21402021 (number)

21402021 is an odd 8-digits composite number following 21402020 and preceding 21402022. In scientific notation, it is written as 2.1402021 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 13882320 positive integers (up to 21402021) that are relatively prime to 21402021.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred two thousand twenty-one

Notation

Scientific notation 2.1402021 × 10^7
Engineering notation 2.1402021 × 10^6

Prime Factorization of 21402021

Prime Factorization 3 × 37 × 192811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21402021
Product of the distinct prime numbers

The prime factorization of 21402021 is 3 × 37 × 192811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21402021)

Multiplication

n×y
n×2 42804042
n×3 64206063
n×4 85608084
n×5 107010105

Division

n÷y
n÷2 10701010.5
n÷3 7134007
n÷3 5350505.25
n÷5 4280404.2

Exponentiation

ny
n2 458046502884441
n3 9.8031208737094E+21
n4 2.0980659880467E+29
n5 4.490285233556E+36

Nth Root

y√n
2√n 4626.2318359546
3√n 277.64184940055
4√n 68.016408578773
5√n 29.24764866593

Divisors of 21402021

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 -21402020
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 21402021 can be divided by 8 positive divisors. The sum of these divisors (counting 21402021) is 1, the average is 0.125.

Base conversion 21402021

Base System Value
2 Binary 1010001101001000110100101
3 Ternary 1111021100001110
4 Quaternary 1101221012211
5 Quinary 20434331041
6 Senary 2042415233
8 Octal 121510645
10 Decimal 21402021
12 Duodecimal 7201519
16 Hexadecimal 14691a5
20 Vigesimal 6df511
36 Base36 cqpwl

Cryptographic Hash Functions

md5 ca79143637558bdceea9c1d6a892c4c2
sha1 7a19579c838fb39e4ba442d383fcd71c05d7da17
sha256 57a373521579451f2542ca240b44d04ecd93a231011056282d783070f72bd974
sha512 d0a3ebdc7e4fd4b4966a6a365fdc0f33f2b5dd0266f787ff803dbf42ece7959207ae9af361f98ad7399e44f2f21b8435d28396bf8f7e63b1004fac078496e2f4
ripemd-160 c8ce6bc429397286dac797fc75ff2109d93f9c2d

21402021 as geometric shapes

Circle

Radius = n
Diameter 42804042
Circumference 134472863.89115
Area 1.4389955284643E+15

Sphere

Radius = n
Volume 4.1063216692131E+22
Surface area 5.755982113857E+15
Circumference 134472863.89115

Square

Length = n
Perimeter 85608084
Area 458046502884441
Diagonal 30267028.360394

Cube

Length = n
Surface area 2748279017306646
Volume 9.8031208737094E+21
Space diagonal 37069387.756656

Equilateral Triangle

Length = n
Perimeter 64206063
Area 1.9833995380627E+14
Altitude 18534693.878328

Triangular Pyramid

Length = n
Surface area 1.9833995380627E+14
Volume 1.1553088744319E+21
Height 10089009.453465