138898440
138,898,440 is an even composite number composed of five prime numbers multiplied together.
138898440 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 138898440:
23 × 32 × 5 × 353 × 1093
(2 × 2 × 2 × 3 × 3 × 5 × 353 × 1093)See below for interesting mathematical facts about the number 138898440 from the Numbermatics database.
Names of 138898440
- Cardinal: 138898440 can be written as One hundred thirty-eight million, eight hundred ninety-eight thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.3889844 × 108
Factors of 138898440
Divisors of 138898440
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 353 360 706 1059 1093 1412 1765 2118 2186 2824 3177 3279 3530 4236 4372 5295 5465 6354 6558 7060 8472 8744 9837 10590 10930 12708 13116 14120 15885 16395 19674 21180 21860 25416 26232 31770 32790 39348 42360 43720 49185 63540 65580 78696 98370 127080 131160 196740 385829 393480 771658 1157487 1543316 1929145 2314974 3086632 3472461 3858290 4629948 5787435 6944922 7716580 9259896 11574870 13889844 15433160 17362305 23149740 27779688 34724610 46299480 69449220 138898440
- Sum of all divisors σ(n): 453112920
- Sum of proper divisors (its aliquot sum) s(n): 314214480
- 138898440 is an abundant number, because the sum of its proper divisors (314214480) is greater than itself. Its abundance is 175316040
Bases of 138898440
- Binary: 10000100011101101100000010002
- Hexadecimal: 0x8476C08
- Base-36: 2AP2Q0
Squares and roots of 138898440
- 138898440 squared (1388984402) is 19292776634433600
- 138898440 cubed (1388984403) is 2679736577791277323584000
-
The
square root of 138898440 is 11785.5182321355 -
The
cube root of 138898440 is 517.8839550627
Scales and comparisons
How big is 138898440?- 138,898,440 seconds is equal to 4 years, 21 weeks, 4 days, 14 hours, 54 minutes.
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To count from 1 to 138,898,440 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 138898440 cubic inches would be around 43.2 feet tall.
Recreational maths with 138898440
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