21139925 (number)

21139925 is an odd 8-digits composite number following 21139924 and preceding 21139926. In scientific notation, it is written as 2.1139925 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 15916800 positive integers (up to 21139925) that are relatively prime to 21139925.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139925 × 10^7
Engineering notation 2.1139925 × 10^6

Prime Factorization of 21139925

Prime Factorization 425 × 49741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21139925
Product of the distinct prime numbers

The prime factorization of 21139925 is 425 × 49741. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21139925)

Multiplication

n×y
n×2 42279850
n×3 63419775
n×4 84559700
n×5 105699625

Division

n÷y
n÷2 10569962.5
n÷3 7046641.6666667
n÷3 5284981.25
n÷5 4227985

Exponentiation

ny
n2 446896429005625
n3 9.4473569919467E+21
n4 1.9971641825798E+29
n5 4.2219901032423E+36

Nth Root

y√n
2√n 4597.8174169925
3√n 276.50382749951
4√n 67.807207706796
5√n 29.175659944565

Divisors of 21139925

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 -21139924
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 21139925 can be divided by 4 positive divisors. The sum of these divisors (counting 21139925) is 1, the average is 0.25.

Base conversion 21139925

Base System Value
2 Binary 1010000101001000111010101
3 Ternary 1110210000112012
4 Quaternary 1100221013111
5 Quinary 20402434200
6 Senary 2033034005
8 Octal 120510725
10 Decimal 21139925
12 Duodecimal 70b5905
16 Hexadecimal 14291d5
20 Vigesimal 6c29g5
36 Base36 cl3o5

Cryptographic Hash Functions

md5 3e8bb0891af6be3e8b2c6b7c0e21fa45
sha1 a8bcfeee2f1ee9fe9070fa5b8606136eb554934c
sha256 c1969b10119b6e65b2c4656dfb2cff40374a796acce554e8e0dcf905477d0e4d
sha512 ba3e19c98400ae848ef9a16ffa61544fe8db3dda2ebf89304339517df24a1c05e7b958b1aa5eca565d80a6191e4bc5a34e1f54a518b1a3e95958387df8757b86
ripemd-160 de73b7c67d0d5740884523749c7b832f2370c68d

21139925 as geometric shapes

Circle

Radius = n
Diameter 42279850
Circumference 132826066.15488
Area 1.4039665382796E+15

Sphere

Radius = n
Volume 3.9572996428987E+22
Surface area 5.6158661531183E+15
Circumference 132826066.15488

Square

Length = n
Perimeter 84559700
Area 446896429005625
Diagonal 29896368.64255

Cube

Length = n
Surface area 2681378574033750
Volume 9.4473569919467E+21
Space diagonal 36615424.168195

Equilateral Triangle

Length = n
Perimeter 63419775
Area 1.9351183018971E+14
Altitude 18307712.084098

Triangular Pyramid

Length = n
Surface area 1.9351183018971E+14
Volume 1.1133816988826E+21
Height 9965456.2141834