12815401872
12,815,401,872 is an even composite number composed of six prime numbers multiplied together.
12815401872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 12815401872:
24 × 3 × 7 × 13 × 653 × 4493
(2 × 2 × 2 × 2 × 3 × 7 × 13 × 653 × 4493)See below for interesting mathematical facts about the number 12815401872 from the Numbermatics database.
Names of 12815401872
- Cardinal: 12815401872 can be written as Twelve billion, eight hundred fifteen million, four hundred one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.2815401872 × 1010
Factors of 12815401872
Divisors of 12815401872
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 653 728 1092 1306 1456 1959 2184 2612 3918 4368 4493 4571 5224 7836 8489 8986 9142 10448 13479 13713 15672 16978 17972 18284 25467 26958 27426 31344 31451 33956 35944 36568 50934 53916 54852 58409 59423 62902 67912 71888 73136 94353 101868 107832 109704 116818 118846 125804 135824 175227 178269 188706 203736 215664 219408 233636 237692 251608 350454 356538 377412 407472 408863 467272 475384 503216 700908 713076 754824 817726 934544 950768 1226589 1401816 1426152 1509648 1635452 2453178 2803632 2852304 2933929 3270904 4906356 5867858 6541808 8801787 9812712 11735716 17603574 19625424 20537503 23471432 35207148 38141077 41075006 46942864 61612509 70414296 76282154 82150012 114423231 123225018 140828592 152564308 164300024 228846462 246450036 266987539 305128616 328600048 457692924 492900072 533975078 610257232 800962617 915385848 985800144 1067950156 1601925234 1830771696 2135900312 3203850468 4271800624 6407700936 12815401872
- Sum of all divisors σ(n): 40817887488
- Sum of proper divisors (its aliquot sum) s(n): 28002485616
- 12815401872 is an abundant number, because the sum of its proper divisors (28002485616) is greater than itself. Its abundance is 15187083744
Bases of 12815401872
- Binary: 10111110111101101110000011100100002
- Hexadecimal: 0x2FBDB8390
- Base-36: 5VXYJDC
Squares and roots of 12815401872
- 12815401872 squared (128154018722) is 164234525140861104384
- 12815401872 cubed (128154018723) is 2104731440937222460814701006848
-
The
square root of 12815401872 is 113205.1318271393 -
The
cube root of 12815401872 is 2340.1520508983
Scales and comparisons
How big is 12815401872?- 12,815,401,872 seconds is equal to 407 years, 25 weeks, 3 days, 9 hours, 51 minutes, 12 seconds.
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To count from 1 to 12,815,401,872 would take you about eight hundred fourteen 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 12815401872 cubic inches would be around 195 feet tall.
Recreational maths with 12815401872
- 12815401872 backwards is 27810451821
- 12815401872 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12815401872's digits is 39
- More coming soon!
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The information we have on file for 12815401872 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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