21494745 (number)

21494745 is an odd 8-digits composite number following 21494744 and preceding 21494746. In scientific notation, it is written as 2.1494745 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 11218848 positive integers (up to 21494745) that are relatively prime to 21494745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494745 × 10^7
Engineering notation 2.1494745 × 10^6

Prime Factorization of 21494745

Prime Factorization 9 × 5 × 47 × 10163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494745
Product of the distinct prime numbers

The prime factorization of 21494745 is 9 × 5 × 47 × 10163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 10, 84, 513, 851, 9978, 3939, 44972, 66725, 503596, 604200, 613116, 6230248, 80850195, 85088485, 519878287, 783537144, 4095749681, 6362668063

Basic calculations (n = 21494745)

Multiplication

n×y
n×2 42989490
n×3 64484235
n×4 85978980
n×5 107473725

Division

n÷y
n÷2 10747372.5
n÷3 7164915
n÷3 5373686.25
n÷5 4298949

Exponentiation

ny
n2 462024062615025
n3 9.931089409774E+21
n4 2.1346623443529E+29
n5 4.5884022752968E+36

Nth Root

y√n
2√n 4636.2425518948
3√n 278.04223173606
4√n 68.089959259018
5√n 29.27294787803

Divisors of 21494745

1, 5, 9, 45, 47, 235, 423, 2115, 10163, 50815, 91467, 457335, 477661, 2388305, 4298949, 21494745

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 -21494744
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 21494745 can be divided by 16 positive divisors. The sum of these divisors (counting 21494745) is 1, the average is 0.0625.

Base conversion 21494745

Base System Value
2 Binary 1010001111111101111011001
3 Ternary 1111110001020200
4 Quaternary 1101333233121
5 Quinary 21000312440
6 Senary 2044412413
8 Octal 121775731
10 Decimal 21494745
12 Duodecimal 7247109
16 Hexadecimal 147fbd9
20 Vigesimal 6e6gh5
36 Base36 cspg9

Cryptographic Hash Functions

md5 bd5bb59f911d5692e9278b3564aaabac
sha1 f667c1e1ede9db7339b78c29994ffa39c50d9c88
sha256 3fffd32785186ca1d2d82faa75ca2e4e46c527a060124c5d7d13b8023c9985aa
sha512 60506989a59b8988881b1697a4a97caf7ba2376c48484098fc7ca7f62d0c8ce8e0aee785a88cdefdc90a0dfb8f38835ba88264d51aa2965536cc2733d1335b1b
ripemd-160 3ec339a0f379830f3d316424ca98e1087155587f

21494745 as geometric shapes

Circle

Radius = n
Diameter 42989490
Circumference 135055465.96557
Area 1.4514914008931E+15

Sphere

Radius = n
Volume 4.1599250042519E+22
Surface area 5.8059656035723E+15
Circumference 135055465.96557

Square

Length = n
Perimeter 85978980
Area 462024062615025
Diagonal 30398159.898751

Cube

Length = n
Surface area 2772144375690150
Volume 9.931089409774E+21
Space diagonal 37229990.435737

Equilateral Triangle

Length = n
Perimeter 64484235
Area 2.0006228769215E+14
Altitude 18614995.217869

Triangular Pyramid

Length = n
Surface area 2.0006228769215E+14
Volume 1.1703901110369E+21
Height 10132719.96625