142721700
142,721,700 is an even composite number composed of six prime numbers multiplied together.
142721700 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 142721700:
22 × 3 × 52 × 11 × 61 × 709
(2 × 2 × 3 × 5 × 5 × 11 × 61 × 709)See below for interesting mathematical facts about the number 142721700 from the Numbermatics database.
Names of 142721700
- Cardinal: 142721700 can be written as One hundred forty-two million, seven hundred twenty-one thousand, seven hundred.
Scientific notation
- Scientific notation: 1.427217 × 108
Factors of 142721700
Divisors of 142721700
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 44 50 55 60 61 66 75 100 110 122 132 150 165 183 220 244 275 300 305 330 366 550 610 660 671 709 732 825 915 1100 1220 1342 1418 1525 1650 1830 2013 2127 2684 2836 3050 3300 3355 3545 3660 4026 4254 4575 6100 6710 7090 7799 8052 8508 9150 10065 10635 13420 14180 15598 16775 17725 18300 20130 21270 23397 31196 33550 35450 38995 40260 42540 43249 46794 50325 53175 67100 70900 77990 86498 93588 100650 106350 116985 129747 155980 172996 194975 201300 212700 216245 233970 259494 389950 432490 467940 475739 518988 584925 648735 779900 864980 951478 1081225 1169850 1297470 1427217 1902956 2162450 2339700 2378695 2594940 2854434 3243675 4324900 4757390 5708868 6487350 7136085 9514780 11893475 12974700 14272170 23786950 28544340 35680425 47573900 71360850 142721700
- Sum of all divisors σ(n): 458512320
- Sum of proper divisors (its aliquot sum) s(n): 315790620
- 142721700 is an abundant number, because the sum of its proper divisors (315790620) is greater than itself. Its abundance is 173068920
Bases of 142721700
- Binary: 10001000000111000010101001002
- Hexadecimal: 0x881C2A4
- Base-36: 2CZ0RO
Squares and roots of 142721700
- 142721700 squared (1427217002) is 20369483650890000
- 142721700 cubed (1427217003) is 2907167334777227313000000
-
The
square root of 142721700 is 11946.6187685051 -
The
cube root of 142721700 is 522.5926973955
Scales and comparisons
How big is 142721700?- 142,721,700 seconds is equal to 4 years, 27 weeks, 6 days, 20 hours, 55 minutes.
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To count from 1 to 142,721,700 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 142721700 cubic inches would be around 43.5 feet tall.
Recreational maths with 142721700
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