1338540690
1,338,540,690 is an even composite number composed of seven prime numbers multiplied together.
1338540690 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 1338540690:
2 × 3 × 5 × 19 × 61 × 137 × 281
See below for interesting mathematical facts about the number 1338540690 from the Numbermatics database.
Names of 1338540690
- Cardinal: 1338540690 can be written as One billion, three hundred thirty-eight million, five hundred forty thousand, six hundred ninety.
Scientific notation
- Scientific notation: 1.33854069 × 109
Factors of 1338540690
Divisors of 1338540690
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 10 15 19 30 38 57 61 95 114 122 137 183 190 274 281 285 305 366 411 562 570 610 685 822 843 915 1159 1370 1405 1686 1830 2055 2318 2603 2810 3477 4110 4215 5206 5339 5795 6954 7809 8357 8430 10678 11590 13015 15618 16017 16714 17141 17385 25071 26030 26695 32034 34282 34770 38497 39045 41785 50142 51423 53390 76994 78090 80085 83570 85705 102846 115491 125355 158783 160170 171410 192485 230982 250710 257115 317566 325679 384970 476349 514230 577455 651358 731443 793915 952698 977037 1154910 1462886 1587830 1628395 1954074 2194329 2348317 2381745 3256790 3657215 4388658 4696634 4763490 4885185 7044951 7314430 9770370 10971645 11741585 14089902 21943290 23483170 35224755 44618023 70449510 89236046 133854069 223090115 267708138 446180230 669270345 1338540690
- Sum of all divisors σ(n): 3474420480
- Sum of proper divisors (its aliquot sum) s(n): 2135879790
- 1338540690 is an abundant number, because the sum of its proper divisors (2135879790) is greater than itself. Its abundance is 797339100
Bases of 1338540690
- Binary: 10011111100100010000010100100102
- Hexadecimal: 0x4FC88292
- Base-36: M4XKLU
Squares and roots of 1338540690
- 1338540690 squared (13385406902) is 1791691178785676100
- 1338540690 cubed (13385406903) is 2398251546718692249010509000
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The
square root of 1338540690 is 36586.0723500077 -
The
cube root of 1338540690 is 1102.0734143885
Scales and comparisons
How big is 1338540690?- 1,338,540,690 seconds is equal to 42 years, 29 weeks, 1 day, 8 hours, 51 minutes, 30 seconds.
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To count from 1 to 1,338,540,690 would take you about eighty-five 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 1338540690 cubic inches would be around 91.8 feet tall.
Recreational maths with 1338540690
- 1338540690 backwards is 0960458331
- The number of decimal digits it has is: 10
- The sum of 1338540690's digits is 39
- More coming soon!
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