126421875
126,421,875 is an odd composite number composed of four prime numbers multiplied together.
126421875 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 126421875:
32 × 56 × 29 × 31
(3 × 3 × 5 × 5 × 5 × 5 × 5 × 5 × 29 × 31)See below for interesting mathematical facts about the number 126421875 from the Numbermatics database.
Names of 126421875
- Cardinal: 126421875 can be written as One hundred twenty-six million, four hundred twenty-one thousand, eight hundred seventy-five.
Scientific notation
- Scientific notation: 1.26421875 × 108
Factors of 126421875
Divisors of 126421875
- Number of divisors d(n): 84
-
Complete list of divisors:
1 3 5 9 15 25 29 31 45 75 87 93 125 145 155 225 261 279 375 435 465 625 725 775 899 1125 1305 1395 1875 2175 2325 2697 3125 3625 3875 4495 5625 6525 6975 8091 9375 10875 11625 13485 15625 18125 19375 22475 28125 32625 34875 40455 46875 54375 58125 67425 90625 96875 112375 140625 163125 174375 202275 271875 290625 337125 453125 484375 561875 815625 871875 1011375 1359375 1453125 1685625 2809375 4078125 4359375 5056875 8428125 14046875 25284375 42140625 126421875
- Sum of all divisors σ(n): 243746880
- Sum of proper divisors (its aliquot sum) s(n): 117325005
- 126421875 is a deficient number, because the sum of its proper divisors (117325005) is less than itself. Its deficiency is 9096870
Bases of 126421875
- Binary: 1111000100100001011011100112
- Hexadecimal: 0x7890B73
- Base-36: 239NQR
Squares and roots of 126421875
- 126421875 squared (1264218752) is 15982490478515625
- 126421875 cubed (1264218753) is 2020536413463592529296875
-
The
square root of 126421875 is 11243.7482629237 -
The
cube root of 126421875 is 501.8886900501
Scales and comparisons
How big is 126421875?- 126,421,875 seconds is equal to 4 years, 1 week, 5 hours, 11 minutes, 15 seconds.
-
To count from 1 to 126,421,875 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 126421875 cubic inches would be around 41.8 feet tall.
Recreational maths with 126421875
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