145485720
145,485,720 is an even composite number composed of five prime numbers multiplied together.
145485720 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 145485720:
23 × 34 × 5 × 83 × 541
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 83 × 541)See below for interesting mathematical facts about the number 145485720 from the Numbermatics database.
Names of 145485720
- Cardinal: 145485720 can be written as One hundred forty-five million, four hundred eighty-five thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.4548572 × 108
Factors of 145485720
Divisors of 145485720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 83 90 108 120 135 162 166 180 216 249 270 324 332 360 405 415 498 540 541 648 664 747 810 830 996 1080 1082 1245 1494 1620 1623 1660 1992 2164 2241 2490 2705 2988 3240 3246 3320 3735 4328 4482 4869 4980 5410 5976 6492 6723 7470 8115 8964 9738 9960 10820 11205 12984 13446 14607 14940 16230 17928 19476 21640 22410 24345 26892 29214 29880 32460 33615 38952 43821 44820 44903 48690 53784 58428 64920 67230 73035 87642 89640 89806 97380 116856 134460 134709 146070 175284 179612 194760 219105 224515 268920 269418 292140 350568 359224 404127 438210 449030 538836 584280 673545 808254 876420 898060 1077672 1212381 1347090 1616508 1752840 1796120 2020635 2424762 2694180 3233016 3637143 4041270 4849524 5388360 6061905 7274286 8082540 9699048 12123810 14548572 16165080 18185715 24247620 29097144 36371430 48495240 72742860 145485720
- Sum of all divisors σ(n): 495799920
- Sum of proper divisors (its aliquot sum) s(n): 350314200
- 145485720 is an abundant number, because the sum of its proper divisors (350314200) is greater than itself. Its abundance is 204828480
Bases of 145485720
- Binary: 10001010101111101111100110002
- Hexadecimal: 0x8ABEF98
- Base-36: 2EM9I0
Squares and roots of 145485720
- 145485720 squared (1454857202) is 21166094723918400
- 145485720 cubed (1454857203) is 3079364530497469645248000
-
The
square root of 145485720 is 12061.7461422465 -
The
cube root of 145485720 is 525.9447478673
Scales and comparisons
How big is 145485720?- 145,485,720 seconds is equal to 4 years, 32 weeks, 3 days, 20 hours, 42 minutes.
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To count from 1 to 145,485,720 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 145485720 cubic inches would be around 43.8 feet tall.
Recreational maths with 145485720
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