Scales and comparisons
How big is 138450868240?- 138,450,868,240 seconds is equal to 4,402 years, 16 weeks, 14 hours, 30 minutes, 40 seconds.
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To count from 1 to 138,450,868,240 would take you about eight thousand, eight hundred four 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 138450868240 cubic inches would be around 431.1 feet tall.
Recreational maths with 138450868240
- 138450868240 backwards is 042868054831
- The number of decimal digits it has is: 12
- The sum of 138450868240's digits is 49
- More coming soon!
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