138744450
138,744,450 is an even composite number composed of six prime numbers multiplied together.
138744450 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 138744450:
2 × 32 × 52 × 13 × 37 × 641
(2 × 3 × 3 × 5 × 5 × 13 × 37 × 641)See below for interesting mathematical facts about the number 138744450 from the Numbermatics database.
Names of 138744450
- Cardinal: 138744450 can be written as One hundred thirty-eight million, seven hundred forty-four thousand, four hundred fifty.
Scientific notation
- Scientific notation: 1.3874445 × 108
Factors of 138744450
Divisors of 138744450
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 25 26 30 37 39 45 50 65 74 75 78 90 111 117 130 150 185 195 222 225 234 325 333 370 390 450 481 555 585 641 650 666 925 962 975 1110 1170 1282 1443 1665 1850 1923 1950 2405 2775 2886 2925 3205 3330 3846 4329 4810 5550 5769 5850 6410 7215 8325 8333 8658 9615 11538 12025 14430 16025 16650 16666 19230 21645 23717 24050 24999 28845 32050 36075 41665 43290 47434 48075 49998 57690 71151 72150 74997 83330 96150 108225 118585 124995 142302 144225 149994 208325 213453 216450 237170 249990 288450 308321 355755 374985 416650 426906 592925 616642 624975 711510 749970 924963 1067265 1185850 1249950 1541605 1778775 1849926 1874925 2134530 2774889 3083210 3557550 3749850 4624815 5336325 5549778 7708025 9249630 10672650 13874445 15416050 23124075 27748890 46248150 69372225 138744450
- Sum of all divisors σ(n): 412926696
- Sum of proper divisors (its aliquot sum) s(n): 274182246
- 138744450 is an abundant number, because the sum of its proper divisors (274182246) is greater than itself. Its abundance is 135437796
Bases of 138744450
- Binary: 10000100010100010010100000102
- Hexadecimal: 0x8451282
- Base-36: 2ALRWI
Squares and roots of 138744450
- 138744450 squared (1387444502) is 19250022405802500
- 138744450 cubed (1387444503) is 2670833771180744671125000
-
The
square root of 138744450 is 11778.9834026541 -
The
cube root of 138744450 is 517.6924999735
Scales and comparisons
How big is 138744450?- 138,744,450 seconds is equal to 4 years, 21 weeks, 2 days, 20 hours, 7 minutes, 30 seconds.
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To count from 1 to 138,744,450 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 138744450 cubic inches would be around 43.1 feet tall.
Recreational maths with 138744450
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