12990978
12,990,978 is an even composite number composed of six prime numbers multiplied together.
12990978 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12990978:
2 × 32 × 72 × 11 × 13 × 103
(2 × 3 × 3 × 7 × 7 × 11 × 13 × 103)See below for interesting mathematical facts about the number 12990978 from the Numbermatics database.
Names of 12990978
- Cardinal: 12990978 can be written as Twelve million, nine hundred ninety thousand, nine hundred seventy-eight.
Scientific notation
- Scientific notation: 1.2990978 × 107
Factors of 12990978
Divisors of 12990978
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 6 7 9 11 13 14 18 21 22 26 33 39 42 49 63 66 77 78 91 98 99 103 117 126 143 147 154 182 198 206 231 234 273 286 294 309 429 441 462 539 546 618 637 693 721 819 858 882 927 1001 1078 1133 1274 1287 1339 1386 1442 1617 1638 1854 1911 2002 2163 2266 2574 2678 3003 3234 3399 3822 4017 4326 4851 5047 5733 6006 6489 6798 7007 7931 8034 9009 9373 9702 10094 10197 11466 12051 12978 14014 14729 15141 15862 18018 18746 20394 21021 23793 24102 28119 29458 30282 42042 44187 45423 47586 55517 56238 63063 65611 71379 84357 88374 90846 103103 111034 126126 131222 132561 142758 166551 168714 196833 206206 265122 309309 333102 393666 499653 590499 618618 721721 927927 999306 1180998 1443442 1855854 2165163 4330326 6495489 12990978
- Sum of all divisors σ(n): 38840256
- Sum of proper divisors (its aliquot sum) s(n): 25849278
- 12990978 is an abundant number, because the sum of its proper divisors (25849278) is greater than itself. Its abundance is 12858300
Bases of 12990978
- Binary: 1100011000111010000000102
- Hexadecimal: 0xC63A02
- Base-36: 7QFWI
Squares and roots of 12990978
- 12990978 squared (129909782) is 168765509396484
- 12990978 cubed (129909783) is 2192429019728516921352
-
The
square root of 12990978 is 3604.2999320259 -
The
cube root of 12990978 is 235.0790619749
Scales and comparisons
How big is 12990978?- 12,990,978 seconds is equal to 21 weeks, 3 days, 8 hours, 36 minutes, 18 seconds.
-
To count from 1 to 12,990,978 would take you about thirty-two weeks!
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 12990978 cubic inches would be around 19.6 feet tall.
Recreational maths with 12990978
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The information we have on file for 12990978 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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