129428000
129,428,000 is an even composite number composed of five prime numbers multiplied together.
129428000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 129428000:
25 × 53 × 13 × 19 × 131
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 13 × 19 × 131)See below for interesting mathematical facts about the number 129428000 from the Numbermatics database.
Names of 129428000
- Cardinal: 129428000 can be written as One hundred twenty-nine million, four hundred twenty-eight thousand.
Scientific notation
- Scientific notation: 1.29428 × 108
Factors of 129428000
Divisors of 129428000
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 8 10 13 16 19 20 25 26 32 38 40 50 52 65 76 80 95 100 104 125 130 131 152 160 190 200 208 247 250 260 262 304 325 380 400 416 475 494 500 520 524 608 650 655 760 800 950 988 1000 1040 1048 1235 1300 1310 1520 1625 1703 1900 1976 2000 2080 2096 2375 2470 2489 2600 2620 3040 3250 3275 3406 3800 3952 4000 4192 4750 4940 4978 5200 5240 6175 6500 6550 6812 7600 7904 8515 9500 9880 9956 10400 10480 12350 12445 13000 13100 13624 15200 16375 17030 19000 19760 19912 20960 24700 24890 26000 26200 27248 30875 32357 32750 34060 38000 39520 39824 42575 49400 49780 52000 52400 54496 61750 62225 64714 65500 68120 76000 79648 85150 98800 99560 104800 123500 124450 129428 131000 136240 161785 170300 197600 199120 212875 247000 248900 258856 262000 272480 311125 323570 340600 398240 425750 494000 497800 517712 524000 622250 647140 681200 808925 851500 988000 995600 1035424 1244500 1294280 1362400 1617850 1703000 1991200 2489000 2588560 3235700 3406000 4044625 4978000 5177120 6471400 6812000 8089250 9956000 12942800 16178500 25885600 32357000 64714000 129428000
- Sum of all divisors σ(n): 363242880
- Sum of proper divisors (its aliquot sum) s(n): 233814880
- 129428000 is an abundant number, because the sum of its proper divisors (233814880) is greater than itself. Its abundance is 104386880
Bases of 129428000
- Binary: 1111011011011101010001000002
- Hexadecimal: 0x7B6EA20
- Base-36: 2523A8
Squares and roots of 129428000
- 129428000 squared (1294280002) is 16751607184000000
- 129428000 cubed (1294280003) is 2168127014610752000000000
-
The
square root of 129428000 is 11376.6427385235 -
The
cube root of 129428000 is 505.8356259665
Scales and comparisons
How big is 129428000?- 129,428,000 seconds is equal to 4 years, 6 weeks, 13 minutes, 20 seconds.
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To count from 1 to 129,428,000 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 129428000 cubic inches would be around 42.2 feet tall.
Recreational maths with 129428000
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