138621000
138,621,000 is an even composite number composed of six prime numbers multiplied together.
138621000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 138621000:
23 × 3 × 53 × 72 × 23 × 41
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 7 × 7 × 23 × 41)See below for interesting mathematical facts about the number 138621000 from the Numbermatics database.
Names of 138621000
- Cardinal: 138621000 can be written as One hundred thirty-eight million, six hundred twenty-one thousand.
Scientific notation
- Scientific notation: 1.38621 × 108
Factors of 138621000
Divisors of 138621000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 23 24 25 28 30 35 40 41 42 46 49 50 56 60 69 70 75 82 84 92 98 100 105 115 120 123 125 138 140 147 150 161 164 168 175 184 196 200 205 210 230 245 246 250 276 280 287 294 300 322 328 345 350 375 392 410 420 460 483 490 492 500 525 552 574 575 588 600 615 644 690 700 735 750 805 820 840 861 875 920 943 966 980 984 1000 1025 1050 1127 1148 1150 1176 1225 1230 1288 1380 1400 1435 1470 1500 1610 1640 1722 1725 1750 1886 1932 1960 2009 2050 2100 2254 2296 2300 2415 2450 2460 2625 2760 2829 2870 2875 2940 3000 3075 3220 3381 3444 3450 3500 3675 3772 3864 4018 4025 4100 4200 4305 4508 4600 4715 4830 4900 4920 5125 5250 5635 5658 5740 5750 5880 6027 6125 6150 6440 6601 6762 6888 6900 7000 7175 7350 7544 8036 8050 8200 8610 8625 9016 9430 9660 9800 10045 10250 10500 11270 11316 11480 11500 12054 12075 12250 12300 13202 13524 13800 14145 14350 14700 15375 16072 16100 16905 17220 17250 18375 18860 19320 19803 20090 20125 20500 21000 21525 22540 22632 23000 23575 24108 24150 24500 24600 26404 27048 28175 28290 28700 29400 30135 30750 32200 33005 33810 34440 34500 35875 36750 37720 39606 40180 40250 41000 43050 45080 46207 47150 48216 48300 49000 50225 52808 56350 56580 57400 60270 60375 61500 66010 67620 69000 70725 71750 73500 79212 80360 80500 84525 86100 92414 94300 96600 99015 100450 107625 112700 113160 117875 120540 120750 123000 132020 135240 138621 140875 141450 143500 147000 150675 158424 161000 165025 169050 172200 184828 188600 198030 200900 215250 225400 231035 235750 241080 241500 251125 264040 277242 281750 282900 287000 301350 330050 338100 353625 369656 396060 401800 422625 430500 462070 471500 483000 495075 502250 554484 563500 565800 602700 660100 676200 693105 707250 753375 792120 825125 845250 861000 924140 943000 990150 1004500 1108968 1127000 1155175 1205400 1320200 1386210 1414500 1506750 1650250 1690500 1848280 1980300 2009000 2310350 2475375 2772420 2829000 3013500 3300500 3381000 3465525 3960600 4620700 4950750 5544840 5775875 6027000 6601000 6931050 9241400 9901500 11551750 13862100 17327625 19803000 23103500 27724200 34655250 46207000 69310500 138621000
- Sum of all divisors σ(n): 537788160
- Sum of proper divisors (its aliquot sum) s(n): 399167160
- 138621000 is an abundant number, because the sum of its proper divisors (399167160) is greater than itself. Its abundance is 260546160
Bases of 138621000
- Binary: 10000100001100110000010010002
- Hexadecimal: 0x8433048
- Base-36: 2AJ4NC
Squares and roots of 138621000
- 138621000 squared (1386210002) is 19215781641000000
- 138621000 cubed (1386210003) is 2663710866857061000000000
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The
square root of 138621000 is 11773.7419710133 -
The
cube root of 138621000 is 517.5389128013
Scales and comparisons
How big is 138621000?- 138,621,000 seconds is equal to 4 years, 21 weeks, 1 day, 9 hours, 50 minutes.
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To count from 1 to 138,621,000 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 138621000 cubic inches would be around 43.1 feet tall.
Recreational maths with 138621000
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