21695979 (number)

21695979 is an odd 8-digits composite number following 21695978 and preceding 21695980. In scientific notation, it is written as 2.1695979 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 14399816 positive integers (up to 21695979) that are relatively prime to 21695979.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-five thousand nine hundred seventy-nine

Notation

Scientific notation 2.1695979 × 10^7
Engineering notation 2.1695979 × 10^6

Prime Factorization of 21695979

Prime Factorization 3 × 227 × 31859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21695979
Product of the distinct prime numbers

The prime factorization of 21695979 is 3 × 227 × 31859. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21695979)

Multiplication

n×y
n×2 43391958
n×3 65087937
n×4 86783916
n×5 108479895

Division

n÷y
n÷2 10847989.5
n÷3 7231993
n÷3 5423994.75
n÷5 4339195.8

Exponentiation

ny
n2 470715504768441
n3 1.021263370643E+22
n4 2.2157308642941E+29
n5 4.8072450301376E+36

Nth Root

y√n
2√n 4657.8942667261
3√n 278.90721597089
4√n 68.248767510675
5√n 29.327554489447

Divisors of 21695979

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 -21695978
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 21695979 can be divided by 8 positive divisors. The sum of these divisors (counting 21695979) is 1, the average is 0.125.

Base conversion 21695979

Base System Value
2 Binary 1010010110000110111101011
3 Ternary 1111211021021210
4 Quaternary 1102300313223
5 Quinary 21023232404
6 Senary 2053004203
8 Octal 122606753
10 Decimal 21695979
12 Duodecimal 7323663
16 Hexadecimal 14b0deb
20 Vigesimal 6fbjij
36 Base36 cx0q3

Cryptographic Hash Functions

md5 fdffc779f3daaaad9430ed356140bd69
sha1 58fe0d27ca8955f360608f0ff691f4d2d5c1c3d3
sha256 f326ef668a42c16334701a5f3571d0133578aa35510c88ae1ff0b24b33c4d8d8
sha512 d2f30b33d400e57b02b28dfe00d2025d9850e5955afb5ec445475a6ef4fade1f8522ce59426ae5cee5950606aedc8eee3c218314486088e5b2b131b6c2892c84
ripemd-160 baf72ea8152ec32fe153daaf714fc66d40766777

21695979 as geometric shapes

Circle

Radius = n
Diameter 43391958
Circumference 136319856.47768
Area 1.4787963717113E+15

Sphere

Radius = n
Volume 4.2778580034567E+22
Surface area 5.9151854868454E+15
Circumference 136319856.47768

Square

Length = n
Perimeter 86783916
Area 470715504768441
Diagonal 30682747.750762

Cube

Length = n
Surface area 2824293028610646
Volume 1.021263370643E+22
Space diagonal 37578537.947947

Equilateral Triangle

Length = n
Perimeter 65087937
Area 2.0382579254234E+14
Altitude 18789268.973974

Triangular Pyramid

Length = n
Surface area 2.0382579254234E+14
Volume 1.2035704245986E+21
Height 10227582.583587