21808047 (number)

21808047 is an odd 8-digits composite number following 21808046 and preceding 21808048. In scientific notation, it is written as 2.1808047 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14229272 positive integers (up to 21808047) that are relatively prime to 21808047.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eight thousand forty-seven

Notation

Scientific notation 2.1808047 × 10^7
Engineering notation 2.1808047 × 10^6

Prime Factorization of 21808047

Prime Factorization 3 × 47 × 154667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21808047
Product of the distinct prime numbers

The prime factorization of 21808047 is 3 × 47 × 154667. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21808047)

Multiplication

n×y
n×2 43616094
n×3 65424141
n×4 87232188
n×5 109040235

Division

n÷y
n÷2 10904023.5
n÷3 7269349
n÷3 5452011.75
n÷5 4361609.4

Exponentiation

ny
n2 475590913954209
n3 1.0371709004286E+22
n4 2.261867174358E+29
n5 4.9326905646156E+36

Nth Root

y√n
2√n 4669.9086714838
3√n 279.38661218243
4√n 68.336730032127
5√n 29.357789682468

Divisors of 21808047

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 -21808046
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 21808047 can be divided by 8 positive divisors. The sum of these divisors (counting 21808047) is 1, the average is 0.125.

Base conversion 21808047

Base System Value
2 Binary 1010011001100001110101111
3 Ternary 1112000222000110
4 Quaternary 1103030032233
5 Quinary 21040324142
6 Senary 2055231103
8 Octal 123141657
10 Decimal 21808047
12 Duodecimal 7378493
16 Hexadecimal 14cc3af
20 Vigesimal 6g6027
36 Base36 czf73

Cryptographic Hash Functions

md5 e2e9cab17bc76cf5a6ac8f3c1a64f69d
sha1 4b2da749ab6ea3c3860b0e047ba64d4af8be6188
sha256 98fc97001dafa3351a09c30ee3b077a3d6edabde031e87b17e86afbd245dfaa9
sha512 d730904bb79b6e01d9da54dc975456b16ad88673416a437f970eeefcf348df9f22249707e394b655c9b22642b7942988a7418950f9b39aba6d5eda75c555dd9f
ripemd-160 f53bebc8ed7cf5ace5ebdc22e39d4c8fc4fdbc29

21808047 as geometric shapes

Circle

Radius = n
Diameter 43616094
Circumference 137024000.48868
Area 1.4941129213926E+15

Sphere

Radius = n
Volume 4.3444913084049E+22
Surface area 5.9764516855704E+15
Circumference 137024000.48868

Square

Length = n
Perimeter 87232188
Area 475590913954209
Diagonal 30841235.83627

Cube

Length = n
Surface area 2853545483725254
Volume 1.0371709004286E+22
Space diagonal 37772645.41785

Equilateral Triangle

Length = n
Perimeter 65424141
Area 2.059369066467E+14
Altitude 18886322.708925

Triangular Pyramid

Length = n
Surface area 2.059369066467E+14
Volume 1.2223176282374E+21
Height 10280411.945423