12991442688
12,991,442,688 is an even composite number composed of four prime numbers multiplied together.
12991442688 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12991442688:
28 × 33 × 7 × 268507
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 268507)See below for interesting mathematical facts about the number 12991442688 from the Numbermatics database.
Names of 12991442688
- Cardinal: 12991442688 can be written as Twelve billion, nine hundred ninety-one million, four hundred forty-two thousand, six hundred eighty-eight.
Scientific notation
- Scientific notation: 1.2991442688 × 1010
Factors of 12991442688
Divisors of 12991442688
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 256 288 336 378 384 432 448 504 576 672 756 768 864 896 1008 1152 1344 1512 1728 1792 2016 2304 2688 3024 3456 4032 5376 6048 6912 8064 12096 16128 24192 48384 268507 537014 805521 1074028 1611042 1879549 2148056 2416563 3222084 3759098 4296112 4833126 5638647 6444168 7249689 7518196 8592224 9666252 11277294 12888336 14499378 15036392 16915941 17184448 19332504 22554588 25776672 28998756 30072784 33831882 34368896 38665008 45109176 50747823 51553344 57997512 60145568 67663764 68737792 77330016 90218352 101495646 103106688 115995024 120291136 135327528 154660032 180436704 202991292 206213376 231990048 240582272 270655056 309320064 360873408 405982584 463980096 481164544 541310112 618640128 721746816 811965168 927960192 1082620224 1443493632 1623930336 1855920384 2165240448 3247860672 4330480896 6495721344 12991442688
- Sum of all divisors σ(n): 43906428160
- Sum of proper divisors (its aliquot sum) s(n): 30914985472
- 12991442688 is an abundant number, because the sum of its proper divisors (30914985472) is greater than itself. Its abundance is 17923542784
Bases of 12991442688
- Binary: 11000001100101100110101111000000002
- Hexadecimal: 0x30659AF00
- Base-36: 5YURPC0
Squares and roots of 12991442688
- 12991442688 squared (129914426882) is 168777583115588665344
- 12991442688 cubed (129914426883) is 2192664298065326625198987804672
-
The
square root of 12991442688 is 113980.0100368481 -
The
cube root of 12991442688 is 2350.8186487185
Scales and comparisons
How big is 12991442688?- 12,991,442,688 seconds is equal to 413 years, 4 weeks, 3 days, 22 hours, 4 minutes, 48 seconds.
-
To count from 1 to 12,991,442,688 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 12991442688 cubic inches would be around 195.9 feet tall.
Recreational maths with 12991442688
- 12991442688 backwards is 88624419921
- 12991442688 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12991442688's digits is 54
- More coming soon!
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The information we have on file for 12991442688 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!
Keywords: Divisors of 12991442688, math, Factors of 12991442688, curriculum, school, college, exams, university, Prime factorization of 12991442688, STEM, science, technology, engineering, physics, economics, calculator, twelve billion, nine hundred ninety-one million, four hundred forty-two thousand, six hundred eighty-eight.