138261340
138,261,340 is an even composite number composed of six prime numbers multiplied together.
What does the number 138261340 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 144 divisors.
138261340 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138261340:
22 × 5 × 72 × 17 × 43 × 193
(2 × 2 × 5 × 7 × 7 × 17 × 43 × 193)See below for interesting mathematical facts about the number 138261340 from the Numbermatics database.
Names of 138261340
- Cardinal: 138261340 can be written as One hundred thirty-eight million, two hundred sixty-one thousand, three hundred forty.
Scientific notation
- Scientific notation: 1.3826134 × 108
Factors of 138261340
Divisors of 138261340
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 14 17 20 28 34 35 43 49 68 70 85 86 98 119 140 170 172 193 196 215 238 245 301 340 386 430 476 490 595 602 731 772 833 860 965 980 1190 1204 1351 1462 1505 1666 1930 2107 2380 2702 2924 3010 3281 3332 3655 3860 4165 4214 5117 5404 6020 6562 6755 7310 8299 8330 8428 9457 10234 10535 13124 13510 14620 16405 16598 16660 18914 20468 21070 22967 25585 27020 32810 33196 35819 37828 41495 42140 45934 47285 51170 58093 65620 71638 82990 91868 94570 102340 114835 116186 141083 143276 160769 165980 179095 189140 229670 232372 282166 290465 321538 358190 406651 459340 564332 580930 643076 705415 716380 803845 813302 987581 1161860 1410830 1607690 1626604 1975162 2033255 2821660 3215380 3950324 4066510 4937905 6913067 8133020 9875810 13826134 19751620 27652268 34565335 69130670 138261340
- Sum of all divisors σ(n): 367833312
- Sum of proper divisors (its aliquot sum) s(n): 229571972
- 138261340 is an abundant number, because the sum of its proper divisors (229571972) is greater than itself. Its abundance is 91310632
Bases of 138261340
- Binary: 10000011110110110011010111002
- Hexadecimal: 0x83DB35C
- Base-36: 2ABF4S
Squares and roots of 138261340
- 138261340 squared (1382613402) is 19116198138595600
- 138261340 cubed (1382613403) is 2643031170347733374104000
-
The
square root of 138261340 is 11758.4582322681 -
The
cube root of 138261340 is 517.0909305097
Scales and comparisons
How big is 138261340?- 138,261,340 seconds is equal to 4 years, 20 weeks, 4 days, 5 hours, 55 minutes, 40 seconds.
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To count from 1 to 138,261,340 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 138261340 cubic inches would be around 43.1 feet tall.
Recreational maths with 138261340
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