145400490
145,400,490 is an even composite number composed of six prime numbers multiplied together.
145400490 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 145400490:
2 × 32 × 5 × 17 × 292 × 113
(2 × 3 × 3 × 5 × 17 × 29 × 29 × 113)See below for interesting mathematical facts about the number 145400490 from the Numbermatics database.
Names of 145400490
- Cardinal: 145400490 can be written as One hundred forty-five million, four hundred thousand, four hundred ninety.
Scientific notation
- Scientific notation: 1.4540049 × 108
Factors of 145400490
Divisors of 145400490
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 9 10 15 17 18 29 30 34 45 51 58 85 87 90 102 113 145 153 170 174 226 255 261 290 306 339 435 493 510 522 565 678 765 841 870 986 1017 1130 1305 1479 1530 1682 1695 1921 2034 2465 2523 2610 2958 3277 3390 3842 4205 4437 4930 5046 5085 5763 6554 7395 7569 8410 8874 9605 9831 10170 11526 12615 14297 14790 15138 16385 17289 19210 19662 22185 25230 28594 28815 29493 32770 34578 37845 42891 44370 49155 55709 57630 58986 71485 75690 85782 86445 95033 98310 111418 128673 142970 147465 167127 172890 190066 214455 257346 278545 285099 294930 334254 428910 475165 501381 557090 570198 643365 835635 855297 950330 1002762 1286730 1425495 1615561 1671270 1710594 2506905 2850990 3231122 4276485 4846683 5013810 8077805 8552970 9693366 14540049 16155610 24233415 29080098 48466830 72700245 145400490
- Sum of all divisors σ(n): 418226328
- Sum of proper divisors (its aliquot sum) s(n): 272825838
- 145400490 is an abundant number, because the sum of its proper divisors (272825838) is greater than itself. Its abundance is 127425348
Bases of 145400490
- Binary: 10001010101010100010101010102
- Hexadecimal: 0x8AAA2AA
- Base-36: 2EKFQI
Squares and roots of 145400490
- 145400490 squared (1454004902) is 21141302492240100
- 145400490 cubed (1454004903) is 3073955741609931737649000
-
The
square root of 145400490 is 12058.2125541061 -
The
cube root of 145400490 is 525.8420229465
Scales and comparisons
How big is 145400490?- 145,400,490 seconds is equal to 4 years, 32 weeks, 2 days, 21 hours, 1 minute, 30 seconds.
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To count from 1 to 145,400,490 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 145400490 cubic inches would be around 43.8 feet tall.
Recreational maths with 145400490
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