21691869 (number)

21691869 is an odd 8-digits composite number following 21691868 and preceding 21691870. In scientific notation, it is written as 2.1691869 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 14436576 positive integers (up to 21691869) that are relatively prime to 21691869.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred sixty-nine

Notation

Scientific notation 2.1691869 × 10^7
Engineering notation 2.1691869 × 10^6

Prime Factorization of 21691869

Prime Factorization 3 × 617 × 11719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21691869
Product of the distinct prime numbers

The prime factorization of 21691869 is 3 × 617 × 11719. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691869)

Multiplication

n×y
n×2 43383738
n×3 65075607
n×4 86767476
n×5 108459345

Division

n÷y
n÷2 10845934.5
n÷3 7230623
n÷3 5422967.25
n÷5 4338373.8

Exponentiation

ny
n2 470537180713161
n3 1.0206830883659E+22
n4 2.2140523843349E+29
n5 4.802693428013E+36

Nth Root

y√n
2√n 4657.4530593448
3√n 278.88960316731
4√n 68.245535087248
5√n 29.326443266178

Divisors of 21691869

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 -21691868
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 21691869 can be divided by 8 positive divisors. The sum of these divisors (counting 21691869) is 1, the average is 0.125.

Base conversion 21691869

Base System Value
2 Binary 1010010101111110111011101
3 Ternary 1111211001122120
4 Quaternary 1102233313131
5 Quinary 21023114434
6 Senary 2052533153
8 Octal 122576735
10 Decimal 21691869
12 Duodecimal 73211b9
16 Hexadecimal 14afddd
20 Vigesimal 6fb9d9
36 Base36 cwxjx

Cryptographic Hash Functions

md5 4bc62e473dd51aa3fb04c8bd6a04b111
sha1 49fbe7541b1375dd2295d0e65ed90e682595fdcb
sha256 45caf913abc704942e9a612e0d76869797000e2668c818b1da2329248014735f
sha512 5265970b59486be6aaf23250de896b99d6810c4f64e75c94cfbbad1fa58fc3c47df39f3b19a3d4e8df51e667f7a0065470747f7f12954d4893fdf72ac7079cf6
ripemd-160 5bd2b465ab3986801ef61a457bcd25f702907a98

21691869 as geometric shapes

Circle

Radius = n
Diameter 43383738
Circumference 136294032.58606
Area 1.4782361501693E+15

Sphere

Radius = n
Volume 4.2754273227383E+22
Surface area 5.9129446006773E+15
Circumference 136294032.58606

Square

Length = n
Perimeter 86767476
Area 470537180713161
Diagonal 30676935.333021

Cube

Length = n
Surface area 2823223084278966
Volume 1.0206830883659E+22
Space diagonal 37571419.219128

Equilateral Triangle

Length = n
Perimeter 65075607
Area 2.0374857596135E+14
Altitude 18785709.609564

Triangular Pyramid

Length = n
Surface area 2.0374857596135E+14
Volume 1.2028865553766E+21
Height 10225645.111007