12987617920
12,987,617,920 is an even composite number composed of five prime numbers multiplied together.
12987617920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 12987617920:
27 × 5 × 23 × 547 × 1613
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 547 × 1613)See below for interesting mathematical facts about the number 12987617920 from the Numbermatics database.
Names of 12987617920
- Cardinal: 12987617920 can be written as Twelve billion, nine hundred eighty-seven million, six hundred seventeen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.298761792 × 1010
Factors of 12987617920
Divisors of 12987617920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 320 368 460 547 640 736 920 1094 1472 1613 1840 2188 2735 2944 3226 3680 4376 5470 6452 7360 8065 8752 10940 12581 12904 14720 16130 17504 21880 25162 25808 32260 35008 37099 43760 50324 51616 62905 64520 70016 74198 87520 100648 103232 125810 129040 148396 175040 185495 201296 206464 251620 258080 296792 350080 370990 402592 503240 516160 593584 741980 805184 882311 1006480 1032320 1187168 1483960 1610368 1764622 2012960 2374336 2967920 3529244 4025920 4411555 4748672 5935840 7058488 8051840 8823110 11871680 14116976 17646220 20293153 23743360 28233952 35292440 40586306 56467904 70584880 81172612 101465765 112935808 141169760 162345224 202931530 282339520 324690448 405863060 564679040 649380896 811726120 1298761792 1623452240 2597523584 3246904480 6493808960 12987617920
- Sum of all divisors σ(n): 32477811840
- Sum of proper divisors (its aliquot sum) s(n): 19490193920
- 12987617920 is an abundant number, because the sum of its proper divisors (19490193920) is greater than itself. Its abundance is 6502576000
Bases of 12987617920
- Binary: 11000001100001111101010010100000002
- Hexadecimal: 0x3061F5280
- Base-36: 5YSHQ4G
Squares and roots of 12987617920
- 12987617920 squared (129876179202) is 168678219235905126400
- 12987617920 cubed (129876179203) is 2190728262861930127052505088000
-
The
square root of 12987617920 is 113963.2305614403 -
The
cube root of 12987617920 is 2350.5879271409
Scales and comparisons
How big is 12987617920?- 12,987,617,920 seconds is equal to 412 years, 50 weeks, 1 day, 15 hours, 38 minutes, 40 seconds.
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To count from 1 to 12,987,617,920 would take you about eight hundred twenty-five 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 12987617920 cubic inches would be around 195.9 feet tall.
Recreational maths with 12987617920
- 12987617920 backwards is 02971678921
- The number of decimal digits it has is: 11
- The sum of 12987617920's digits is 52
- More coming soon!
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The information we have on file for 12987617920 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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