129491121825
129,491,121,825 is an odd composite number composed of five prime numbers multiplied together.
129491121825 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 129491121825:
37 × 52 × 13 × 23 × 892
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 13 × 23 × 89 × 89)See below for interesting mathematical facts about the number 129491121825 from the Numbermatics database.
Names of 129491121825
- Cardinal: 129491121825 can be written as One hundred twenty-nine billion, four hundred ninety-one million, one hundred twenty-one thousand, eight hundred twenty-five.
Scientific notation
- Scientific notation: 1.29491121825 × 1011
Factors of 129491121825
Divisors of 129491121825
- Number of divisors d(n): 288
-
Complete list of divisors:
1 3 5 9 13 15 23 25 27 39 45 65 69 75 81 89 115 117 135 195 207 225 243 267 299 325 345 351 405 445 575 585 621 675 729 801 897 975 1035 1053 1157 1215 1335 1495 1725 1755 1863 2025 2047 2187 2225 2403 2691 2925 3105 3159 3471 3645 4005 4485 5175 5265 5589 5785 6075 6141 6675 7209 7475 7921 8073 8775 9315 9477 10235 10413 10935 12015 13455 15525 15795 16767 17355 18225 18423 20025 21627 22425 23763 24219 26325 26611 27945 28431 28925 30705 31239 36045 39605 40365 46575 47385 50301 51175 52065 54675 55269 60075 64881 67275 71289 72657 78975 79833 83835 86775 92115 93717 102973 108135 118815 121095 133055 139725 142155 153525 156195 165807 180225 182183 194643 198025 201825 213867 217971 236925 239499 251505 260325 276345 281151 308919 324405 356445 363285 399165 419175 460575 468585 497421 514865 540675 546549 594075 605475 641601 653913 665275 710775 718497 780975 829035 843453 910915 926757 973215 1069335 1089855 1197495 1257525 1381725 1405755 1492263 1544595 1622025 1639647 1782225 1816425 1924803 1995825 2155491 2342925 2368379 2487105 2530359 2574325 2732745 2780271 3208005 3269565 3592485 4145175 4217265 4476789 4554575 4633785 4866075 4918941 5346675 5449275 5774409 5987475 6466473 7028775 7105137 7461315 7722975 8198235 8340813 9624015 10777455 11841895 12435525 12651795 13663725 13901355 14756823 16040025 16347825 17323227 17962425 19399419 21086325 21315411 22383945 23168925 24594705 25022439 28872045 32332365 35525685 37306575 40991175 41704065 44270469 48120075 53887275 58198257 59209475 63258975 63946233 69506775 73784115 75067317 86616135 96997095 106577055 111919725 122973525 125112195 132811407 144360225 161661825 177628425 191838699 208520325 221352345 225201951 290991285 319731165 368920575 375336585 398434221 433080675 484985475 532885275 575516097 625560975 664057035 959193495 1106761725 1126009755 1454956425 1598655825 1726548291 1876682925 1992171105 2877580485 3320285175 4795967475 5179644873 5630048775 8632741455 9960855525 14387902425 25898224365 43163707275 129491121825
- Sum of all divisors σ(n): 273691649280
- Sum of proper divisors (its aliquot sum) s(n): 144200527455
- 129491121825 is an abundant number, because the sum of its proper divisors (144200527455) is greater than itself. Its abundance is 14709405630
Bases of 129491121825
- Binary: 11110001001100100010110110110101000012
- Hexadecimal: 0x1E2645B6A1
- Base-36: 1NHJO529
Squares and roots of 129491121825
- 129491121825 squared (1294911218252) is 16767950631496991330625
- 129491121825 cubed (1294911218253) is 2171300737978762586514930728390625
-
The
square root of 129491121825 is 359848.7485388827 -
The
cube root of 129491121825 is 5059.1784433927
Scales and comparisons
How big is 129491121825?- 129,491,121,825 seconds is equal to 4,117 years, 21 weeks, 4 days, 20 hours, 3 minutes, 45 seconds.
-
To count from 1 to 129,491,121,825 would take you about eight thousand, two hundred thirty-four 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 129491121825 cubic inches would be around 421.6 feet tall.
Recreational maths with 129491121825
- 129491121825 backwards is 528121194921
- 129491121825 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 129491121825's digits is 45
- More coming soon!
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