142689280
142,689,280 is an even composite number composed of four prime numbers multiplied together.
142689280 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 142689280:
210 × 5 × 29 × 312
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29 × 31 × 31)See below for interesting mathematical facts about the number 142689280 from the Numbermatics database.
Names of 142689280
- Cardinal: 142689280 can be written as One hundred forty-two million, six hundred eighty-nine thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.4268928 × 108
Factors of 142689280
Divisors of 142689280
- Number of divisors d(n): 132
-
Complete list of divisors:
1 2 4 5 8 10 16 20 29 31 32 40 58 62 64 80 116 124 128 145 155 160 232 248 256 290 310 320 464 496 512 580 620 640 899 928 961 992 1024 1160 1240 1280 1798 1856 1922 1984 2320 2480 2560 3596 3712 3844 3968 4495 4640 4805 4960 5120 7192 7424 7688 7936 8990 9280 9610 9920 14384 14848 15376 15872 17980 18560 19220 19840 27869 28768 29696 30752 31744 35960 37120 38440 39680 55738 57536 61504 71920 74240 76880 79360 111476 115072 123008 139345 143840 148480 153760 158720 222952 230144 246016 278690 287680 307520 445904 460288 492032 557380 575360 615040 891808 920576 984064 1114760 1150720 1230080 1783616 2229520 2301440 2460160 3567232 4459040 4602880 4920320 7134464 8918080 14268928 17836160 28537856 35672320 71344640 142689280
- Sum of all divisors σ(n): 365880780
- Sum of proper divisors (its aliquot sum) s(n): 223191500
- 142689280 is an abundant number, because the sum of its proper divisors (223191500) is greater than itself. Its abundance is 80502220
Bases of 142689280
- Binary: 10001000000101000100000000002
- Hexadecimal: 0x8814400
- Base-36: 2CYBR4
Squares and roots of 142689280
- 142689280 squared (1426892802) is 20360230626918400
- 142689280 cubed (1426892803) is 2905186648788935114752000
-
The
square root of 142689280 is 11945.2618221619 -
The
cube root of 142689280 is 522.5531244871
Scales and comparisons
How big is 142689280?- 142,689,280 seconds is equal to 4 years, 27 weeks, 6 days, 11 hours, 54 minutes, 40 seconds.
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To count from 1 to 142,689,280 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 142689280 cubic inches would be around 43.5 feet tall.
Recreational maths with 142689280
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