144872420
144,872,420 is an even composite number composed of six prime numbers multiplied together.
144872420 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 144872420:
22 × 5 × 72 × 11 × 89 × 151
(2 × 2 × 5 × 7 × 7 × 11 × 89 × 151)See below for interesting mathematical facts about the number 144872420 from the Numbermatics database.
Names of 144872420
- Cardinal: 144872420 can be written as One hundred forty-four million, eight hundred seventy-two thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.4487242 × 108
Factors of 144872420
Divisors of 144872420
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 77 89 98 110 140 151 154 178 196 220 245 302 308 356 385 445 490 539 604 623 755 770 890 979 980 1057 1078 1246 1510 1540 1661 1780 1958 2114 2156 2492 2695 3020 3115 3322 3916 4228 4361 4895 5285 5390 6230 6644 6853 7399 8305 8722 9790 10570 10780 11627 12460 13439 13706 14798 16610 17444 19580 21140 21805 23254 26878 27412 29596 33220 34265 36995 43610 46508 47971 53756 58135 67195 68530 73990 81389 87220 94073 95942 116270 134390 137060 147829 147980 162778 188146 191884 232540 239855 268780 295658 325556 376292 406945 470365 479710 591316 658511 739145 813890 940730 959420 1034803 1317022 1478290 1627780 1881460 2069606 2634044 2956580 3292555 4139212 5174015 6585110 7243621 10348030 13170220 14487242 20696060 28974484 36218105 72436210 144872420
- Sum of all divisors σ(n): 392999040
- Sum of proper divisors (its aliquot sum) s(n): 248126620
- 144872420 is an abundant number, because the sum of its proper divisors (248126620) is greater than itself. Its abundance is 103254200
Bases of 144872420
- Binary: 10001010001010010011111001002
- Hexadecimal: 0x8A293E4
- Base-36: 2E949W
Squares and roots of 144872420
- 144872420 squared (1448724202) is 20988018076656400
- 144872420 cubed (1448724203) is 3040584969768958176488000
-
The
square root of 144872420 is 12036.2959418585 -
The
cube root of 144872420 is 525.2046609473
Scales and comparisons
How big is 144872420?- 144,872,420 seconds is equal to 4 years, 31 weeks, 3 days, 18 hours, 20 minutes, 20 seconds.
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To count from 1 to 144,872,420 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 144872420 cubic inches would be around 43.8 feet tall.
Recreational maths with 144872420
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