129881072720
129,881,072,720 is an even composite number composed of six prime numbers multiplied together.
129881072720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 129881072720:
24 × 5 × 7 × 29 × 541 × 14783
(2 × 2 × 2 × 2 × 5 × 7 × 29 × 541 × 14783)See below for interesting mathematical facts about the number 129881072720 from the Numbermatics database.
Names of 129881072720
- Cardinal: 129881072720 can be written as One hundred twenty-nine billion, eight hundred eighty-one million, seventy-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2988107272 × 1011
Factors of 129881072720
Divisors of 129881072720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 112 116 140 145 203 232 280 290 406 464 541 560 580 812 1015 1082 1160 1624 2030 2164 2320 2705 3248 3787 4060 4328 5410 7574 8120 8656 10820 14783 15148 15689 16240 18935 21640 29566 30296 31378 37870 43280 59132 60592 62756 73915 75740 78445 103481 109823 118264 125512 147830 151480 156890 206962 219646 236528 251024 295660 302960 313780 413924 428707 439292 517405 549115 591320 627560 827848 857414 878584 1034810 1098230 1182640 1255120 1655696 1714828 1757168 2069620 2143535 2196460 3000949 3429656 4139240 4287070 4392920 6001898 6859312 7997603 8278480 8574140 8785840 12003796 15004745 15995206 17148280 24007592 30009490 31990412 34296560 39988015 48015184 55983221 60018980 63980824 79976030 111966442 120037960 127961648 159952060 223932884 231930487 240075920 279916105 319904120 447865768 463860974 559832210 639808240 895731536 927721948 1119664420 1159652435 1623513409 1855443896 2239328840 2319304870 3247026818 3710887792 4478657680 4638609740 6494053636 8117567045 9277219480 12988107272 16235134090 18554438960 25976214544 32470268180 64940536360 129881072720
- Sum of all divisors σ(n): 357697105920
- Sum of proper divisors (its aliquot sum) s(n): 227816033200
- 129881072720 is an abundant number, because the sum of its proper divisors (227816033200) is greater than itself. Its abundance is 97934960480
Bases of 129881072720
- Binary: 11110001111011000001111100100010100002
- Hexadecimal: 0x1E3D83E450
- Base-36: 1NNZU53K
Squares and roots of 129881072720
- 129881072720 squared (1298810727202) is 16869093050897928198400
- 129881072720 cubed (1298810727203) is 2190975901264120473633728987648000
-
The
square root of 129881072720 is 360390.1673464469 -
The
cube root of 129881072720 is 5064.2517748197
Scales and comparisons
How big is 129881072720?- 129,881,072,720 seconds is equal to 4,129 years, 42 weeks, 3 days, 3 hours, 45 minutes, 20 seconds.
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To count from 1 to 129,881,072,720 would take you about eight thousand, two hundred fifty-nine 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 129881072720 cubic inches would be around 422 feet tall.
Recreational maths with 129881072720
- 129881072720 backwards is 027270188921
- The number of decimal digits it has is: 12
- The sum of 129881072720's digits is 47
- More coming soon!
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