21085937 (number)

21085937 is an odd 8-digits composite number following 21085936 and preceding 21085938. In scientific notation, it is written as 2.1085937 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20919780 positive integers (up to 21085937) that are relatively prime to 21085937.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand nine hundred thirty-seven

Notation

Scientific notation 2.1085937 × 10^7
Engineering notation 2.1085937 × 10^6

Prime Factorization of 21085937

Prime Factorization 127 × 166031

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21085937
Product of the distinct prime numbers

The prime factorization of 21085937 is 127 × 166031. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085937)

Multiplication

n×y
n×2 42171874
n×3 63257811
n×4 84343748
n×5 105429685

Division

n÷y
n÷2 10542968.5
n÷3 7028645.6666667
n÷3 5271484.25
n÷5 4217187.4

Exponentiation

ny
n2 444616739167969
n3 9.3751605512412E+21
n4 1.9768404474836E+29
n5 4.1683533134691E+36

Nth Root

y√n
2√n 4591.9426172373
3√n 276.26824459944
4√n 67.763873983394
5√n 29.160742700941

Divisors of 21085937

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085936
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085937 can be divided by 4 positive divisors. The sum of these divisors (counting 21085937) is 1, the average is 0.25.

Base conversion 21085937

Base System Value
2 Binary 1010000011011111011110001
3 Ternary 1110200021110122
4 Quaternary 1100123323301
5 Quinary 20344222222
6 Senary 2031540025
8 Octal 120337361
10 Decimal 21085937
12 Duodecimal 708a615
16 Hexadecimal 141bef1
20 Vigesimal 6bfegh
36 Base36 cjy0h

Cryptographic Hash Functions

md5 c87d6cc1a314d7e8d1721fcb79ee79f0
sha1 382007d3750f0994cfdfa91c35a2a21dd6739bde
sha256 c7f4cb9e90489c92a99bd9db250eea966aa7fbcba811e7604ee71123571ef27c
sha512 6dfa50df236d81504161915296461de38fb4eb5f95ad20deb37b111bee796db1aa8125f4cdde36fb5ea8511d5834d5a20511d6950af9aa20fec2fdfded345591
ripemd-160 b03444c3a82b3e8d18a436d9b3d29bbecdaad39c

21085937 as geometric shapes

Circle

Radius = n
Diameter 42171874
Circumference 132486849.54651
Area 1.3968046814331E+15

Sphere

Radius = n
Volume 3.9270580685339E+22
Surface area 5.5872187257326E+15
Circumference 132486849.54651

Square

Length = n
Perimeter 84343748
Area 444616739167969
Diagonal 29820018.080745

Cube

Length = n
Surface area 2667700435007814
Volume 9.3751605512412E+21
Space diagonal 36521914.209196

Equilateral Triangle

Length = n
Perimeter 63257811
Area 1.9252469553363E+14
Altitude 18260957.104598

Triangular Pyramid

Length = n
Surface area 1.9252469553363E+14
Volume 1.1048732667492E+21
Height 9940006.0269149