21542021 (number)

21542021 is an odd 8-digits composite number following 21542020 and preceding 21542022. In scientific notation, it is written as 2.1542021 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 21176844 positive integers (up to 21542021) that are relatively prime to 21542021.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand twenty-one

Notation

Scientific notation 2.1542021 × 10^7
Engineering notation 2.1542021 × 10^6

Prime Factorization of 21542021

Prime Factorization 59 × 365119

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21542021
Product of the distinct prime numbers

The prime factorization of 21542021 is 59 × 365119. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542021)

Multiplication

n×y
n×2 43084042
n×3 64626063
n×4 86168084
n×5 107710105

Division

n÷y
n÷2 10771010.5
n÷3 7180673.6666667
n÷3 5385505.25
n÷5 4308404.2

Exponentiation

ny
n2 464058668764441
n3 9.9967615877556E+21
n4 2.1535044805543E+29
n5 4.6390838743694E+36

Nth Root

y√n
2√n 4641.3382768335
3√n 278.24592647442
4√n 68.127368045695
5√n 29.285813273451

Divisors of 21542021

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 -21542020
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 21542021 can be divided by 4 positive divisors. The sum of these divisors (counting 21542021) is 1, the average is 0.25.

Base conversion 21542021

Base System Value
2 Binary 1010010001011010010000101
3 Ternary 1111112110002122
4 Quaternary 1102023102011
5 Quinary 21003321041
6 Senary 2045415325
8 Octal 122132205
10 Decimal 21542021
12 Duodecimal 726a545
16 Hexadecimal 148b485
20 Vigesimal 6ecf11
36 Base36 ctpxh

Cryptographic Hash Functions

md5 b91df2978bde303ee601d2c22a611ce6
sha1 37c0b4ffa010d6bb56c7cc739cb99fd980d2e840
sha256 559851dac2fabd3b991061ca53426983d9202f284b4ed5e160d737e618c864fe
sha512 e061e4f56ca80f469c390413a9f070654ea03e86dc643bae2cf40b4593848d1f3f42d7b67b7c8f6a3df73edfc4c7e7851185039108c38ac6d49b824ecac77871
ripemd-160 8b3b0e0460e18f70aa92fdfac877bdf716db1205

21542021 as geometric shapes

Circle

Radius = n
Diameter 43084042
Circumference 135352509.83415
Area 1.457883304625E+15

Sphere

Radius = n
Volume 4.1874337018376E+22
Surface area 5.8315332185001E+15
Circumference 135352509.83415

Square

Length = n
Perimeter 86168084
Area 464058668764441
Diagonal 30465018.259126

Cube

Length = n
Surface area 2784352012586646
Volume 9.9967615877556E+21
Space diagonal 37311874.869716

Equilateral Triangle

Length = n
Perimeter 64626063
Area 2.009432979982E+14
Altitude 18655937.434858

Triangular Pyramid

Length = n
Surface area 2.009432979982E+14
Volume 1.1781296514345E+21
Height 10155006.086375