21494520 (number)

21494520 is an even 8-digits composite number following 21494519 and preceding 21494521. In scientific notation, it is written as 2.1494520 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 5731776 positive integers (up to 21494520) that are relatively prime to 21494520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494520 × 10^7
Engineering notation 2.1494520 × 10^6

Prime Factorization of 21494520

Prime Factorization 2 × 2 × 2 × 9 × 5 × 59707

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5373630
Product of the distinct prime numbers

The prime factorization of 21494520 is 2 × 2 × 2 × 9 × 5 × 59707. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494520)

Multiplication

n×y
n×2 42989040
n×3 64483560
n×4 85978080
n×5 107472600

Division

n÷y
n÷2 10747260
n÷3 7164840
n÷3 5373630
n÷5 4298904

Exponentiation

ny
n2 462014390030400
n3 9.9307775467962E+21
n4 2.1345729659516E+29
n5 4.5881621308107E+36

Nth Root

y√n
2√n 4636.2182864917
3√n 278.04126158079
4√n 68.089781072432
5√n 29.272886593834

Divisors of 21494520

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494520 can be divided by 32 positive divisors. The sum of these divisors (counting 21494520) is 1, the average is 0.03125.

Base conversion 21494520

Base System Value
2 Binary 1010001111111101011111000
3 Ternary 1111110000221100
4 Quaternary 1101333223320
5 Quinary 21000311040
6 Senary 2044411400
8 Octal 121775370
10 Decimal 21494520
12 Duodecimal 7246b60
16 Hexadecimal 147faf8
20 Vigesimal 6e6g60
36 Base36 cspa0

Cryptographic Hash Functions

md5 d3395c03531d2af8fcd5c887e1a24d6c
sha1 a26703a1d174ca27a3fec6a3950063d8d71fbe53
sha256 65acb1f447f92738bf0f00b67689e5bc70eb3635246921b78211872fd0c7ee2f
sha512 f80c837f6a9431d72a8cca7c63c9a77a4c2f34a53a3ec33b809a775c040c45f60e2a12a67ffe7e9e5de0aa2034b082c6c8b5c06097afcb38378b08e7d0fe806e
ripemd-160 2757fa7b8e8c4878dcee35001696f350fd18c8a0

21494520 as geometric shapes

Circle

Radius = n
Diameter 42989040
Circumference 135054052.24888
Area 1.4514610135723E+15

Sphere

Radius = n
Volume 4.1597943713933E+22
Surface area 5.8058440542891E+15
Circumference 135054052.24888

Square

Length = n
Perimeter 85978080
Area 462014390030400
Diagonal 30397841.7007

Cube

Length = n
Surface area 2772086340182400
Volume 9.9307775467962E+21
Space diagonal 37229600.724305

Equilateral Triangle

Length = n
Perimeter 64483560
Area 2.0005809934015E+14
Altitude 18614800.362153

Triangular Pyramid

Length = n
Surface area 2.0005809934015E+14
Volume 1.1703533576325E+21
Height 10132613.900233