21494855 (number)

21494855 is an odd 8-digits composite number following 21494854 and preceding 21494856. In scientific notation, it is written as 2.1494855 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 17195880 positive integers (up to 21494855) that are relatively prime to 21494855.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494855 × 10^7
Engineering notation 2.1494855 × 10^6

Prime Factorization of 21494855

Prime Factorization 5 × 4298971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494855
Product of the distinct prime numbers

The prime factorization of 21494855 is 5 × 4298971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494855)

Multiplication

n×y
n×2 42989710
n×3 64484565
n×4 85979420
n×5 107474275

Division

n÷y
n÷2 10747427.5
n÷3 7164951.6666667
n÷3 5373713.75
n÷5 4298971

Exponentiation

ny
n2 462028791471025
n3 9.9312418784949E+21
n4 2.1347060414818E+29
n5 4.5885196829274E+36

Nth Root

y√n
2√n 4636.2544149345
3√n 278.04270603173
4√n 68.090046371952
5√n 29.272977839006

Divisors of 21494855

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 -21494854
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 21494855 can be divided by 4 positive divisors. The sum of these divisors (counting 21494855) is 1, the average is 0.25.

Base conversion 21494855

Base System Value
2 Binary 1010001111111110001000111
3 Ternary 1111110001101202
4 Quaternary 1101333301013
5 Quinary 21000313410
6 Senary 2044413115
8 Octal 121776107
10 Decimal 21494855
12 Duodecimal 724719b
16 Hexadecimal 147fc47
20 Vigesimal 6e6h2f
36 Base36 cspjb

Cryptographic Hash Functions

md5 2af54859426c2010ad68d9dbd4662430
sha1 25900a61a3511a3f768a70ee0e6af8da59884ea4
sha256 283a19230c7f80a0c332de16d758d520fe7da2090d170f5d618bf6712cd1188c
sha512 006d8fd87150ebc57f8c58a050a49fd0f9a727e55f91d823cd6a9ae22821d1a37b528854e9b77236360d82071c0b9c32f8425598c169a192bcccec80343e260e
ripemd-160 97b59cebf957ce1308b91f07d6e9ab62c9f293a7

21494855 as geometric shapes

Circle

Radius = n
Diameter 42989710
Circumference 135056157.11596
Area 1.4515062570323E+15

Sphere

Radius = n
Volume 4.1599888702004E+22
Surface area 5.8060250281294E+15
Circumference 135056157.11596

Square

Length = n
Perimeter 85979420
Area 462028791471025
Diagonal 30398315.462243

Cube

Length = n
Surface area 2772172748826150
Volume 9.9312418784949E+21
Space diagonal 37230180.961326

Equilateral Triangle

Length = n
Perimeter 64484565
Area 2.0006433534687E+14
Altitude 18615090.480663

Triangular Pyramid

Length = n
Surface area 2.0006433534687E+14
Volume 1.1704080796479E+21
Height 10132771.820748