138908000
138,908,000 is an even composite number composed of five prime numbers multiplied together.
138908000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138908000:
25 × 53 × 7 × 112 × 41
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 7 × 11 × 11 × 41)See below for interesting mathematical facts about the number 138908000 from the Numbermatics database.
Names of 138908000
- Cardinal: 138908000 can be written as One hundred thirty-eight million, nine hundred eight thousand.
Scientific notation
- Scientific notation: 1.38908 × 108
Factors of 138908000
Divisors of 138908000
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 41 44 50 55 56 70 77 80 82 88 100 110 112 121 125 140 154 160 164 175 176 200 205 220 224 242 250 275 280 287 308 328 350 352 385 400 410 440 451 484 500 550 560 574 605 616 656 700 770 800 820 847 875 880 902 968 1000 1025 1100 1120 1148 1210 1232 1312 1375 1400 1435 1540 1640 1694 1750 1760 1804 1925 1936 2000 2050 2200 2255 2296 2420 2464 2750 2800 2870 3025 3080 3157 3280 3388 3500 3608 3850 3872 4000 4100 4235 4400 4510 4592 4840 4961 5125 5500 5600 5740 6050 6160 6314 6560 6776 7000 7175 7216 7700 8200 8470 8800 9020 9184 9625 9680 9922 10250 11000 11275 11480 12100 12320 12628 13552 14000 14350 14432 15125 15400 15785 16400 16940 18040 19250 19360 19844 20500 21175 22000 22550 22960 24200 24805 25256 27104 28000 28700 30250 30800 31570 32800 33880 34727 35875 36080 38500 39688 41000 42350 44000 45100 45920 48400 49610 50512 56375 57400 60500 61600 63140 67760 69454 71750 72160 77000 78925 79376 82000 84700 90200 96800 99220 101024 105875 112750 114800 121000 124025 126280 135520 138908 143500 154000 157850 158752 164000 169400 173635 180400 198440 211750 225500 229600 242000 248050 252560 277816 287000 308000 315700 338800 347270 360800 394625 396880 423500 451000 484000 496100 505120 555632 574000 620125 631400 677600 694540 789250 793760 847000 868175 902000 992200 1111264 1148000 1240250 1262800 1389080 1578500 1694000 1736350 1804000 1984400 2480500 2525600 2778160 3157000 3388000 3472700 3968800 4340875 4961000 5556320 6314000 6945400 8681750 9922000 12628000 13890800 17363500 19844000 27781600 34727000 69454000 138908000
- Sum of all divisors σ(n): 439193664
- Sum of proper divisors (its aliquot sum) s(n): 300285664
- 138908000 is an abundant number, because the sum of its proper divisors (300285664) is greater than itself. Its abundance is 161377664
Bases of 138908000
- Binary: 10000100011110010001011000002
- Hexadecimal: 0x8479160
- Base-36: 2APA3K
Squares and roots of 138908000
- 138908000 squared (1389080002) is 19295432464000000
- 138908000 cubed (1389080003) is 2680289932709312000000000
-
The
square root of 138908000 is 11785.9238076615 -
The
cube root of 138908000 is 517.8958363025
Scales and comparisons
How big is 138908000?- 138,908,000 seconds is equal to 4 years, 21 weeks, 4 days, 17 hours, 33 minutes, 20 seconds.
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To count from 1 to 138,908,000 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 138908000 cubic inches would be around 43.2 feet tall.
Recreational maths with 138908000
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