138935040
138,935,040 is an even composite number composed of five prime numbers multiplied together.
138935040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138935040:
28 × 3 × 5 × 97 × 373
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 97 × 373)See below for interesting mathematical facts about the number 138935040 from the Numbermatics database.
Names of 138935040
- Cardinal: 138935040 can be written as One hundred thirty-eight million, nine hundred thirty-five thousand and forty.
Scientific notation
- Scientific notation: 1.3893504 × 108
Factors of 138935040
Divisors of 138935040
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 97 120 128 160 192 194 240 256 291 320 373 384 388 480 485 582 640 746 768 776 960 970 1119 1164 1280 1455 1492 1552 1865 1920 1940 2238 2328 2910 2984 3104 3730 3840 3880 4476 4656 5595 5820 5968 6208 7460 7760 8952 9312 11190 11640 11936 12416 14920 15520 17904 18624 22380 23280 23872 24832 29840 31040 35808 36181 37248 44760 46560 47744 59680 62080 71616 72362 74496 89520 93120 95488 108543 119360 124160 143232 144724 179040 180905 186240 217086 238720 286464 289448 358080 361810 372480 434172 477440 542715 578896 716160 723620 868344 1085430 1157792 1432320 1447240 1736688 2170860 2315584 2894480 3473376 4341720 4631168 5788960 6946752 8683440 9262336 11577920 13893504 17366880 23155840 27787008 34733760 46311680 69467520 138935040
- Sum of all divisors σ(n): 449500128
- Sum of proper divisors (its aliquot sum) s(n): 310565088
- 138935040 is an abundant number, because the sum of its proper divisors (310565088) is greater than itself. Its abundance is 171630048
Bases of 138935040
- Binary: 10000100011111111011000000002
- Hexadecimal: 0x847FB00
- Base-36: 2APUYO
Squares and roots of 138935040
- 138935040 squared (1389350402) is 19302945339801600
- 138935040 cubed (1389350403) is 2681855482903148888064000
-
The
square root of 138935040 is 11787.0708829633 -
The
cube root of 138935040 is 517.9294388665
Scales and comparisons
How big is 138935040?- 138,935,040 seconds is equal to 4 years, 21 weeks, 5 days, 1 hour, 4 minutes.
-
To count from 1 to 138,935,040 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 138935040 cubic inches would be around 43.2 feet tall.
Recreational maths with 138935040
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