138565890
138,565,890 is an even composite number composed of five prime numbers multiplied together.
138565890 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138565890:
2 × 35 × 5 × 127 × 449
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 127 × 449)See below for interesting mathematical facts about the number 138565890 from the Numbermatics database.
Names of 138565890
- Cardinal: 138565890 can be written as One hundred thirty-eight million, five hundred sixty-five thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.3856589 × 108
Factors of 138565890
Divisors of 138565890
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 127 135 162 243 254 270 381 405 449 486 635 762 810 898 1143 1215 1270 1347 1905 2245 2286 2430 2694 3429 3810 4041 4490 5715 6735 6858 8082 10287 11430 12123 13470 17145 20205 20574 24246 30861 34290 36369 40410 51435 57023 60615 61722 72738 102870 109107 114046 121230 154305 171069 181845 218214 285115 308610 342138 363690 513207 545535 570230 855345 1026414 1091070 1539621 1710690 2566035 3079242 4618863 5132070 7698105 9237726 13856589 15396210 23094315 27713178 46188630 69282945 138565890
- Sum of all divisors σ(n): 377395200
- Sum of proper divisors (its aliquot sum) s(n): 238829310
- 138565890 is an abundant number, because the sum of its proper divisors (238829310) is greater than itself. Its abundance is 100263420
Bases of 138565890
- Binary: 10000100001001011001000000102
- Hexadecimal: 0x8425902
- Base-36: 2AHY4I
Squares and roots of 138565890
- 138565890 squared (1385658902) is 19200505871492100
- 138565890 cubed (1385658903) is 2660535184533528464469000
-
The
square root of 138565890 is 11771.4013609255 -
The
cube root of 138565890 is 517.4703196589
Scales and comparisons
How big is 138565890?- 138,565,890 seconds is equal to 4 years, 21 weeks, 18 hours, 31 minutes, 30 seconds.
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To count from 1 to 138,565,890 would take you about six 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 138565890 cubic inches would be around 43.1 feet tall.
Recreational maths with 138565890
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The information we have on file for 138565890 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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