13858994640
13,858,994,640 is an even composite number composed of five prime numbers multiplied together.
13858994640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 13858994640:
24 × 3 × 5 × 431 × 133981
(2 × 2 × 2 × 2 × 3 × 5 × 431 × 133981)See below for interesting mathematical facts about the number 13858994640 from the Numbermatics database.
Names of 13858994640
- Cardinal: 13858994640 can be written as Thirteen billion, eight hundred fifty-eight million, nine hundred ninety-four thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.385899464 × 1010
Factors of 13858994640
Divisors of 13858994640
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 431 862 1293 1724 2155 2586 3448 4310 5172 6465 6896 8620 10344 12930 17240 20688 25860 34480 51720 103440 133981 267962 401943 535924 669905 803886 1071848 1339810 1607772 2009715 2143696 2679620 3215544 4019430 5359240 6431088 8038860 10718480 16077720 32155440 57745811 115491622 173237433 230983244 288729055 346474866 461966488 577458110 692949732 866187165 923932976 1154916220 1385899464 1732374330 2309832440 2771798928 3464748660 4619664880 6929497320 13858994640
- Sum of all divisors σ(n): 43062886656
- Sum of proper divisors (its aliquot sum) s(n): 29203892016
- 13858994640 is an abundant number, because the sum of its proper divisors (29203892016) is greater than itself. Its abundance is 15344897376
Bases of 13858994640
- Binary: 11001110100000111101111001110100002
- Hexadecimal: 0x33A0F79D0
- Base-36: 6D7ACPC
Squares and roots of 13858994640
- 13858994640 squared (138589946402) is 192071732431548729600
- 13858994640 cubed (138589946403) is 2661921110264348010425209344000
-
The
square root of 13858994640 is 117724.2313204891 -
The
cube root of 13858994640 is 2402.0234463255
Scales and comparisons
How big is 13858994640?- 13,858,994,640 seconds is equal to 440 years, 35 weeks, 44 minutes.
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To count from 1 to 13,858,994,640 would take you about eight hundred eighty-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 13858994640 cubic inches would be around 200.2 feet tall.
Recreational maths with 13858994640
- 13858994640 backwards is 04649985831
- The number of decimal digits it has is: 11
- The sum of 13858994640's digits is 57
- More coming soon!
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