21695871 (number)

21695871 is an odd 8-digits composite number following 21695870 and preceding 21695872. In scientific notation, it is written as 2.1695871 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14463912 positive integers (up to 21695871) that are relatively prime to 21695871.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1695871 × 10^7
Engineering notation 2.1695871 × 10^6

Prime Factorization of 21695871

Prime Factorization 3 × 7231957

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21695871
Product of the distinct prime numbers

The prime factorization of 21695871 is 3 × 7231957. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21695871)

Multiplication

n×y
n×2 43391742
n×3 65087613
n×4 86783484
n×5 108479355

Division

n÷y
n÷2 10847935.5
n÷3 7231957
n÷3 5423967.75
n÷5 4339174.2

Exponentiation

ny
n2 470710818448641
n3 1.0212481195366E+22
n4 2.2156867460459E+29
n5 4.8071253818621E+36

Nth Root

y√n
2√n 4657.8826734902
3√n 278.90675318115
4√n 68.248682576957
5√n 29.327525291574

Divisors of 21695871

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 -21695870
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 21695871 can be divided by 4 positive divisors. The sum of these divisors (counting 21695871) is 1, the average is 0.25.

Base conversion 21695871

Base System Value
2 Binary 1010010110000110101111111
3 Ternary 1111211021010210
4 Quaternary 1102300311333
5 Quinary 21023231441
6 Senary 2053003503
8 Octal 122606577
10 Decimal 21695871
12 Duodecimal 7323593
16 Hexadecimal 14b0d7f
20 Vigesimal 6fbjdb
36 Base36 cx0n3

Cryptographic Hash Functions

md5 3dfe6a66a17f6f097a43483b91f18da9
sha1 2650d382b057b723dbca177ad53cd3a17950550f
sha256 abea1bc23f0e21cbb6ff909f372d0adcc51e65dda46710050c0554e3c53cdf33
sha512 9163c9365cd04e4c781a066fb39abb6721f9c8e8c5be6e9ad675b13f99f8e31ca52e3408d54fbf251f374af4d3c4085297baa5728231a3bcddf9e152e91c0a4d
ripemd-160 dad47cedca9ce0a357e4ed34740996557154b110

21695871 as geometric shapes

Circle

Radius = n
Diameter 43391742
Circumference 136319177.89366
Area 1.4787816492035E+15

Sphere

Radius = n
Volume 4.2777941197715E+22
Surface area 5.915126596814E+15
Circumference 136319177.89366

Square

Length = n
Perimeter 86783484
Area 470710818448641
Diagonal 30682595.015697

Cube

Length = n
Surface area 2824264910691846
Volume 1.0212481195366E+22
Space diagonal 37578350.88646

Equilateral Triangle

Length = n
Perimeter 65087613
Area 2.0382376330634E+14
Altitude 18789175.44323

Triangular Pyramid

Length = n
Surface area 2.0382376330634E+14
Volume 1.2035524509972E+21
Height 10227531.671899