19139840
19,139,840 is an even composite number composed of four prime numbers multiplied together.
19139840 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 19139840:
28 × 5 × 19 × 787
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 787)See below for interesting mathematical facts about the number 19139840 from the Numbermatics database.
Names of 19139840
- Cardinal: 19139840 can be written as Nineteen million, one hundred thirty-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.913984 × 107
Factors of 19139840
Divisors of 19139840
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 256 304 320 380 608 640 760 787 1216 1280 1520 1574 2432 3040 3148 3935 4864 6080 6296 7870 12160 12592 14953 15740 24320 25184 29906 31480 50368 59812 62960 74765 100736 119624 125920 149530 201472 239248 251840 299060 478496 503680 598120 956992 1007360 1196240 1913984 2392480 3827968 4784960 9569920 19139840
- Sum of all divisors σ(n): 48320160
- Sum of proper divisors (its aliquot sum) s(n): 29180320
- 19139840 is an abundant number, because the sum of its proper divisors (29180320) is greater than itself. Its abundance is 10040480
Bases of 19139840
- Binary: 10010010000001101000000002
- Hexadecimal: 0x1240D00
- Base-36: BE8E8
Squares and roots of 19139840
- 19139840 squared (191398402) is 366333475225600
- 19139840 cubed (191398403) is 7011564102461947904000
-
The
square root of 19139840 is 4374.9102847945 -
The
cube root of 19139840 is 267.4932132089
Scales and comparisons
How big is 19139840?- 19,139,840 seconds is equal to 31 weeks, 4 days, 12 hours, 37 minutes, 20 seconds.
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To count from 1 to 19,139,840 would take you about forty-seven weeks!
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 19139840 cubic inches would be around 22.3 feet tall.
Recreational maths with 19139840
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The information we have on file for 19139840 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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