138479040
138,479,040 is an even composite number composed of five prime numbers multiplied together.
138479040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 138479040:
26 × 32 × 5 × 7 × 6869
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 6869)See below for interesting mathematical facts about the number 138479040 from the Numbermatics database.
Names of 138479040
- Cardinal: 138479040 can be written as One hundred thirty-eight million, four hundred seventy-nine thousand and forty.
Scientific notation
- Scientific notation: 1.3847904 × 108
Factors of 138479040
Divisors of 138479040
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 420 448 480 504 560 576 630 672 720 840 960 1008 1120 1260 1344 1440 1680 2016 2240 2520 2880 3360 4032 5040 6720 6869 10080 13738 20160 20607 27476 34345 41214 48083 54952 61821 68690 82428 96166 103035 109904 123642 137380 144249 164856 192332 206070 219808 240415 247284 274760 288498 309105 329712 384664 412140 432747 439616 480830 494568 549520 576996 618210 659424 721245 769328 824280 865494 961660 989136 1099040 1153992 1236420 1318848 1442490 1538656 1648560 1730988 1923320 1978272 2163735 2198080 2307984 2472840 2884980 3077312 3297120 3461976 3846640 3956544 4327470 4615968 4945680 5769960 6594240 6923952 7693280 8654940 9231936 9891360 11539920 13847904 15386560 17309880 19782720 23079840 27695808 34619760 46159680 69239520 138479040
- Sum of all divisors σ(n): 544433760
- Sum of proper divisors (its aliquot sum) s(n): 405954720
- 138479040 is an abundant number, because the sum of its proper divisors (405954720) is greater than itself. Its abundance is 267475680
Bases of 138479040
- Binary: 10000100000100000101110000002
- Hexadecimal: 0x84105C0
- Base-36: 2AG340
Squares and roots of 138479040
- 138479040 squared (1384790402) is 19176444519321600
- 138479040 cubed (1384790403) is 2655535627648916619264000
-
The
square root of 138479040 is 11767.7117571769 -
The
cube root of 138479040 is 517.3621841233
Scales and comparisons
How big is 138479040?- 138,479,040 seconds is equal to 4 years, 20 weeks, 6 days, 18 hours, 24 minutes.
-
To count from 1 to 138,479,040 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 138479040 cubic inches would be around 43.1 feet tall.
Recreational maths with 138479040
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