21139930 (number)

21139930 is an even 8-digits composite number following 21139929 and preceding 21139931. In scientific notation, it is written as 2.1139930 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 7247952 positive integers (up to 21139930) that are relatively prime to 21139930.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139930 × 10^7
Engineering notation 2.1139930 × 10^6

Prime Factorization of 21139930

Prime Factorization 2 × 35 × 301999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21139930
Product of the distinct prime numbers

The prime factorization of 21139930 is 2 × 35 × 301999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21139930)

Multiplication

n×y
n×2 42279860
n×3 63419790
n×4 84559720
n×5 105699650

Division

n÷y
n÷2 10569965
n÷3 7046643.3333333
n÷3 5284982.5
n÷5 4227986

Exponentiation

ny
n2 446896640404900
n3 9.4473636953948E+21
n4 1.9971660720519E+29
n5 4.2219950961551E+36

Nth Root

y√n
2√n 4597.8179607288
3√n 276.503849299
4√n 67.807211716224
5√n 29.175661324686

Divisors of 21139930

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21139929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21139930 can be divided by 8 positive divisors. The sum of these divisors (counting 21139930) is 1, the average is 0.125.

Base conversion 21139930

Base System Value
2 Binary 1010000101001000111011010
3 Ternary 1110210000112101
4 Quaternary 1100221013122
5 Quinary 20402434210
6 Senary 2033034014
8 Octal 120510732
10 Decimal 21139930
12 Duodecimal 70b590a
16 Hexadecimal 14291da
20 Vigesimal 6c29ga
36 Base36 cl3oa

Cryptographic Hash Functions

md5 1add1cb5d137ca86ac3cffb965c33b1d
sha1 dbd9901296294d7a8cf062a7f2416163f6304cb3
sha256 494f11d758ffc1357811393b18596aa7a8a171e953fc90b0007e9ed2218ba18b
sha512 5745693854b76342178887e549041536126a3c3a0e02d7c0af8eecda9dddb91e8acbead96b9c0b1c05a24db409dfffd7bf7a59618f8a453a053f3e4af210b080
ripemd-160 b2518c91a5e08e50415b5f4bdf57ec0cdcd1f6ca

21139930 as geometric shapes

Circle

Radius = n
Diameter 42279860
Circumference 132826097.5708
Area 1.40396720241E+15

Sphere

Radius = n
Volume 3.9573024508324E+22
Surface area 5.61586880964E+15
Circumference 132826097.5708

Square

Length = n
Perimeter 84559720
Area 446896640404900
Diagonal 29896375.713618

Cube

Length = n
Surface area 2681379842429400
Volume 9.4473636953948E+21
Space diagonal 36615432.82845

Equilateral Triangle

Length = n
Perimeter 63419790
Area 1.9351192172828E+14
Altitude 18307716.414225

Triangular Pyramid

Length = n
Surface area 1.9351192172828E+14
Volume 1.1133824888915E+21
Height 9965458.571206