142905968649
142,905,968,649 is an odd composite number composed of four prime numbers multiplied together.
142905968649 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety divisors.
Prime factorization of 142905968649:
32 × 194 × 372 × 89
(3 × 3 × 19 × 19 × 19 × 19 × 37 × 37 × 89)See below for interesting mathematical facts about the number 142905968649 from the Numbermatics database.
Names of 142905968649
- Cardinal: 142905968649 can be written as One hundred forty-two billion, nine hundred five million, nine hundred sixty-eight thousand, six hundred forty-nine.
Scientific notation
- Scientific notation: 1.42905968649 × 1011
Factors of 142905968649
Divisors of 142905968649
- Number of divisors d(n): 90
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Complete list of divisors:
1 3 9 19 37 57 89 111 171 267 333 361 703 801 1083 1369 1691 2109 3249 3293 4107 5073 6327 6859 9879 12321 13357 15219 20577 26011 29637 32129 40071 61731 62567 78033 96387 120213 121841 130321 187701 234099 253783 289161 365523 390963 494209 563103 610451 761349 1096569 1172889 1188773 1482627 1831353 2284047 2314979 3566319 4447881 4821877 5494059 6944937 9389971 10698957 11598569 14465631 20834811 22586687 28169913 34795707 43396893 43984601 67760061 84509739 104387121 131953803 178409449 203280183 395861409 429147053 535228347 835707419 1287441159 1605685041 2507122257 3862323477 7521366771 15878440961 47635322883 142905968649
- Sum of all divisors σ(n): 226451542590
- Sum of proper divisors (its aliquot sum) s(n): 83545573941
- 142905968649 is a deficient number, because the sum of its proper divisors (83545573941) is less than itself. Its deficiency is 59360394708
Bases of 142905968649
- Binary: 100001010001011101110000001000000010012
- Hexadecimal: 0x2145DC0809
- Base-36: 1TNEIV49
Squares and roots of 142905968649
- 142905968649 squared (1429059686492) is 20422115875508970885201
- 142905968649 cubed (1429059686493) is 2918442251051730180238787884063449
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The
square root of 142905968649 is 378029.0579426403 -
The
cube root of 142905968649 is 5228.1750795727
Scales and comparisons
How big is 142905968649?- 142,905,968,649 seconds is equal to 4,543 years, 50 weeks, 2 days, 6 hours, 24 minutes, 9 seconds.
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To count from 1 to 142,905,968,649 would take you about nine thousand and eighty-seven 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 142905968649 cubic inches would be around 435.7 feet tall.
Recreational maths with 142905968649
- 142905968649 backwards is 946869509241
- The number of decimal digits it has is: 12
- The sum of 142905968649's digits is 63
- More coming soon!
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