27997718385
27,997,718,385 is an odd composite number composed of five prime numbers multiplied together.
27997718385 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 27997718385:
3 × 5 × 7 × 13 × 295
(3 × 5 × 7 × 13 × 29 × 29 × 29 × 29 × 29)See below for interesting mathematical facts about the number 27997718385 from the Numbermatics database.
Names of 27997718385
- Cardinal: 27997718385 can be written as Twenty-seven billion, nine hundred ninety-seven million, seven hundred eighteen thousand, three hundred eighty-five.
Scientific notation
- Scientific notation: 2.7997718385 × 1010
Factors of 27997718385
Divisors of 27997718385
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 5 7 13 15 21 29 35 39 65 87 91 105 145 195 203 273 377 435 455 609 841 1015 1131 1365 1885 2523 2639 3045 4205 5655 5887 7917 10933 12615 13195 17661 24389 29435 32799 39585 54665 73167 76531 88305 121945 163995 170723 229593 317057 365835 382655 512169 707281 853615 951171 1147965 1585285 2121843 2219399 2560845 3536405 4755855 4950967 6658197 9194653 10609215 11096995 14852901 20511149 24754835 27583959 33290985 45973265 61533447 64362571 74264505 102555745 137919795 143578043 193087713 266644937 307667235 321812855 430734129 717890215 799934811 965438565 1333224685 1866514559 2153670645 3999674055 5599543677 9332572795 27997718385
- Sum of all divisors σ(n): 57103038720
- Sum of proper divisors (its aliquot sum) s(n): 29105320335
- 27997718385 is an abundant number, because the sum of its proper divisors (29105320335) is greater than itself. Its abundance is 1107601950
Bases of 27997718385
- Binary: 110100001001100101101000111011100012
- Hexadecimal: 0x684CB4771
- Base-36: CV149RL
Squares and roots of 27997718385
- 27997718385 squared (279977183852) is 783872234765767008225
- 27997718385 cubed (279977183853) is 21946634078792551134807528716625
-
The
square root of 27997718385 is 167325.1875391149 -
The
cube root of 27997718385 is 3036.5064895525
Scales and comparisons
How big is 27997718385?- 27,997,718,385 seconds is equal to 890 years, 12 weeks, 3 days, 15 hours, 59 minutes, 45 seconds.
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To count from 1 to 27,997,718,385 would take you about one thousand, seven hundred eighty 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 27997718385 cubic inches would be around 253 feet tall.
Recreational maths with 27997718385
- 27997718385 backwards is 58381779972
- The number of decimal digits it has is: 11
- The sum of 27997718385's digits is 66
- More coming soon!
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