13129920
13,129,920 is an even composite number composed of five prime numbers multiplied together.
13129920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 13129920:
26 × 32 × 5 × 47 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 47 × 97)See below for interesting mathematical facts about the number 13129920 from the Numbermatics database.
Names of 13129920
- Cardinal: 13129920 can be written as Thirteen million, one hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.312992 × 107
Factors of 13129920
Divisors of 13129920
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 47 48 60 64 72 80 90 94 96 97 120 141 144 160 180 188 192 194 235 240 282 288 291 320 360 376 388 423 470 480 485 564 576 582 705 720 752 776 846 873 940 960 970 1128 1164 1410 1440 1455 1504 1552 1692 1746 1880 1940 2115 2256 2328 2820 2880 2910 3008 3104 3384 3492 3760 3880 4230 4365 4512 4559 4656 5640 5820 6208 6768 6984 7520 7760 8460 8730 9024 9118 9312 11280 11640 13536 13677 13968 15040 15520 16920 17460 18236 18624 22560 22795 23280 27072 27354 27936 31040 33840 34920 36472 41031 45120 45590 46560 54708 55872 67680 68385 69840 72944 82062 91180 93120 109416 135360 136770 139680 145888 164124 182360 205155 218832 273540 279360 291776 328248 364720 410310 437664 547080 656496 729440 820620 875328 1094160 1312992 1458880 1641240 2188320 2625984 3282480 4376640 6564960 13129920
- Sum of all divisors σ(n): 46597824
- Sum of proper divisors (its aliquot sum) s(n): 33467904
- 13129920 is an abundant number, because the sum of its proper divisors (33467904) is greater than itself. Its abundance is 20337984
Bases of 13129920
- Binary: 1100100001011000110000002
- Hexadecimal: 0xC858C0
- Base-36: 7TF40
Squares and roots of 13129920
- 13129920 squared (131299202) is 172394799206400
- 13129920 cubed (131299203) is 2263529921996095488000
-
The
square root of 13129920 is 3623.5231474353 -
The
cube root of 13129920 is 235.9141696885
Scales and comparisons
How big is 13129920?- 13,129,920 seconds is equal to 21 weeks, 4 days, 23 hours, 12 minutes.
-
To count from 1 to 13,129,920 would take you about thirty-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 13129920 cubic inches would be around 19.7 feet tall.
Recreational maths with 13129920
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