138893400
138,893,400 is an even composite number composed of five prime numbers multiplied together.
138893400 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 138893400:
23 × 33 × 52 × 172 × 89
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 17 × 17 × 89)See below for interesting mathematical facts about the number 138893400 from the Numbermatics database.
Names of 138893400
- Cardinal: 138893400 can be written as One hundred thirty-eight million, eight hundred ninety-three thousand, four hundred.
Scientific notation
- Scientific notation: 1.388934 × 108
Factors of 138893400
Divisors of 138893400
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 25 27 30 34 36 40 45 50 51 54 60 68 72 75 85 89 90 100 102 108 120 135 136 150 153 170 178 180 200 204 216 225 255 267 270 289 300 306 340 356 360 408 425 445 450 459 510 534 540 578 600 612 675 680 712 765 801 850 867 890 900 918 1020 1068 1080 1156 1224 1275 1335 1350 1445 1513 1530 1602 1700 1734 1780 1800 1836 2040 2136 2225 2295 2312 2403 2550 2601 2670 2700 2890 3026 3060 3204 3400 3468 3560 3672 3825 4005 4335 4450 4539 4590 4806 5100 5202 5340 5400 5780 6052 6120 6408 6675 6936 7225 7565 7650 7803 8010 8670 8900 9078 9180 9612 10200 10404 10680 11475 11560 12015 12104 13005 13350 13617 14450 15130 15300 15606 16020 17340 17800 18156 18360 19224 20025 20808 21675 22695 22950 24030 25721 26010 26700 27234 28900 30260 30600 31212 32040 34680 36312 37825 39015 40050 40851 43350 45390 45900 48060 51442 52020 53400 54468 57800 60075 60520 62424 65025 68085 75650 77163 78030 80100 81702 86700 90780 91800 96120 102884 104040 108936 113475 120150 128605 130050 136170 151300 154326 156060 160200 163404 173400 181560 195075 204255 205768 226950 231489 240300 257210 260100 272340 302600 308652 312120 326808 340425 385815 390150 408510 453900 462978 480600 514420 520200 544680 617304 643025 680850 694467 771630 780300 817020 907800 925956 1021275 1028840 1157445 1286050 1361700 1388934 1543260 1560600 1634040 1851912 1929075 2042550 2314890 2572100 2723400 2777868 3086520 3472335 3858150 4085100 4629780 5144200 5555736 5787225 6944670 7716300 8170200 9259560 11574450 13889340 15432600 17361675 23148900 27778680 34723350 46297800 69446700 138893400
- Sum of all divisors σ(n): 513918000
- Sum of proper divisors (its aliquot sum) s(n): 375024600
- 138893400 is an abundant number, because the sum of its proper divisors (375024600) is greater than itself. Its abundance is 236131200
Bases of 138893400
- Binary: 10000100011101011000010110002
- Hexadecimal: 0x8475858
- Base-36: 2AOYU0
Squares and roots of 138893400
- 138893400 squared (1388934002) is 19291376563560000
- 138893400 cubed (1388934003) is 2679444881593164504000000
-
The
square root of 138893400 is 11785.3044084571 -
The
cube root of 138893400 is 517.8776910933
Scales and comparisons
How big is 138893400?- 138,893,400 seconds is equal to 4 years, 21 weeks, 4 days, 13 hours, 30 minutes.
-
To count from 1 to 138,893,400 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 138893400 cubic inches would be around 43.2 feet tall.
Recreational maths with 138893400
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