39942885990
39,942,885,990 is an even composite number composed of six prime numbers multiplied together.
39942885990 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 39942885990:
2 × 3 × 5 × 7 × 2221 × 85639
See below for interesting mathematical facts about the number 39942885990 from the Numbermatics database.
Names of 39942885990
- Cardinal: 39942885990 can be written as Thirty-nine billion, nine hundred forty-two million, eight hundred eighty-five thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 3.994288599 × 1010
Factors of 39942885990
Divisors of 39942885990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2221 4442 6663 11105 13326 15547 22210 31094 33315 46641 66630 77735 85639 93282 155470 171278 233205 256917 428195 466410 513834 599473 856390 1198946 1284585 1798419 2569170 2997365 3596838 5994730 8992095 17984190 190204219 380408438 570612657 951021095 1141225314 1331429533 1902042190 2662859066 2853063285 3994288599 5706126570 6657147665 7988577198 13314295330 19971442995 39942885990
- Sum of all divisors σ(n): 109608238080
- Sum of proper divisors (its aliquot sum) s(n): 69665352090
- 39942885990 is an abundant number, because the sum of its proper divisors (69665352090) is greater than itself. Its abundance is 29722466100
Bases of 39942885990
- Binary: 1001010011001100100000010010011001102
- Hexadecimal: 0x94CC81266
- Base-36: ICKYO2U
Squares and roots of 39942885990
- 39942885990 squared (399428859902) is 1595434141210138280100
- 39942885990 cubed (399428859903) is 63726244006910113954168985799000
-
The
square root of 39942885990 is 199857.1639696709 -
The
cube root of 39942885990 is 3418.3233916333
Scales and comparisons
How big is 39942885990?- 39,942,885,990 seconds is equal to 1,270 years, 3 weeks, 22 hours, 6 minutes, 30 seconds.
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To count from 1 to 39,942,885,990 would take you about two thousand, five hundred forty 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 39942885990 cubic inches would be around 284.9 feet tall.
Recreational maths with 39942885990
- 39942885990 backwards is 09958824993
- The number of decimal digits it has is: 11
- The sum of 39942885990's digits is 66
- More coming soon!
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