145216720
145,216,720 is an even composite number composed of five prime numbers multiplied together.
What does the number 145216720 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 120 divisors.
145216720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 145216720:
24 × 5 × 11 × 172 × 571
(2 × 2 × 2 × 2 × 5 × 11 × 17 × 17 × 571)See below for interesting mathematical facts about the number 145216720 from the Numbermatics database.
Names of 145216720
- Cardinal: 145216720 can be written as One hundred forty-five million, two hundred sixteen thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.4521672 × 108
Factors of 145216720
Divisors of 145216720
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 11 16 17 20 22 34 40 44 55 68 80 85 88 110 136 170 176 187 220 272 289 340 374 440 571 578 680 748 880 935 1142 1156 1360 1445 1496 1870 2284 2312 2855 2890 2992 3179 3740 4568 4624 5710 5780 6281 6358 7480 9136 9707 11420 11560 12562 12716 14960 15895 19414 22840 23120 25124 25432 31405 31790 38828 45680 48535 50248 50864 62810 63580 77656 97070 100496 106777 125620 127160 155312 165019 194140 213554 251240 254320 330038 388280 427108 502480 533885 660076 776560 825095 854216 1067770 1320152 1650190 1708432 1815209 2135540 2640304 3300380 3630418 4271080 6600760 7260836 8542160 9076045 13201520 14521672 18152090 29043344 36304180 72608360 145216720
- Sum of all divisors σ(n): 391948128
- Sum of proper divisors (its aliquot sum) s(n): 246731408
- 145216720 is an abundant number, because the sum of its proper divisors (246731408) is greater than itself. Its abundance is 101514688
Bases of 145216720
- Binary: 10001010011111010100110100002
- Hexadecimal: 0x8A7D4D0
- Base-36: 2EGHXS
Squares and roots of 145216720
- 145216720 squared (1452167202) is 21087895767558400
- 145216720 cubed (1452167203) is 3062315055066713256448000
-
The
square root of 145216720 is 12050.5900270485 -
The
cube root of 145216720 is 525.6203943291
Scales and comparisons
How big is 145216720?- 145,216,720 seconds is equal to 4 years, 32 weeks, 17 hours, 58 minutes, 40 seconds.
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To count from 1 to 145,216,720 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 145216720 cubic inches would be around 43.8 feet tall.
Recreational maths with 145216720
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The information we have on file for 145216720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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