12641427680
12,641,427,680 is an even composite number composed of four prime numbers multiplied together.
12641427680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 12641427680:
25 × 5 × 72 × 1612427
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 1612427)See below for interesting mathematical facts about the number 12641427680 from the Numbermatics database.
Names of 12641427680
- Cardinal: 12641427680 can be written as Twelve billion, six hundred forty-one million, four hundred twenty-seven thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.264142768 × 1010
Factors of 12641427680
Divisors of 12641427680
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1120 1568 1960 3920 7840 1612427 3224854 6449708 8062135 11286989 12899416 16124270 22573978 25798832 32248540 45147956 51597664 56434945 64497080 79008923 90295912 112869890 128994160 158017846 180591824 225739780 257988320 316035692 361183648 395044615 451479560 632071384 790089230 902959120 1264142768 1580178460 1805918240 2528285536 3160356920 6320713840 12641427680
- Sum of all divisors σ(n): 34741373688
- Sum of proper divisors (its aliquot sum) s(n): 22099946008
- 12641427680 is an abundant number, because the sum of its proper divisors (22099946008) is greater than itself. Its abundance is 9458518328
Bases of 12641427680
- Binary: 10111100010111110011100000111000002
- Hexadecimal: 0x2F17CE0E0
- Base-36: 5T2DO0W
Squares and roots of 12641427680
- 12641427680 squared (126414276802) is 159805693788670182400
- 12641427680 cubed (126414276803) is 2020172120881699314182008832000
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The
square root of 12641427680 is 112434.1037230253 -
The
cube root of 12641427680 is 2329.5142681407
Scales and comparisons
How big is 12641427680?- 12,641,427,680 seconds is equal to 401 years, 49 weeks, 5 days, 19 hours, 41 minutes, 20 seconds.
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To count from 1 to 12,641,427,680 would take you about eight hundred three 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 12641427680 cubic inches would be around 194.1 feet tall.
Recreational maths with 12641427680
- 12641427680 backwards is 08672414621
- The number of decimal digits it has is: 11
- The sum of 12641427680's digits is 41
- More coming soon!
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