21062945 (number)

21062945 is an odd 8-digits composite number following 21062944 and preceding 21062946. In scientific notation, it is written as 2.1062945 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16850352 positive integers (up to 21062945) that are relatively prime to 21062945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1062945 × 10^7
Engineering notation 2.1062945 × 10^6

Prime Factorization of 21062945

Prime Factorization 5 × 4212589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21062945
Product of the distinct prime numbers

The prime factorization of 21062945 is 5 × 4212589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21062945)

Multiplication

n×y
n×2 42125890
n×3 63188835
n×4 84251780
n×5 105314725

Division

n÷y
n÷2 10531472.5
n÷3 7020981.6666667
n÷3 5265736.25
n÷5 4212589

Exponentiation

ny
n2 443647652073025
n3 9.3445260949933E+21
n4 1.9682323918991E+29
n5 4.1456770617789E+36

Nth Root

y√n
2√n 4589.4384188046
3√n 276.16779424408
4√n 67.745394078156
5√n 29.154380579914

Divisors of 21062945

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 -21062944
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 21062945 can be divided by 4 positive divisors. The sum of these divisors (counting 21062945) is 1, the average is 0.25.

Base conversion 21062945

Base System Value
2 Binary 1010000010110010100100001
3 Ternary 1110122002221002
4 Quaternary 1100112110201
5 Quinary 20343003240
6 Senary 2031241345
8 Octal 120262441
10 Decimal 21062945
12 Duodecimal 7079255
16 Hexadecimal 1416521
20 Vigesimal 6bch75
36 Base36 cjg9t

Cryptographic Hash Functions

md5 3adf60f97e988e5c7cc1bb96e07748a8
sha1 d5bdeaceff146b3237098df69fea151a4cbd3abd
sha256 60bea59b042a0bfcb440413b6a4237834d992e9b18b995d3ea353e0e1542035c
sha512 89e57f485f342d5c8c4b0e2df98748fc6e1bf5624ee63aa9edbcd6e55a8228636ad722b4f77cfe0ad497652affe6e48e01c2c8fd5d06dde44a0ef9b5f883a531
ripemd-160 656fc74d60f17ad396ff5c2b1f329b66e8cad980

21062945 as geometric shapes

Circle

Radius = n
Diameter 42125890
Circumference 132342386.54993
Area 1.393760204535E+15

Sphere

Radius = n
Volume 3.9142259375079E+22
Surface area 5.5750408181399E+15
Circumference 132342386.54993

Square

Length = n
Perimeter 84251780
Area 443647652073025
Diagonal 29787502.482519

Cube

Length = n
Surface area 2661885912438150
Volume 9.3445260949933E+21
Space diagonal 36482090.897029

Equilateral Triangle

Length = n
Perimeter 63188835
Area 1.9210506851228E+14
Altitude 18241045.448514

Triangular Pyramid

Length = n
Surface area 1.9210506851228E+14
Volume 1.1012629614574E+21
Height 9929167.4941729