30639960
30,639,960 is an even composite number composed of five prime numbers multiplied together.
30639960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 30639960:
23 × 32 × 5 × 13 × 6547
(2 × 2 × 2 × 3 × 3 × 5 × 13 × 6547)See below for interesting mathematical facts about the number 30639960 from the Numbermatics database.
Names of 30639960
- Cardinal: 30639960 can be written as Thirty million, six hundred thirty-nine thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 3.063996 × 107
Factors of 30639960
Divisors of 30639960
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1170 1560 2340 4680 6547 13094 19641 26188 32735 39282 52376 58923 65470 78564 85111 98205 117846 130940 157128 170222 196410 235692 255333 261880 294615 340444 392820 425555 471384 510666 589230 680888 765999 785640 851110 1021332 1178460 1276665 1531998 1702220 2042664 2356920 2553330 3063996 3404440 3829995 5106660 6127992 7659990 10213320 15319980 30639960
- Sum of all divisors σ(n): 107256240
- Sum of proper divisors (its aliquot sum) s(n): 76616280
- 30639960 is an abundant number, because the sum of its proper divisors (76616280) is greater than itself. Its abundance is 45976320
Bases of 30639960
- Binary: 11101001110000111010110002
- Hexadecimal: 0x1D38758
- Base-36: I8PY0
Squares and roots of 30639960
- 30639960 squared (306399602) is 938807148801600
- 30639960 cubed (306399603) is 28765013486995071936000
-
The
square root of 30639960 is 5535.3373880911 -
The
cube root of 30639960 is 312.9171729789
Scales and comparisons
How big is 30639960?- 30,639,960 seconds is equal to 50 weeks, 4 days, 15 hours, 6 minutes.
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To count from 1 to 30,639,960 would take you about twenty-three 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 30639960 cubic inches would be around 26.1 feet tall.
Recreational maths with 30639960
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