30139904
30,139,904 is an even composite number composed of three prime numbers multiplied together.
30139904 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 30139904:
29 × 372 × 43
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 37 × 37 × 43)See below for interesting mathematical facts about the number 30139904 from the Numbermatics database.
Names of 30139904
- Cardinal: 30139904 can be written as Thirty million, one hundred thirty-nine thousand, nine hundred four.
Scientific notation
- Scientific notation: 3.0139904 × 107
Factors of 30139904
Divisors of 30139904
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 4 8 16 32 37 43 64 74 86 128 148 172 256 296 344 512 592 688 1184 1369 1376 1591 2368 2738 2752 3182 4736 5476 5504 6364 9472 10952 11008 12728 18944 21904 22016 25456 43808 50912 58867 87616 101824 117734 175232 203648 235468 350464 407296 470936 700928 814592 941872 1883744 3767488 7534976 15069952 30139904
- Sum of all divisors σ(n): 63331884
- Sum of proper divisors (its aliquot sum) s(n): 33191980
- 30139904 is an abundant number, because the sum of its proper divisors (33191980) is greater than itself. Its abundance is 3052076
Bases of 30139904
- Binary: 11100101111100110000000002
- Hexadecimal: 0x1CBE600
- Base-36: HY03K
Squares and roots of 30139904
- 30139904 squared (301399042) is 908413813129216
- 30139904 cubed (301399043) is 27379505119988509835264
-
The
square root of 30139904 is 5489.9821493335 -
The
cube root of 30139904 is 311.2055175323
Scales and comparisons
How big is 30139904?- 30,139,904 seconds is equal to 49 weeks, 5 days, 20 hours, 11 minutes, 44 seconds.
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To count from 1 to 30,139,904 would take you about twenty-two 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 30139904 cubic inches would be around 25.9 feet tall.
Recreational maths with 30139904
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