145145520
145,145,520 is an even composite number composed of five prime numbers multiplied together.
145145520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred divisors.
Prime factorization of 145145520:
24 × 34 × 5 × 13 × 1723
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 1723)See below for interesting mathematical facts about the number 145145520 from the Numbermatics database.
Names of 145145520
- Cardinal: 145145520 can be written as One hundred forty-five million, one hundred forty-five thousand, five hundred twenty.
Scientific notation
- Scientific notation: 1.4514552 × 108
Factors of 145145520
Divisors of 145145520
- Number of divisors d(n): 200
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 81 90 104 108 117 120 130 135 144 156 162 180 195 208 216 234 240 260 270 312 324 351 360 390 405 432 468 520 540 585 624 648 702 720 780 810 936 1040 1053 1080 1170 1296 1404 1560 1620 1723 1755 1872 2106 2160 2340 2808 3120 3240 3446 3510 4212 4680 5169 5265 5616 6480 6892 7020 8424 8615 9360 10338 10530 13784 14040 15507 16848 17230 20676 21060 22399 25845 27568 28080 31014 34460 41352 42120 44798 46521 51690 62028 67197 68920 77535 82704 84240 89596 93042 103380 111995 124056 134394 137840 139563 155070 179192 186084 201591 206760 223990 232605 248112 268788 279126 310140 335985 358384 372168 403182 413520 447980 465210 537576 558252 604773 620280 671970 697815 744336 806364 895960 930420 1007955 1075152 1116504 1209546 1240560 1343940 1395630 1612728 1791920 1814319 1860840 2015910 2233008 2419092 2687880 2791260 3023865 3225456 3628638 3721680 4031820 4838184 5375760 5582520 6047730 7257276 8063640 9071595 9676368 11165040 12095460 14514552 16127280 18143190 24190920 29029104 36286380 48381840 72572760 145145520
- Sum of all divisors σ(n): 543204816
- Sum of proper divisors (its aliquot sum) s(n): 398059296
- 145145520 is an abundant number, because the sum of its proper divisors (398059296) is greater than itself. Its abundance is 252913776
Bases of 145145520
- Binary: 10001010011010111110101100002
- Hexadecimal: 0x8A6BEB0
- Base-36: 2EEZ00
Squares and roots of 145145520
- 145145520 squared (1451455202) is 21067221976070400
- 145145520 cubed (1451455203) is 3057812888672165764608000
-
The
square root of 145145520 is 12047.6354526521 -
The
cube root of 145145520 is 525.5344761003
Scales and comparisons
How big is 145145520?- 145,145,520 seconds is equal to 4 years, 31 weeks, 6 days, 22 hours, 12 minutes.
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To count from 1 to 145,145,520 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 145145520 cubic inches would be around 43.8 feet tall.
Recreational maths with 145145520
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