138885440
138,885,440 is an even composite number composed of five prime numbers multiplied together.
138885440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 138885440:
26 × 5 × 19 × 53 × 431
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 53 × 431)See below for interesting mathematical facts about the number 138885440 from the Numbermatics database.
Names of 138885440
- Cardinal: 138885440 can be written as One hundred thirty-eight million, eight hundred eighty-five thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.3888544 × 108
Factors of 138885440
Divisors of 138885440
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 53 64 76 80 95 106 152 160 190 212 265 304 320 380 424 431 530 608 760 848 862 1007 1060 1216 1520 1696 1724 2014 2120 2155 3040 3392 3448 4028 4240 4310 5035 6080 6896 8056 8189 8480 8620 10070 13792 16112 16378 16960 17240 20140 22843 27584 32224 32756 34480 40280 40945 45686 64448 65512 68960 80560 81890 91372 114215 131024 137920 161120 163780 182744 228430 262048 322240 327560 365488 434017 456860 524096 655120 730976 868034 913720 1310240 1461952 1736068 1827440 2170085 2620480 3472136 3654880 4340170 6944272 7309760 8680340 13888544 17360680 27777088 34721360 69442720 138885440
- Sum of all divisors σ(n): 355518720
- Sum of proper divisors (its aliquot sum) s(n): 216633280
- 138885440 is an abundant number, because the sum of its proper divisors (216633280) is greater than itself. Its abundance is 77747840
Bases of 138885440
- Binary: 10000100011100111001010000002
- Hexadecimal: 0x8473940
- Base-36: 2AOSOW
Squares and roots of 138885440
- 138885440 squared (1388854402) is 19289165443993600
- 138885440 cubed (1388854403) is 2678984229921846493184000
-
The
square root of 138885440 is 11784.9666949041 -
The
cube root of 138885440 is 517.8677976903
Scales and comparisons
How big is 138885440?- 138,885,440 seconds is equal to 4 years, 21 weeks, 4 days, 11 hours, 17 minutes, 20 seconds.
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To count from 1 to 138,885,440 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 138885440 cubic inches would be around 43.2 feet tall.
Recreational maths with 138885440
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The information we have on file for 138885440 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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