12489078920
12,489,078,920 is an even composite number composed of five prime numbers multiplied together.
12489078920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 12489078920:
23 × 5 × 71 × 137 × 32099
(2 × 2 × 2 × 5 × 71 × 137 × 32099)See below for interesting mathematical facts about the number 12489078920 from the Numbermatics database.
Names of 12489078920
- Cardinal: 12489078920 can be written as Twelve billion, four hundred eighty-nine million, seventy-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.248907892 × 1010
Factors of 12489078920
Divisors of 12489078920
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 20 40 71 137 142 274 284 355 548 568 685 710 1096 1370 1420 2740 2840 5480 9727 19454 32099 38908 48635 64198 77816 97270 128396 160495 194540 256792 320990 389080 641980 1283960 2279029 4397563 4558058 8795126 9116116 11395145 17590252 18232232 21987815 22790290 35180504 43975630 45580580 87951260 91161160 175902520 312226973 624453946 1248907892 1561134865 2497815784 3122269730 6244539460 12489078920
- Sum of all divisors σ(n): 28705104000
- Sum of proper divisors (its aliquot sum) s(n): 16216025080
- 12489078920 is an abundant number, because the sum of its proper divisors (16216025080) is greater than itself. Its abundance is 3726946160
Bases of 12489078920
- Binary: 10111010000110100000111000100010002
- Hexadecimal: 0x2E8683888
- Base-36: 5QJOAYW
Squares and roots of 12489078920
- 12489078920 squared (124890789202) is 155977092269988366400
- 12489078920 cubed (124890789203) is 1948010215072006655451476288000
-
The
square root of 12489078920 is 111754.5476479593 -
The
cube root of 12489078920 is 2320.1183377013
Scales and comparisons
How big is 12489078920?- 12,489,078,920 seconds is equal to 397 years, 5 weeks, 6 days, 12 hours, 35 minutes, 20 seconds.
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To count from 1 to 12,489,078,920 would take you about seven hundred ninety-four 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 12489078920 cubic inches would be around 193.3 feet tall.
Recreational maths with 12489078920
- 12489078920 backwards is 02987098421
- The number of decimal digits it has is: 11
- The sum of 12489078920's digits is 50
- More coming soon!
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