39906972
39,906,972 is an even composite number composed of four prime numbers multiplied together.
39906972 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 39906972:
22 × 33 × 72 × 7541
(2 × 2 × 3 × 3 × 3 × 7 × 7 × 7541)See below for interesting mathematical facts about the number 39906972 from the Numbermatics database.
Names of 39906972
- Cardinal: 39906972 can be written as Thirty-nine million, nine hundred six thousand, nine hundred seventy-two.
Scientific notation
- Scientific notation: 3.9906972 × 107
Factors of 39906972
Divisors of 39906972
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 378 441 588 756 882 1323 1764 2646 5292 7541 15082 22623 30164 45246 52787 67869 90492 105574 135738 158361 203607 211148 271476 316722 369509 407214 475083 633444 739018 814428 950166 1108527 1425249 1478036 1900332 2217054 2850498 3325581 4434108 5700996 6651162 9976743 13302324 19953486 39906972
- Sum of all divisors σ(n): 120370320
- Sum of proper divisors (its aliquot sum) s(n): 80463348
- 39906972 is an abundant number, because the sum of its proper divisors (80463348) is greater than itself. Its abundance is 40556376
Bases of 39906972
- Binary: 100110000011101110100111002
- Hexadecimal: 0x260EE9C
- Base-36: NRCF0
Squares and roots of 39906972
- 39906972 squared (399069722) is 1592566414208784
- 39906972 cubed (399069723) is 63554503299970345242048
-
The
square root of 39906972 is 6317.1965301073 -
The
cube root of 39906972 is 341.7298574641
Scales and comparisons
How big is 39906972?- 39,906,972 seconds is equal to 1 year, 13 weeks, 6 days, 21 hours, 16 minutes, 12 seconds.
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To count from 1 to 39,906,972 would take you about forty-six 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 39906972 cubic inches would be around 28.5 feet tall.
Recreational maths with 39906972
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