142768640
142,768,640 is an even composite number composed of five prime numbers multiplied together.
142768640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 142768640:
29 × 5 × 7 × 31 × 257
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 257)See below for interesting mathematical facts about the number 142768640 from the Numbermatics database.
Names of 142768640
- Cardinal: 142768640 can be written as One hundred forty-two million, seven hundred sixty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.4276864 × 108
Factors of 142768640
Divisors of 142768640
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 64 70 80 112 124 128 140 155 160 217 224 248 256 257 280 310 320 434 448 496 512 514 560 620 640 868 896 992 1028 1085 1120 1240 1280 1285 1736 1792 1799 1984 2056 2170 2240 2480 2560 2570 3472 3584 3598 3968 4112 4340 4480 4960 5140 6944 7196 7936 7967 8224 8680 8960 8995 9920 10280 13888 14392 15872 15934 16448 17360 17920 17990 19840 20560 27776 28784 31868 32896 34720 35980 39680 39835 41120 55552 55769 57568 63736 65792 69440 71960 79360 79670 82240 111104 111538 115136 127472 131584 138880 143920 159340 164480 223076 230272 254944 277760 278845 287840 318680 328960 446152 460544 509888 555520 557690 575680 637360 657920 892304 921088 1019776 1115380 1151360 1274720 1784608 2039552 2230760 2302720 2549440 3569216 4079104 4461520 4605440 5098880 7138432 8923040 10197760 14276864 17846080 20395520 28553728 35692160 71384320 142768640
- Sum of all divisors σ(n): 405402624
- Sum of proper divisors (its aliquot sum) s(n): 262633984
- 142768640 is an abundant number, because the sum of its proper divisors (262633984) is greater than itself. Its abundance is 119865344
Bases of 142768640
- Binary: 10001000001001111010000000002
- Hexadecimal: 0x8827A00
- Base-36: 2D00ZK
Squares and roots of 142768640
- 142768640 squared (1427686402) is 20382884567449600
- 142768640 cubed (1427686403) is 2910036708971767660544000
-
The
square root of 142768640 is 11948.5831796075 -
The
cube root of 142768640 is 522.6499832705
Scales and comparisons
How big is 142768640?- 142,768,640 seconds is equal to 4 years, 28 weeks, 9 hours, 57 minutes, 20 seconds.
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To count from 1 to 142,768,640 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 142768640 cubic inches would be around 43.6 feet tall.
Recreational maths with 142768640
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