138872250
138,872,250 is an even composite number composed of six prime numbers multiplied together.
138872250 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138872250:
2 × 32 × 53 × 11 × 31 × 181
(2 × 3 × 3 × 5 × 5 × 5 × 11 × 31 × 181)See below for interesting mathematical facts about the number 138872250 from the Numbermatics database.
Names of 138872250
- Cardinal: 138872250 can be written as One hundred thirty-eight million, eight hundred seventy-two thousand, two hundred fifty.
Scientific notation
- Scientific notation: 1.3887225 × 108
Factors of 138872250
Divisors of 138872250
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 25 30 31 33 45 50 55 62 66 75 90 93 99 110 125 150 155 165 181 186 198 225 250 275 279 310 330 341 362 375 450 465 495 543 550 558 682 750 775 825 905 930 990 1023 1086 1125 1375 1395 1550 1629 1650 1705 1810 1991 2046 2250 2325 2475 2715 2750 2790 3069 3258 3410 3875 3982 4125 4525 4650 4950 5115 5430 5611 5973 6138 6975 7750 8145 8250 8525 9050 9955 10230 11222 11625 11946 12375 13575 13950 15345 16290 16833 17050 17919 19910 22625 23250 24750 25575 27150 28055 29865 30690 33666 34875 35838 40725 42625 45250 49775 50499 51150 56110 59730 61721 67875 69750 76725 81450 84165 85250 89595 99550 100998 123442 127875 135750 140275 149325 153450 168330 179190 185163 203625 248875 252495 255750 280550 298650 308605 370326 383625 407250 420825 447975 497750 504990 555489 617210 701375 746625 767250 841650 895950 925815 1110978 1262475 1402750 1493250 1543025 1851630 2104125 2239875 2524950 2777445 3086050 4208250 4479750 4629075 5554890 6312375 7715125 9258150 12624750 13887225 15430250 23145375 27774450 46290750 69436125 138872250
- Sum of all divisors σ(n): 425198592
- Sum of proper divisors (its aliquot sum) s(n): 286326342
- 138872250 is an abundant number, because the sum of its proper divisors (286326342) is greater than itself. Its abundance is 147454092
Bases of 138872250
- Binary: 10000100011100000101101110102
- Hexadecimal: 0x84705BA
- Base-36: 2AOIII
Squares and roots of 138872250
- 138872250 squared (1388722502) is 19285501820062500
- 138872250 cubed (1388722503) is 2678221030131174515625000
-
The
square root of 138872250 is 11784.4070703621 -
The
cube root of 138872250 is 517.8514031411
Scales and comparisons
How big is 138872250?- 138,872,250 seconds is equal to 4 years, 21 weeks, 4 days, 7 hours, 37 minutes, 30 seconds.
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To count from 1 to 138,872,250 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 138872250 cubic inches would be around 43.2 feet tall.
Recreational maths with 138872250
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