39379990
39,379,990 is an even composite number composed of six prime numbers multiplied together.
39379990 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 39379990:
2 × 5 × 13 × 17 × 103 × 173
See below for interesting mathematical facts about the number 39379990 from the Numbermatics database.
Names of 39379990
- Cardinal: 39379990 can be written as Thirty-nine million, three hundred seventy-nine thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 3.937999 × 107
Factors of 39379990
Divisors of 39379990
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 5 10 13 17 26 34 65 85 103 130 170 173 206 221 346 442 515 865 1030 1105 1339 1730 1751 2210 2249 2678 2941 3502 4498 5882 6695 8755 11245 13390 14705 17510 17819 22490 22763 29410 35638 38233 45526 76466 89095 113815 178190 191165 227630 231647 302923 382330 463294 605846 1158235 1514615 2316470 3029230 3937999 7875998 19689995 39379990
- Sum of all divisors σ(n): 82083456
- Sum of proper divisors (its aliquot sum) s(n): 42703466
- 39379990 is an abundant number, because the sum of its proper divisors (42703466) is greater than itself. Its abundance is 3323476
Bases of 39379990
- Binary: 100101100011100100000101102
- Hexadecimal: 0x258E416
- Base-36: NG1SM
Squares and roots of 39379990
- 39379990 squared (393799902) is 1550783612400100
- 39379990 cubed (393799903) is 61069843148479813999000
-
The
square root of 39379990 is 6275.3477991265 -
The
cube root of 39379990 is 340.2189765851
Scales and comparisons
How big is 39379990?- 39,379,990 seconds is equal to 1 year, 13 weeks, 18 hours, 53 minutes, 10 seconds.
-
To count from 1 to 39,379,990 would take you about forty-five weeks!
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 39379990 cubic inches would be around 28.4 feet tall.
Recreational maths with 39379990
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