129553920
129,553,920 is an even composite number composed of four prime numbers multiplied together.
129553920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 129553920:
29 × 32 × 5 × 5623
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5623)See below for interesting mathematical facts about the number 129553920 from the Numbermatics database.
Names of 129553920
- Cardinal: 129553920 can be written as One hundred twenty-nine million, five hundred fifty-three thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2955392 × 108
Factors of 129553920
Divisors of 129553920
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1152 1280 1440 1536 1920 2304 2560 2880 3840 4608 5623 5760 7680 11246 11520 16869 22492 23040 28115 33738 44984 50607 56230 67476 84345 89968 101214 112460 134952 168690 179936 202428 224920 253035 269904 337380 359872 404856 449840 506070 539808 674760 719744 809712 899680 1012140 1079616 1349520 1439488 1619424 1799360 2024280 2159232 2699040 2878976 3238848 3598720 4048560 4318464 5398080 6477696 7197440 8097120 8636928 10796160 12955392 14394880 16194240 21592320 25910784 32388480 43184640 64776960 129553920
- Sum of all divisors σ(n): 448761456
- Sum of proper divisors (its aliquot sum) s(n): 319207536
- 129553920 is an abundant number, because the sum of its proper divisors (319207536) is greater than itself. Its abundance is 189653616
Bases of 129553920
- Binary: 1111011100011010110000000002
- Hexadecimal: 0x7B8D600
- Base-36: 254SG0
Squares and roots of 129553920
- 129553920 squared (1295539202) is 16784218187366400
- 129553920 cubed (1295539203) is 2174461260308611596288000
-
The
square root of 129553920 is 11382.1755389733 -
The
cube root of 129553920 is 505.9996146373
Scales and comparisons
How big is 129553920?- 129,553,920 seconds is equal to 4 years, 6 weeks, 1 day, 11 hours, 12 minutes.
-
To count from 1 to 129,553,920 would take you about six years!
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 129553920 cubic inches would be around 42.2 feet tall.
Recreational maths with 129553920
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