21695989 (number)

21695989 is an odd 8-digits composite number following 21695988 and preceding 21695990. In scientific notation, it is written as 2.1695989 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 18526320 positive integers (up to 21695989) that are relatively prime to 21695989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1695989 × 10^7
Engineering notation 2.1695989 × 10^6

Prime Factorization of 21695989

Prime Factorization 1897 × 11437

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21695989
Product of the distinct prime numbers

The prime factorization of 21695989 is 1897 × 11437. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21695989)

Multiplication

n×y
n×2 43391978
n×3 65087967
n×4 86783956
n×5 108479945

Division

n÷y
n÷2 10847994.5
n÷3 7231996.3333333
n÷3 5423997.25
n÷5 4339197.8

Exponentiation

ny
n2 470715938688121
n3 1.0212647827902E+22
n4 2.2157349493504E+29
n5 4.8072561088022E+36

Nth Root

y√n
2√n 4657.8953401724
3√n 278.90725882171
4√n 68.248775374892
5√n 29.327557192948

Divisors of 21695989

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 -21695988
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 21695989 can be divided by 4 positive divisors. The sum of these divisors (counting 21695989) is 1, the average is 0.25.

Base conversion 21695989

Base System Value
2 Binary 1010010110000110111110101
3 Ternary 1111211021022011
4 Quaternary 1102300313311
5 Quinary 21023232424
6 Senary 2053004221
8 Octal 122606765
10 Decimal 21695989
12 Duodecimal 7323671
16 Hexadecimal 14b0df5
20 Vigesimal 6fbjj9
36 Base36 cx0qd

Cryptographic Hash Functions

md5 c40ce97bc67838795748371a939c26dc
sha1 1a81902aab1155e3bf036a82920841ddf86c83ce
sha256 62441720ec29ba9d26041aa1544ee06b939c3f415e5298d6ae1db452564a2bf3
sha512 de5d5fbc4b92525eacca1b9da82690081392d675bccc7af376ce3078d490493604bffadb97f18657a563458b65e954a71abf9fac2f8c7b73b5b0345b86083b1d
ripemd-160 ca577b73dd2f90fb0c3e45343b4cfa6a4d3255f2

21695989 as geometric shapes

Circle

Radius = n
Diameter 43391978
Circumference 136319919.30953
Area 1.4787977349102E+15

Sphere

Radius = n
Volume 4.277863918645E+22
Surface area 5.9151909396409E+15
Circumference 136319919.30953

Square

Length = n
Perimeter 86783956
Area 470715938688121
Diagonal 30682761.892897

Cube

Length = n
Surface area 2824295632128726
Volume 1.0212647827902E+22
Space diagonal 37578555.268455

Equilateral Triangle

Length = n
Perimeter 65087967
Area 2.0382598043508E+14
Altitude 18789277.634228

Triangular Pyramid

Length = n
Surface area 2.0382598043508E+14
Volume 1.2035720888299E+21
Height 10227587.297632