21494539 (number)

21494539 is an odd 8-digits composite number following 21494538 and preceding 21494540. In scientific notation, it is written as 2.1494539 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 18416160 positive integers (up to 21494539) that are relatively prime to 21494539.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494539 × 10^7
Engineering notation 2.1494539 × 10^6

Prime Factorization of 21494539

Prime Factorization 11 × 43 × 29 × 1567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494539
Product of the distinct prime numbers

The prime factorization of 21494539 is 11 × 43 × 29 × 1567. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494539)

Multiplication

n×y
n×2 42989078
n×3 64483617
n×4 85978156
n×5 107472695

Division

n÷y
n÷2 10747269.5
n÷3 7164846.3333333
n÷3 5373634.75
n÷5 4298907.8

Exponentiation

ny
n2 462015206822521
n3 9.9308038816397E+21
n4 2.1345805133526E+29
n5 4.5881824092897E+36

Nth Root

y√n
2√n 4636.2203355751
3√n 278.04134350528
4√n 68.089796119353
5√n 29.272891768963

Divisors of 21494539

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 -21494538
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 21494539 can be divided by 16 positive divisors. The sum of these divisors (counting 21494539) is 1, the average is 0.0625.

Base conversion 21494539

Base System Value
2 Binary 1010001111111101100001011
3 Ternary 1111110000222001
4 Quaternary 1101333230023
5 Quinary 21000311124
6 Senary 2044411431
8 Octal 121775413
10 Decimal 21494539
12 Duodecimal 7246b77
16 Hexadecimal 147fb0b
20 Vigesimal 6e6g6j
36 Base36 cspaj

Cryptographic Hash Functions

md5 891c34325ca3c8ec355cd930d7f9208d
sha1 f0d3f8ec2b51e5d20a0661b96c2ff67510fee45c
sha256 03dc611f9d2b27fe6910747dfa2df99cce2a9764d39ff429c5de3d043762ddde
sha512 8c7a6dedb670f4e12a006865a6b5afa579a2c1e01511f7e0997138261c18a4436c9d92b93a8bf7e23270ecb8834c5835fcfcfd29ebc3fa6b89634a53b7a69e5d
ripemd-160 104c8d0698615dd7a1186e74461010836e662814

21494539 as geometric shapes

Circle

Radius = n
Diameter 42989078
Circumference 135054171.6294
Area 1.4514635796004E+15

Sphere

Radius = n
Volume 4.1598054025067E+22
Surface area 5.8058543184016E+15
Circumference 135054171.6294

Square

Length = n
Perimeter 85978156
Area 462015206822521
Diagonal 30397868.570757

Cube

Length = n
Surface area 2772091240935126
Volume 9.9308038816397E+21
Space diagonal 37229633.633271

Equilateral Triangle

Length = n
Perimeter 64483617
Area 2.0005845302151E+14
Altitude 18614816.816635

Triangular Pyramid

Length = n
Surface area 2.0005845302151E+14
Volume 1.1703564612235E+21
Height 10132622.856919