21494851 (number)

21494851 is an odd 8-digits composite number following 21494850 and preceding 21494852. In scientific notation, it is written as 2.1494851 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 17340288 positive integers (up to 21494851) that are relatively prime to 21494851.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred fifty-one

Notation

Scientific notation 2.1494851 × 10^7
Engineering notation 2.1494851 × 10^6

Prime Factorization of 21494851

Prime Factorization 17 × 7 × 180629

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494851
Product of the distinct prime numbers

The prime factorization of 21494851 is 17 × 7 × 180629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494851)

Multiplication

n×y
n×2 42989702
n×3 64484553
n×4 85979404
n×5 107474255

Division

n÷y
n÷2 10747425.5
n÷3 7164950.3333333
n÷3 5373712.75
n÷5 4298970.2

Exponentiation

ny
n2 462028619512201
n3 9.9312363341505E+21
n4 2.1347044524835E+29
n5 4.5885154135169E+36

Nth Root

y√n
2√n 4636.2539835518
3√n 278.04268878464
4√n 68.090043204215
5√n 29.272976749518

Divisors of 21494851

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494850
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494851 can be divided by 8 positive divisors. The sum of these divisors (counting 21494851) is 1, the average is 0.125.

Base conversion 21494851

Base System Value
2 Binary 1010001111111110001000011
3 Ternary 1111110001101121
4 Quaternary 1101333301003
5 Quinary 21000313401
6 Senary 2044413111
8 Octal 121776103
10 Decimal 21494851
12 Duodecimal 7247197
16 Hexadecimal 147fc43
20 Vigesimal 6e6h2b
36 Base36 cspj7

Cryptographic Hash Functions

md5 7a17c575ee4047e80214ae71b1ec9931
sha1 9a993d82a20c54458851d8ee7b66e906b5498e91
sha256 dd28a6f7d8eacfa67dbe6cd419377b2bbe919694211967132ca30c0d19982776
sha512 e67fa2ce69d59207f7894c832cbbb0220c04914373116a82517a6c480add749e21f561f95ee5894f8c9c759c8478888610265153a48e86f8b3f0c98ba3dac165
ripemd-160 1349da5af0dcf777dfaef9837811efc2d26f0130

21494851 as geometric shapes

Circle

Radius = n
Diameter 42989702
Circumference 135056131.98321
Area 1.4515057168078E+15

Sphere

Radius = n
Volume 4.1599865477908E+22
Surface area 5.8060228672311E+15
Circumference 135056131.98321

Square

Length = n
Perimeter 85979404
Area 462028619512201
Diagonal 30398309.805389

Cube

Length = n
Surface area 2772171717073206
Volume 9.9312363341505E+21
Space diagonal 37230174.033123

Equilateral Triangle

Length = n
Perimeter 64484553
Area 2.0006426088651E+14
Altitude 18615087.016561

Triangular Pyramid

Length = n
Surface area 2.0006426088651E+14
Volume 1.1704074262407E+21
Height 10132769.93513