12420842420
12,420,842,420 is an even composite number composed of five prime numbers multiplied together.
12420842420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 12420842420:
22 × 5 × 72 × 941 × 13469
(2 × 2 × 5 × 7 × 7 × 941 × 13469)See below for interesting mathematical facts about the number 12420842420 from the Numbermatics database.
Names of 12420842420
- Cardinal: 12420842420 can be written as Twelve billion, four hundred twenty million, eight hundred forty-two thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.242084242 × 1010
Factors of 12420842420
Divisors of 12420842420
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 941 980 1882 3764 4705 6587 9410 13174 13469 18820 26348 26938 32935 46109 53876 65870 67345 92218 94283 131740 134690 184436 188566 230545 269380 377132 461090 471415 659981 922180 942830 1319962 1885660 2639924 3299905 6599810 12674329 13199620 25348658 50697316 63371645 88720303 126743290 177440606 253486580 354881212 443601515 621042121 887203030 1242084242 1774406060 2484168484 3105210605 6210421210 12420842420
- Sum of all divisors σ(n): 30376843560
- Sum of proper divisors (its aliquot sum) s(n): 17956001140
- 12420842420 is an abundant number, because the sum of its proper divisors (17956001140) is greater than itself. Its abundance is 5535158720
Bases of 12420842420
- Binary: 10111001000101011100000011101101002
- Hexadecimal: 0x2E45703B4
- Base-36: 5PF1RCK
Squares and roots of 12420842420
- 12420842420 squared (124208424202) is 154277326422471456400
- 12420842420 cubed (124208424203) is 1916254360472420306892300488000
-
The
square root of 12420842420 is 111448.8331926359 -
The
cube root of 12420842420 is 2315.8851468269
Scales and comparisons
How big is 12420842420?- 12,420,842,420 seconds is equal to 394 years, 49 weeks, 18 hours, 20 seconds.
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To count from 1 to 12,420,842,420 would take you about seven hundred eighty-nine 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 12420842420 cubic inches would be around 193 feet tall.
Recreational maths with 12420842420
- 12420842420 backwards is 02424802421
- The number of decimal digits it has is: 11
- The sum of 12420842420's digits is 29
- More coming soon!
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The information we have on file for 12420842420 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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