142919920
142,919,920 is an even composite number composed of five prime numbers multiplied together.
142919920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 142919920:
24 × 5 × 11 × 132 × 312
(2 × 2 × 2 × 2 × 5 × 11 × 13 × 13 × 31 × 31)See below for interesting mathematical facts about the number 142919920 from the Numbermatics database.
Names of 142919920
- Cardinal: 142919920 can be written as One hundred forty-two million, nine hundred nineteen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.4291992 × 108
Factors of 142919920
Divisors of 142919920
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 4 5 8 10 11 13 16 20 22 26 31 40 44 52 55 62 65 80 88 104 110 124 130 143 155 169 176 208 220 248 260 286 310 338 341 403 440 496 520 572 620 676 682 715 806 845 880 961 1040 1144 1240 1352 1364 1430 1612 1690 1705 1859 1922 2015 2288 2480 2704 2728 2860 3224 3380 3410 3718 3844 4030 4433 4805 5239 5456 5720 6448 6760 6820 7436 7688 8060 8866 9295 9610 10478 10571 11440 12493 13520 13640 14872 15376 16120 17732 18590 19220 20956 21142 22165 24986 26195 27280 29744 32240 35464 37180 38440 41912 42284 44330 49972 52390 52855 57629 62465 70928 74360 76880 83824 84568 88660 99944 104780 105710 115258 124930 137423 148720 162409 169136 177320 199888 209560 211420 230516 249860 274846 288145 324818 354640 419120 422840 461032 499720 549692 576290 649636 687115 812045 845680 922064 999440 1099384 1152580 1299272 1374230 1624090 1786499 2198768 2305160 2598544 2748460 3248180 3572998 4610320 5496920 6496360 7145996 8932495 10993840 12992720 14291992 17864990 28583984 35729980 71459960 142919920
- Sum of all divisors σ(n): 405596808
- Sum of proper divisors (its aliquot sum) s(n): 262676888
- 142919920 is an abundant number, because the sum of its proper divisors (262676888) is greater than itself. Its abundance is 119756968
Bases of 142919920
- Binary: 10001000010011001000111100002
- Hexadecimal: 0x884C8F0
- Base-36: 2D39PS
Squares and roots of 142919920
- 142919920 squared (1429199202) is 20426103532806400
- 142919920 cubed (1429199203) is 2919297082820408063488000
-
The
square root of 142919920 is 11954.9119611983 -
The
cube root of 142919920 is 522.8345209467
Scales and comparisons
How big is 142919920?- 142,919,920 seconds is equal to 4 years, 28 weeks, 2 days, 3 hours, 58 minutes, 40 seconds.
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To count from 1 to 142,919,920 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 142919920 cubic inches would be around 43.6 feet tall.
Recreational maths with 142919920
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