129927200
129,927,200 is an even composite number composed of four prime numbers multiplied together.
129927200 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 129927200:
25 × 52 × 132 × 312
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 × 13 × 31 × 31)See below for interesting mathematical facts about the number 129927200 from the Numbermatics database.
Names of 129927200
- Cardinal: 129927200 can be written as One hundred twenty-nine million, nine hundred twenty-seven thousand, two hundred.
Scientific notation
- Scientific notation: 1.299272 × 108
Factors of 129927200
Divisors of 129927200
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 31 32 40 50 52 62 65 80 100 104 124 130 155 160 169 200 208 248 260 310 325 338 400 403 416 496 520 620 650 676 775 800 806 845 961 992 1040 1240 1300 1352 1550 1612 1690 1922 2015 2080 2480 2600 2704 3100 3224 3380 3844 4030 4225 4805 4960 5200 5239 5408 6200 6448 6760 7688 8060 8450 9610 10075 10400 10478 12400 12493 12896 13520 15376 16120 16900 19220 20150 20956 24025 24800 24986 26195 27040 30752 32240 33800 38440 40300 41912 48050 49972 52390 62465 64480 67600 76880 80600 83824 96100 99944 104780 124930 130975 135200 153760 161200 162409 167648 192200 199888 209560 249860 261950 312325 322400 324818 384400 399776 419120 499720 523900 624650 649636 768800 812045 838240 999440 1047800 1249300 1299272 1624090 1998880 2095600 2498600 2598544 3248180 4060225 4191200 4997200 5197088 6496360 8120450 9994400 12992720 16240900 25985440 32481800 64963600 129927200
- Sum of all divisors σ(n): 354897207
- Sum of proper divisors (its aliquot sum) s(n): 224970007
- 129927200 is an abundant number, because the sum of its proper divisors (224970007) is greater than itself. Its abundance is 95042807
Bases of 129927200
- Binary: 1111011111010001000001000002
- Hexadecimal: 0x7BE8820
- Base-36: 25CSGW
Squares and roots of 129927200
- 129927200 squared (1299272002) is 16881077299840000
- 129927200 cubed (1299272003) is 2193311106551771648000000
-
The
square root of 129927200 is 11398.5613127271 -
The
cube root of 129927200 is 506.4851227087
Scales and comparisons
How big is 129927200?- 129,927,200 seconds is equal to 4 years, 6 weeks, 5 days, 18 hours, 53 minutes, 20 seconds.
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To count from 1 to 129,927,200 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 129927200 cubic inches would be around 42.2 feet tall.
Recreational maths with 129927200
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