12138406720
12,138,406,720 is an even composite number composed of five prime numbers multiplied together.
12138406720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 12138406720:
26 × 5 × 11 × 421 × 8191
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 421 × 8191)See below for interesting mathematical facts about the number 12138406720 from the Numbermatics database.
Names of 12138406720
- Cardinal: 12138406720 can be written as Twelve billion, one hundred thirty-eight million, four hundred six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.213840672 × 1010
Factors of 12138406720
Divisors of 12138406720
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 160 176 220 320 352 421 440 704 842 880 1684 1760 2105 3368 3520 4210 4631 6736 8191 8420 9262 13472 16382 16840 18524 23155 26944 32764 33680 37048 40955 46310 65528 67360 74096 81910 90101 92620 131056 134720 148192 163820 180202 185240 262112 296384 327640 360404 370480 450505 524224 655280 720808 740960 901010 1310560 1441616 1481920 1802020 2621120 2883232 3448411 3604040 5766464 6896822 7208080 13793644 14416160 17242055 27587288 28832320 34484110 37932521 55174576 68968220 75865042 110349152 137936440 151730084 189662605 220698304 275872880 303460168 379325210 551745760 606920336 758650420 1103491520 1213840672 1517300840 2427681344 3034601680 6069203360 12138406720
- Sum of all divisors σ(n): 31611027456
- Sum of proper divisors (its aliquot sum) s(n): 19472620736
- 12138406720 is an abundant number, because the sum of its proper divisors (19472620736) is greater than itself. Its abundance is 7334214016
Bases of 12138406720
- Binary: 10110100111000000101100011010000002
- Hexadecimal: 0x2D3816340
- Base-36: 5KQW6KG
Squares and roots of 12138406720
- 12138406720 squared (121384067202) is 147340917700141158400
- 12138406720 cubed (121384067203) is 1788483985542360382071144448000
-
The
square root of 12138406720 is 110174.4376886037 -
The
cube root of 12138406720 is 2298.1968678003
Scales and comparisons
How big is 12138406720?- 12,138,406,720 seconds is equal to 385 years, 50 weeks, 19 hours, 38 minutes, 40 seconds.
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To count from 1 to 12,138,406,720 would take you about seven hundred seventy-one 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 12138406720 cubic inches would be around 191.5 feet tall.
Recreational maths with 12138406720
- 12138406720 backwards is 02760483121
- The number of decimal digits it has is: 11
- The sum of 12138406720's digits is 34
- More coming soon!
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Keywords: Divisors of 12138406720, math, Factors of 12138406720, curriculum, school, college, exams, university, Prime factorization of 12138406720, STEM, science, technology, engineering, physics, economics, calculator, twelve billion, one hundred thirty-eight million, four hundred six thousand, seven hundred twenty.