21379911 (number)

21379911 is an odd 8-digits composite number following 21379910 and preceding 21379912. In scientific notation, it is written as 2.1379911 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12217080 positive integers (up to 21379911) that are relatively prime to 21379911.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-nine thousand nine hundred eleven

Notation

Scientific notation 2.1379911 × 10^7
Engineering notation 2.1379911 × 10^6

Prime Factorization of 21379911

Prime Factorization 3 × 7 × 1018091

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21379911
Product of the distinct prime numbers

The prime factorization of 21379911 is 3 × 7 × 1018091. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21379911)

Multiplication

n×y
n×2 42759822
n×3 64139733
n×4 85519644
n×5 106899555

Division

n÷y
n÷2 10689955.5
n÷3 7126637
n÷3 5344977.75
n÷5 4275982.2

Exponentiation

ny
n2 457100594367921
n3 9.7727700256333E+21
n4 2.0894095337151E+29
n5 4.467138987338E+36

Nth Root

y√n
2√n 4623.8415846566
3√n 277.54620770992
4√n 67.998835171322
5√n 29.241603134991

Divisors of 21379911

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 -21379910
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 21379911 can be divided by 8 positive divisors. The sum of these divisors (counting 21379911) is 1, the average is 0.125.

Base conversion 21379911

Base System Value
2 Binary 1010001100011101101000111
3 Ternary 1111020012201120
4 Quaternary 1101203231013
5 Quinary 20433124121
6 Senary 2042125023
8 Octal 121435507
10 Decimal 21379911
12 Duodecimal 71b0773
16 Hexadecimal 1463b47
20 Vigesimal 6dc9fb
36 Base36 cq8uf

Cryptographic Hash Functions

md5 622ab688373ccc2dc6f840854027dc81
sha1 687f807b05ae44e6524f1d67314680bb9c110458
sha256 5d12eddb765e6a9ac6169f155ba521cdbfa12940781b1f1831edb325dd434e47
sha512 ad676ac13ff20007abd105c09b457e1b99a9434b7786dfa28ba8518f40a060f5de3081869c83e0594b7eeffa75052d0f24f45be866989c0b9c0833f1db97f6e3
ripemd-160 783cdbc7d59742f1dddf06fd09ef6c06ce112a74

21379911 as geometric shapes

Circle

Radius = n
Diameter 42759822
Circumference 134333942.66401
Area 1.4360238692178E+15

Sphere

Radius = n
Volume 4.0936083357003E+22
Surface area 5.7440954768712E+15
Circumference 134333942.66401

Square

Length = n
Perimeter 85519644
Area 457100594367921
Diagonal 30235760.09853

Cube

Length = n
Surface area 2742603566207526
Volume 9.7727700256333E+21
Space diagonal 37031092.113301

Equilateral Triangle

Length = n
Perimeter 64139733
Area 1.9793036340379E+14
Altitude 18515546.05665

Triangular Pyramid

Length = n
Surface area 1.9793036340379E+14
Volume 1.1517319926837E+21
Height 10078586.69951