21494910 (number)

21494910 is an even 8-digits composite number following 21494909 and preceding 21494911. In scientific notation, it is written as 2.1494910 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 5712768 positive integers (up to 21494910) that are relatively prime to 21494910.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred ten

Notation

Scientific notation 2.1494910 × 10^7
Engineering notation 2.1494910 × 10^6

Prime Factorization of 21494910

Prime Factorization 2 × 5 × 3 × 349 × 2053

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21494910
Product of the distinct prime numbers

The prime factorization of 21494910 is 2 × 5 × 3 × 349 × 2053. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494910)

Multiplication

n×y
n×2 42989820
n×3 64484730
n×4 85979640
n×5 107474550

Division

n÷y
n÷2 10747455
n÷3 7164970
n÷3 5373727.5
n÷5 4298982

Exponentiation

ny
n2 462031155908100
n3 9.9313181134406E+21
n4 2.1347278902978E+29
n5 4.588578387644E+36

Nth Root

y√n
2√n 4636.260346443
3√n 278.04294317896
4√n 68.090089928293
5√n 29.272992819448

Divisors of 21494910

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 -21494909
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 21494910 can be divided by 32 positive divisors. The sum of these divisors (counting 21494910) is 1, the average is 0.03125.

Base conversion 21494910

Base System Value
2 Binary 1010001111111110001111110
3 Ternary 1111110001110210
4 Quaternary 1101333301332
5 Quinary 21000314120
6 Senary 2044413250
8 Octal 121776176
10 Decimal 21494910
12 Duodecimal 7247226
16 Hexadecimal 147fc7e
20 Vigesimal 6e6h5a
36 Base36 cspku

Cryptographic Hash Functions

md5 a6c6585b0a7f658201bc1b4915810b09
sha1 03e45d799a7773c5730484039594a7ea0786fe51
sha256 6bc12bfa5a48f20578e5361f9138f3daf053ff8ca54597ba76ed89152744031e
sha512 b74ad8b9c1f99e2f48b3d401ab2bfa0ca4741c243e39528824215fe9aed22ed850e152e646d25f6810ff672f5ede3a6e0b8972c324ab2be7dcb5c8aa876397d2
ripemd-160 d0a50616fe39d7ccadbc14946c81cd1426d3adcd

21494910 as geometric shapes

Circle

Radius = n
Diameter 42989820
Circumference 135056502.69115
Area 1.4515136851305E+15

Sphere

Radius = n
Volume 4.1600208034198E+22
Surface area 5.8060547405219E+15
Circumference 135056502.69115

Square

Length = n
Perimeter 85979640
Area 462031155908100
Diagonal 30398393.243989

Cube

Length = n
Surface area 2772186935448600
Volume 9.9313181134406E+21
Space diagonal 37230276.22412

Equilateral Triangle

Length = n
Perimeter 64484730
Area 2.0006535917815E+14
Altitude 18615138.11206

Triangular Pyramid

Length = n
Surface area 2.0006535917815E+14
Volume 1.1704170640224E+21
Height 10132797.747996