21279454 (number)

21279454 is an even 8-digits composite number following 21279453 and preceding 21279455. In scientific notation, it is written as 2.1279454 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 8825400 positive integers (up to 21279454) that are relatively prime to 21279454.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine thousand four hundred fifty-four

Notation

Scientific notation 2.1279454 × 10^7
Engineering notation 2.1279454 × 10^6

Prime Factorization of 21279454

Prime Factorization 2 × 31 × 7 × 49031

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21279454
Product of the distinct prime numbers

The prime factorization of 21279454 is 2 × 31 × 7 × 49031. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 5, 62, 33, 898, 2689, 2661, 5421, 63387, 690777, 788219, 7424302, 1093153, 50110943, 46341562, 766354919, 973056989, 5560598371, 6739366817

Basic calculations (n = 21279454)

Multiplication

n×y
n×2 42558908
n×3 63838362
n×4 85117816
n×5 106397270

Division

n÷y
n÷2 10639727
n÷3 7093151.3333333
n÷3 5319863.5
n÷5 4255890.8

Exponentiation

ny
n2 452815162538116
n3 9.6356594217324E+21
n4 2.0504157142442E+29
n5 4.3631726872137E+36

Nth Root

y√n
2√n 4612.9658572333
3√n 277.11082637982
4√n 67.918818137783
5√n 29.214072053912

Divisors of 21279454

1, 2, 7, 14, 31, 62, 217, 434, 49031, 98062, 343217, 686434, 1519961, 3039922, 10639727, 21279454

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21279453
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21279454 can be divided by 16 positive divisors. The sum of these divisors (counting 21279454) is 1, the average is 0.0625.

Base conversion 21279454

Base System Value
2 Binary 1010001001011001011011110
3 Ternary 1111001002220221
4 Quaternary 1101023023132
5 Quinary 20421420304
6 Senary 2040031554
8 Octal 121131336
10 Decimal 21279454
12 Duodecimal 71625ba
16 Hexadecimal 144b2de
20 Vigesimal 6cjice
36 Base36 co3by

Cryptographic Hash Functions

md5 649e5769ebd08ab113af25018d225ac8
sha1 2ff3cd24f2657aef2c76f924ef481e0d58d56ec0
sha256 be7e599048b3b6766861cc7fb2dec4833f80df7f68450c9613f05f0dd84512ad
sha512 007fac4345c2d0c38c45ac260f1152ab88988371f125f3efe774f5e17af6c9a0e4645367beb14e073fdcd3f33337276131382f5f6e1c6921cb6c6542d3bbcf78
ripemd-160 23d7bff36eb068d2e32f3caaeae9327b382e3fe5

21279454 as geometric shapes

Circle

Radius = n
Diameter 42558908
Circumference 133702752.7176
Area 1.4225607880638E+15

Sphere

Radius = n
Volume 4.036175580241E+22
Surface area 5.6902431522553E+15
Circumference 133702752.7176

Square

Length = n
Perimeter 85117816
Area 452815162538116
Diagonal 30093692.446694

Cube

Length = n
Surface area 2716890975228696
Volume 9.6356594217324E+21
Space diagonal 36857095.485325

Equilateral Triangle

Length = n
Perimeter 63838362
Area 1.9607471698839E+14
Altitude 18428547.742662

Triangular Pyramid

Length = n
Surface area 1.9607471698839E+14
Volume 1.1355733530518E+21
Height 10031230.815565