138956160
138,956,160 is an even composite number composed of five prime numbers multiplied together.
138956160 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138956160:
27 × 3 × 5 × 73 × 211
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 7 × 211)See below for interesting mathematical facts about the number 138956160 from the Numbermatics database.
Names of 138956160
- Cardinal: 138956160 can be written as One hundred thirty-eight million, nine hundred fifty-six thousand, one hundred sixty.
Scientific notation
- Scientific notation: 1.3895616 × 108
Factors of 138956160
Divisors of 138956160
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 128 140 147 160 168 192 196 210 211 224 240 245 280 294 320 336 343 384 392 420 422 448 480 490 560 588 633 640 672 686 735 784 840 844 896 960 980 1029 1055 1120 1176 1266 1344 1372 1470 1477 1568 1680 1688 1715 1920 1960 2058 2110 2240 2352 2532 2688 2744 2940 2954 3136 3165 3360 3376 3430 3920 4116 4220 4431 4480 4704 5064 5145 5488 5880 5908 6272 6330 6720 6752 6860 7385 7840 8232 8440 8862 9408 10128 10290 10339 10976 11760 11816 12660 13440 13504 13720 14770 15680 16464 16880 17724 18816 20256 20580 20678 21952 22155 23520 23632 25320 27008 27440 29540 31017 31360 32928 33760 35448 40512 41160 41356 43904 44310 47040 47264 50640 51695 54880 59080 62034 65856 67520 70896 72373 81024 82320 82712 88620 94080 94528 101280 103390 109760 118160 124068 131712 135040 141792 144746 155085 164640 165424 177240 189056 202560 206780 217119 219520 236320 248136 283584 289492 310170 329280 330848 354480 361865 405120 413560 434238 472640 496272 567168 578984 620340 658560 661696 708960 723730 827120 868476 945280 992544 1085595 1157968 1240680 1323392 1417920 1447460 1654240 1736952 1985088 2171190 2315936 2481360 2835840 2894920 3308480 3473904 3970176 4342380 4631872 4962720 5789840 6616960 6947808 8684760 9263744 9925440 11579680 13895616 17369520 19850880 23159360 27791232 34739040 46318720 69478080 138956160
- Sum of all divisors σ(n): 518976000
- Sum of proper divisors (its aliquot sum) s(n): 380019840
- 138956160 is an abundant number, because the sum of its proper divisors (380019840) is greater than itself. Its abundance is 241063680
Bases of 138956160
- Binary: 10000100100001001101100000002
- Hexadecimal: 0x8484D80
- Base-36: 2AQB9C
Squares and roots of 138956160
- 138956160 squared (1389561602) is 19308814401945600
- 138956160 cubed (1389561603) is 2683078703447057104896000
-
The
square root of 138956160 is 11787.9667457963 -
The
cube root of 138956160 is 517.9556816235
Scales and comparisons
How big is 138956160?- 138,956,160 seconds is equal to 4 years, 21 weeks, 5 days, 6 hours, 56 minutes.
-
To count from 1 to 138,956,160 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 138956160 cubic inches would be around 43.2 feet tall.
Recreational maths with 138956160
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