21490953 (number)

21490953 is an odd 8-digits composite number following 21490952 and preceding 21490954. In scientific notation, it is written as 2.1490953 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 12986000 positive integers (up to 21490953) that are relatively prime to 21490953.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred fifty-three

Notation

Scientific notation 2.1490953 × 10^7
Engineering notation 2.1490953 × 10^6

Prime Factorization of 21490953

Prime Factorization 3 × 11 × 1511 × 431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490953
Product of the distinct prime numbers

The prime factorization of 21490953 is 3 × 11 × 1511 × 431. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490953)

Multiplication

n×y
n×2 42981906
n×3 64472859
n×4 85963812
n×5 107454765

Division

n÷y
n÷2 10745476.5
n÷3 7163651
n÷3 5372738.25
n÷5 4298190.6

Exponentiation

ny
n2 461861060848209
n3 9.925834351219E+21
n4 2.1331563952783E+29
n5 4.5843563832576E+36

Nth Root

y√n
2√n 4635.8335820001
3√n 278.02588048138
4√n 68.086956034178
5√n 29.271914966477

Divisors of 21490953

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 -21490952
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 21490953 can be divided by 16 positive divisors. The sum of these divisors (counting 21490953) is 1, the average is 0.0625.

Base conversion 21490953

Base System Value
2 Binary 1010001111110110100001001
3 Ternary 1111102212001020
4 Quaternary 1101332310021
5 Quinary 21000202303
6 Senary 2044343053
8 Octal 121766411
10 Decimal 21490953
12 Duodecimal 7244a89
16 Hexadecimal 147ed09
20 Vigesimal 6e677d
36 Base36 csmix

Cryptographic Hash Functions

md5 34cb17a76f15d86452d187051cbc537f
sha1 63ebc45320c042177be428a53c267e88b49aad13
sha256 1aaa4ca27d7c79ee7421267f3e6148a8b9150883bfd71ed88c3414533c0b14df
sha512 f4ffb16466e2ea2578c51adf9c3883be65f1dc470ce0534d58fae1ea73f7a4baf0c0b1003b08660544cd622d3348b20ff7daa8e22b478153279a027e89d2b9cc
ripemd-160 a4cd3a4f847ae2f829180791a386f5430ad9a5ca

21490953 as geometric shapes

Circle

Radius = n
Diameter 42981906
Circumference 135031640.12689
Area 1.4509793157399E+15

Sphere

Radius = n
Volume 4.1577237704718E+22
Surface area 5.8039172629597E+15
Circumference 135031640.12689

Square

Length = n
Perimeter 85963812
Area 461861060848209
Diagonal 30392797.200923

Cube

Length = n
Surface area 2771166365089254
Volume 9.925834351219E+21
Space diagonal 37223422.499075

Equilateral Triangle

Length = n
Perimeter 64472859
Area 1.9999170585669E+14
Altitude 18611711.249537

Triangular Pyramid

Length = n
Surface area 1.9999170585669E+14
Volume 1.1697707964469E+21
Height 10130932.400308