21642008 (number)

21642008 is an even 8-digits composite number following 21642007 and preceding 21642009. In scientific notation, it is written as 2.1642008 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 8 positive divisors. There are 10821000 positive integers (up to 21642008) that are relatively prime to 21642008.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred forty-two thousand eight

Notation

Scientific notation 2.1642008 × 10^7
Engineering notation 2.1642008 × 10^6

Prime Factorization of 21642008

Prime Factorization 2 × 2 × 2 × 2705251

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5410502
Product of the distinct prime numbers

The prime factorization of 21642008 is 2 × 2 × 2 × 2705251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21642008)

Multiplication

n×y
n×2 43284016
n×3 64926024
n×4 86568032
n×5 108210040

Division

n÷y
n÷2 10821004
n÷3 7214002.6666667
n÷3 5410502
n÷5 4328401.6

Exponentiation

ny
n2 468376510272064
n3 1.013660818232E+22
n4 2.1937655537464E+29
n5 4.7477491664303E+36

Nth Root

y√n
2√n 4652.0971614961
3√n 278.67575371826
4√n 68.206283885696
5√n 29.31294888177

Divisors of 21642008

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 -21642007
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 21642008 can be divided by 8 positive divisors. The sum of these divisors (counting 21642008) is 1, the average is 0.125.

Base conversion 21642008

Base System Value
2 Binary 1010010100011101100011000
3 Ternary 1111201112020212
4 Quaternary 1102203230120
5 Quinary 21020021013
6 Senary 2051510252
8 Octal 122435430
10 Decimal 21642008
12 Duodecimal 72b8388
16 Hexadecimal 14a3b18
20 Vigesimal 6f5508
36 Base36 cvv2w

Cryptographic Hash Functions

md5 d243d03448f76670b1bd65c09a81cba6
sha1 0f5404e4324c6864c60ae802db6cc0fb2cd1d3e5
sha256 f56b2da6ed42ec2c00fc210921ff50a37cdd4ab967000543f91ab1643172032d
sha512 66825d2999dec4ff5ad131b388e28508ebf419f1eada99a6e97f8d91ab031fa4eadc8a36d22b6309a90e06e883ac550d3e1114ddbc45dc5c5e9964ee6d91fde3
ripemd-160 648c827e9dbb41f91a87e3dac0af43709a396dc6

21642008 as geometric shapes

Circle

Radius = n
Diameter 43284016
Circumference 135980746.68346
Area 1.4714482037847E+15

Sphere

Radius = n
Volume 4.246012506386E+22
Surface area 5.885792815139E+15
Circumference 135980746.68346

Square

Length = n
Perimeter 86568032
Area 468376510272064
Diagonal 30606421.230587

Cube

Length = n
Surface area 2810259061632384
Volume 1.013660818232E+22
Space diagonal 37485057.433812

Equilateral Triangle

Length = n
Perimeter 64926024
Area 2.0281297821576E+14
Altitude 18742528.716906

Triangular Pyramid

Length = n
Surface area 2.0281297821576E+14
Volume 1.1946107306583E+21
Height 10202140.410196