138722100
138,722,100 is an even composite number composed of six prime numbers multiplied together.
138722100 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 138722100:
22 × 3 × 52 × 11 × 127 × 331
(2 × 2 × 3 × 5 × 5 × 11 × 127 × 331)See below for interesting mathematical facts about the number 138722100 from the Numbermatics database.
Names of 138722100
- Cardinal: 138722100 can be written as One hundred thirty-eight million, seven hundred twenty-two thousand, one hundred.
Scientific notation
- Scientific notation: 1.387221 × 108
Factors of 138722100
Divisors of 138722100
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 44 50 55 60 66 75 100 110 127 132 150 165 220 254 275 300 330 331 381 508 550 635 660 662 762 825 993 1100 1270 1324 1397 1524 1650 1655 1905 1986 2540 2794 3175 3300 3310 3641 3810 3972 4191 4965 5588 6350 6620 6985 7282 7620 8275 8382 9525 9930 10923 12700 13970 14564 16550 16764 18205 19050 19860 20955 21846 24825 27940 33100 34925 36410 38100 41910 42037 43692 49650 54615 69850 72820 83820 84074 91025 99300 104775 109230 126111 139700 168148 182050 209550 210185 218460 252222 273075 364100 419100 420370 462407 504444 546150 630555 840740 924814 1050925 1092300 1261110 1387221 1849628 2101850 2312035 2522220 2774442 3152775 4203700 4624070 5548884 6305550 6936105 9248140 11560175 12611100 13872210 23120350 27744420 34680525 46240700 69361050 138722100
- Sum of all divisors σ(n): 442638336
- Sum of proper divisors (its aliquot sum) s(n): 303916236
- 138722100 is an abundant number, because the sum of its proper divisors (303916236) is greater than itself. Its abundance is 165194136
Bases of 138722100
- Binary: 10000100010010111011001101002
- Hexadecimal: 0x844BB34
- Base-36: 2ALANO
Squares and roots of 138722100
- 138722100 squared (1387221002) is 19243821028410000
- 138722100 cubed (1387221003) is 2669543265085194861000000
-
The
square root of 138722100 is 11778.0346408049 -
The
cube root of 138722100 is 517.6647005463
Scales and comparisons
How big is 138722100?- 138,722,100 seconds is equal to 4 years, 21 weeks, 2 days, 13 hours, 55 minutes.
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To count from 1 to 138,722,100 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 138722100 cubic inches would be around 43.1 feet tall.
Recreational maths with 138722100
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