138680550
138,680,550 is an even composite number composed of six prime numbers multiplied together.
138680550 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 138680550:
2 × 32 × 52 × 47 × 79 × 83
(2 × 3 × 3 × 5 × 5 × 47 × 79 × 83)See below for interesting mathematical facts about the number 138680550 from the Numbermatics database.
Names of 138680550
- Cardinal: 138680550 can be written as One hundred thirty-eight million, six hundred eighty thousand, five hundred fifty.
Scientific notation
- Scientific notation: 1.3868055 × 108
Factors of 138680550
Divisors of 138680550
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 25 30 45 47 50 75 79 83 90 94 141 150 158 166 225 235 237 249 282 395 415 423 450 470 474 498 705 711 747 790 830 846 1175 1185 1245 1410 1422 1494 1975 2075 2115 2350 2370 2490 3525 3555 3713 3735 3901 3950 4150 4230 5925 6225 6557 7050 7110 7426 7470 7802 10575 11139 11703 11850 12450 13114 17775 18565 18675 19505 19671 21150 22278 23406 32785 33417 35109 35550 37130 37350 39010 39342 55695 58515 59013 65570 66834 70218 92825 97525 98355 111390 117030 118026 163925 167085 175545 185650 195050 196710 278475 292575 295065 308179 327850 334170 351090 491775 556950 585150 590130 616358 835425 877725 924537 983550 1475325 1540895 1670850 1755450 1849074 2773611 2950650 3081790 4622685 5547222 7704475 9245370 13868055 15408950 23113425 27736110 46226850 69340275 138680550
- Sum of all divisors σ(n): 389975040
- Sum of proper divisors (its aliquot sum) s(n): 251294490
- 138680550 is an abundant number, because the sum of its proper divisors (251294490) is greater than itself. Its abundance is 112613940
Bases of 138680550
- Binary: 10000100010000011000111001102
- Hexadecimal: 0x84418E6
- Base-36: 2AKELI
Squares and roots of 138680550
- 138680550 squared (1386805502) is 19232294948302500
- 138680550 cubed (1386805503) is 2667145241192812266375000
-
The
square root of 138680550 is 11776.2706320805 -
The
cube root of 138680550 is 517.6130117955
Scales and comparisons
How big is 138680550?- 138,680,550 seconds is equal to 4 years, 21 weeks, 2 days, 2 hours, 22 minutes, 30 seconds.
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To count from 1 to 138,680,550 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 138680550 cubic inches would be around 43.1 feet tall.
Recreational maths with 138680550
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