12990406856
12,990,406,856 is an even composite number composed of six prime numbers multiplied together.
12990406856 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 12990406856:
23 × 72 × 19 × 29 × 137 × 439
(2 × 2 × 2 × 7 × 7 × 19 × 29 × 137 × 439)See below for interesting mathematical facts about the number 12990406856 from the Numbermatics database.
Names of 12990406856
- Cardinal: 12990406856 can be written as Twelve billion, nine hundred ninety million, four hundred six thousand, eight hundred fifty-six.
Scientific notation
- Scientific notation: 1.2990406856 × 1010
Factors of 12990406856
Divisors of 12990406856
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 7 8 14 19 28 29 38 49 56 58 76 98 116 133 137 152 196 203 232 266 274 392 406 439 532 548 551 812 878 931 959 1064 1096 1102 1421 1624 1756 1862 1918 2204 2603 2842 3073 3512 3724 3836 3857 3973 4408 5206 5684 6146 6713 7448 7672 7714 7946 8341 10412 11368 12292 12731 13426 15428 15892 16682 18221 20824 21511 24584 25462 26852 26999 27811 30856 31784 33364 36442 43022 50924 53704 53998 55622 58387 60143 66728 72884 75487 86044 89117 101848 107996 111244 116774 120286 127547 145768 150974 172088 178234 194677 215992 222488 233548 240572 241889 255094 301948 356468 389354 408709 421001 467096 481144 483778 510188 528409 603896 623819 712936 778708 817418 842002 967556 1020376 1056818 1142717 1247638 1557416 1634836 1684004 1693223 1744147 1935112 2113636 2285434 2495276 2947007 3269672 3368008 3386446 3488294 3698863 4227272 4570868 4990552 5894014 6772892 6976588 7397726 7999019 9141736 11788028 11852561 12209029 13545784 13953176 14795452 15998038 23576056 23705122 24418058 29590904 31996076 33138793 47410244 48836116 55993133 63992152 66277586 85463203 94820488 97672232 111986266 132555172 170926406 223972532 231971551 265110344 341852812 447945064 463943102 683705624 927886204 1623800857 1855772408 3247601714 6495203428 12990406856
- Sum of all divisors σ(n): 31149360000
- Sum of proper divisors (its aliquot sum) s(n): 18158953144
- 12990406856 is an abundant number, because the sum of its proper divisors (18158953144) is greater than itself. Its abundance is 5168546288
Bases of 12990406856
- Binary: 11000001100100100111100000110010002
- Hexadecimal: 0x30649E0C8
- Base-36: 5YU5I2W
Squares and roots of 12990406856
- 12990406856 squared (129904068562) is 168750670284411804736
- 12990406856 cubed (129904068563) is 2192139864217218578169867670016
-
The
square root of 12990406856 is 113975.4660266849 -
The
cube root of 12990406856 is 2350.7561686701
Scales and comparisons
How big is 12990406856?- 12,990,406,856 seconds is equal to 413 years, 2 weeks, 5 days, 22 hours, 20 minutes, 56 seconds.
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To count from 1 to 12,990,406,856 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 12990406856 cubic inches would be around 195.9 feet tall.
Recreational maths with 12990406856
- 12990406856 backwards is 65860409921
- The number of decimal digits it has is: 11
- The sum of 12990406856's digits is 50
- More coming soon!
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