21689939 (number)

21689939 is an odd 8-digits composite number following 21689938 and preceding 21689940. In scientific notation, it is written as 2.1689939 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 21680400 positive integers (up to 21689939) that are relatively prime to 21689939.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred thirty-nine

Notation

Scientific notation 2.1689939 × 10^7
Engineering notation 2.1689939 × 10^6

Prime Factorization of 21689939

Prime Factorization 5801 × 3739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21689939
Product of the distinct prime numbers

The prime factorization of 21689939 is 5801 × 3739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689939)

Multiplication

n×y
n×2 43379878
n×3 65069817
n×4 86759756
n×5 108449695

Division

n÷y
n÷2 10844969.5
n÷3 7229979.6666667
n÷3 5422484.75
n÷5 4337987.8

Exponentiation

ny
n2 470453453823721
n3 1.0204106715776E+22
n4 2.2132645221467E+29
n5 4.8005572476226E+36

Nth Root

y√n
2√n 4657.2458599477
3√n 278.88133166708
4√n 68.244017026753
5√n 29.325921392752

Divisors of 21689939

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 -21689938
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 21689939 can be divided by 4 positive divisors. The sum of these divisors (counting 21689939) is 1, the average is 0.25.

Base conversion 21689939

Base System Value
2 Binary 1010010101111011001010011
3 Ternary 1111210222000002
4 Quaternary 1102233121103
5 Quinary 21023034224
6 Senary 2052520215
8 Octal 122573123
10 Decimal 21689939
12 Duodecimal 732006b
16 Hexadecimal 14af653
20 Vigesimal 6fb4gj
36 Base36 cww2b

Cryptographic Hash Functions

md5 f396629504642f09c59135c4afe7197c
sha1 55db42b71fd11993ba846b6be144cecaf04b9d0e
sha256 37060f7ccc549201d569171fc5415311dd0369e6f6ad202788488f3b32777298
sha512 ed6b4086a84f0dfef1247554170b92f7699acd08e9201460215b9f75462e6eea51cd1dfe5348fd80352fc230fb3b7fefbbc78c2adadfdf05275de736b37d4b60
ripemd-160 d2bb23e518dd7f5b08693d52f177c690e0ec9359

21689939 as geometric shapes

Circle

Radius = n
Diameter 43379878
Circumference 136281906.03842
Area 1.4779731143885E+15

Sphere

Radius = n
Volume 4.2742862259637E+22
Surface area 5.9118924575542E+15
Circumference 136281906.03842

Square

Length = n
Perimeter 86759756
Area 470453453823721
Diagonal 30674205.900845

Cube

Length = n
Surface area 2822720722942326
Volume 1.0204106715776E+22
Space diagonal 37568076.36107

Equilateral Triangle

Length = n
Perimeter 65069817
Area 2.0371232115474E+14
Altitude 18784038.180535

Triangular Pyramid

Length = n
Surface area 2.0371232115474E+14
Volume 1.2025655091127E+21
Height 10224735.300282