21494793 (number)

21494793 is an odd 8-digits composite number following 21494792 and preceding 21494794. In scientific notation, it is written as 2.1494793 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14329860 positive integers (up to 21494793) that are relatively prime to 21494793.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand seven hundred ninety-three

Notation

Scientific notation 2.1494793 × 10^7
Engineering notation 2.1494793 × 10^6

Prime Factorization of 21494793

Prime Factorization 3 × 7164931

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494793
Product of the distinct prime numbers

The prime factorization of 21494793 is 3 × 7164931. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494793)

Multiplication

n×y
n×2 42989586
n×3 64484379
n×4 85979172
n×5 107473965

Division

n÷y
n÷2 10747396.5
n÷3 7164931
n÷3 5373698.25
n÷5 4298958.6

Exponentiation

ny
n2 462026126112849
n3 9.9311559413876E+21
n4 2.1346814121085E+29
n5 4.5884535074219E+36

Nth Root

y√n
2√n 4636.2477284977
3√n 278.04243870164
4√n 68.089997271976
5√n 29.272960951925

Divisors of 21494793

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 -21494792
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 21494793 can be divided by 4 positive divisors. The sum of these divisors (counting 21494793) is 1, the average is 0.25.

Base conversion 21494793

Base System Value
2 Binary 1010001111111110000001001
3 Ternary 1111110001022110
4 Quaternary 1101333300021
5 Quinary 21000313133
6 Senary 2044412533
8 Octal 121776011
10 Decimal 21494793
12 Duodecimal 7247149
16 Hexadecimal 147fc09
20 Vigesimal 6e6gjd
36 Base36 csphl

Cryptographic Hash Functions

md5 6ee736168cf3e2631b5f947620634b70
sha1 1269c18cac98d17f2c0dceee9f38d276a0ec2a1a
sha256 2f2105c808da5fa4c9a80a8f7c386ba9aff72bf11c597c107daea1731506f075
sha512 df9485e9b2ab3ceeb227656d407eac3e9ea6fe42bb4b47427535e0935e842108ce3ca8bdd3bf13e181348b073feb04b09b0e08b68ca27d8e181bcb57fedd8f78
ripemd-160 0e837a79561f02360a9fadeed16bedc24ede7d7f

21494793 as geometric shapes

Circle

Radius = n
Diameter 42989586
Circumference 135055767.55847
Area 1.4514978835627E+15

Sphere

Radius = n
Volume 4.159952872949E+22
Surface area 5.8059915342507E+15
Circumference 135055767.55847

Square

Length = n
Perimeter 85979172
Area 462026126112849
Diagonal 30398227.781002

Cube

Length = n
Surface area 2772156756677094
Volume 9.9311559413876E+21
Space diagonal 37230073.574176

Equilateral Triangle

Length = n
Perimeter 64484379
Area 2.0006318121292E+14
Altitude 18615036.787088

Triangular Pyramid

Length = n
Surface area 2.0006318121292E+14
Volume 1.1703979518627E+21
Height 10132742.593667