12991612928
12,991,612,928 is an even composite number composed of five prime numbers multiplied together.
12991612928 is an even 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 12991612928:
211 × 7 × 23 × 312 × 41
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 23 × 31 × 31 × 41)See below for interesting mathematical facts about the number 12991612928 from the Numbermatics database.
Names of 12991612928
- Cardinal: 12991612928 can be written as Twelve billion, nine hundred ninety-one million, six hundred twelve thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 1.2991612928 × 1010
Factors of 12991612928
Divisors of 12991612928
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 7 8 14 16 23 28 31 32 41 46 56 62 64 82 92 112 124 128 161 164 184 217 224 248 256 287 322 328 368 434 448 496 512 574 644 656 713 736 868 896 943 961 992 1024 1148 1271 1288 1312 1426 1472 1736 1792 1886 1922 1984 2048 2296 2542 2576 2624 2852 2944 3472 3584 3772 3844 3968 4592 4991 5084 5152 5248 5704 5888 6601 6727 6944 7168 7544 7688 7936 8897 9184 9982 10168 10304 10496 11408 11776 13202 13454 13888 14336 15088 15376 15872 17794 18368 19964 20336 20608 20992 22103 22816 23552 26404 26908 27776 29233 30176 30752 31744 35588 36736 39401 39928 40672 41216 41984 44206 45632 47104 52808 53816 55552 58466 60352 61504 63488 71176 73472 78802 79856 81344 82432 83968 88412 91264 105616 107632 111104 116932 120704 123008 142352 146944 154721 157604 159712 162688 164864 176824 182528 204631 211232 215264 222208 233864 241408 246016 275807 284704 293888 309442 315208 319424 325376 329728 353648 365056 409262 422464 430528 444416 467728 482816 492032 551614 569408 587776 618884 630416 638848 650752 707296 730112 818524 844928 861056 906223 935456 965632 984064 1103228 1138816 1237768 1260832 1277696 1301504 1414592 1460224 1637048 1689856 1722112 1812446 1870912 1931264 1968128 2206456 2277632 2475536 2521664 2555392 2603008 2829184 3274096 3379712 3444224 3624892 3741824 4412912 4555264 4951072 5043328 5110784 5658368 6343561 6548192 6759424 6888448 7249784 7483648 8825824 9110528 9902144 10086656 10221568 11316736 12687122 13096384 13518848 13776896 14499568 14967296 17651648 18221056 19804288 20173312 22633472 25374244 26192768 28999136 29934592 35303296 39608576 40346624 45266944 50748488 52385536 57998272 59869184 70606592 79217152 80693248 101496976 104771072 115996544 141213184 158434304 202993952 209542144 231993088 282426368 316868608 405987904 419084288 463986176 564852736 811975808 927972352 1623951616 1855944704 3247903232 6495806464 12991612928
- Sum of all divisors σ(n): 32790925440
- Sum of proper divisors (its aliquot sum) s(n): 19799312512
- 12991612928 is an abundant number, because the sum of its proper divisors (19799312512) is greater than itself. Its abundance is 6807699584
Bases of 12991612928
- Binary: 11000001100101110001001000000000002
- Hexadecimal: 0x3065C4800
- Base-36: 5YUVCOW
Squares and roots of 12991612928
- 12991612928 squared (129916129282) is 168782006470976733184
- 12991612928 cubed (129916129283) is 2192750497282120983620461002752
-
The
square root of 12991612928 is 113980.7568320197 -
The
cube root of 12991612928 is 2350.8289170575
Scales and comparisons
How big is 12991612928?- 12,991,612,928 seconds is equal to 413 years, 4 weeks, 5 days, 21 hours, 22 minutes, 8 seconds.
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To count from 1 to 12,991,612,928 would take you about eight hundred twenty-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 12991612928 cubic inches would be around 195.9 feet tall.
Recreational maths with 12991612928
- 12991612928 backwards is 82921619921
- The number of decimal digits it has is: 11
- The sum of 12991612928's digits is 50
- More coming soon!
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