21039979 (number)

21039979 is an odd 8-digits composite number following 21039978 and preceding 21039980. In scientific notation, it is written as 2.1039979 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 20148480 positive integers (up to 21039979) that are relatively prime to 21039979.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-nine thousand nine hundred seventy-nine

Notation

Scientific notation 2.1039979 × 10^7
Engineering notation 2.1039979 × 10^6

Prime Factorization of 21039979

Prime Factorization 31 × 97 × 6997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21039979
Product of the distinct prime numbers

The prime factorization of 21039979 is 31 × 97 × 6997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21039979)

Multiplication

n×y
n×2 42079958
n×3 63119937
n×4 84159916
n×5 105199895

Division

n÷y
n÷2 10519989.5
n÷3 7013326.3333333
n÷3 5259994.75
n÷5 4207995.8

Exponentiation

ny
n2 442680716320441
n3 9.313992975087E+21
n4 1.9596621660198E+29
n5 4.1231250820151E+36

Nth Root

y√n
2√n 4586.9356873625
3√n 276.06738447814
4√n 67.726919960696
5√n 29.148020104515

Divisors of 21039979

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 -21039978
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 21039979 can be divided by 8 positive divisors. The sum of these divisors (counting 21039979) is 1, the average is 0.125.

Base conversion 21039979

Base System Value
2 Binary 1010000010000101101101011
3 Ternary 1110120221102111
4 Quaternary 1100100231223
5 Quinary 20341234404
6 Senary 2030543151
8 Octal 120205553
10 Decimal 21039979
12 Duodecimal 7067ab7
16 Hexadecimal 1410b6b
20 Vigesimal 6b9jij
36 Base36 ciyjv

Cryptographic Hash Functions

md5 3528b00d6be68cb601a61c63b5b4e344
sha1 864dad05e9d7b60d5ce762270e6ff2cd0ef853f6
sha256 42973135d5b4e360a88514a11cc67734f7bf83c68cbcc93e7c59099ce8196f03
sha512 5bed069ae2fd3905faeefdbb397ef83314d73513c918711d66073223997d465940a887cd0bec529da591c96e216964ba0ac500f97df397eaeb104a6c651fc2d5
ripemd-160 34efbaf8846313469268a17be215d34faf2233b0

21039979 as geometric shapes

Circle

Radius = n
Diameter 42079958
Circumference 132198086.91617
Area 1.3907224862782E+15

Sphere

Radius = n
Volume 3.9014362541494E+22
Surface area 5.5628899451127E+15
Circumference 132198086.91617

Square

Length = n
Perimeter 84159916
Area 442680716320441
Diagonal 29755023.653845

Cube

Length = n
Surface area 2656084297922646
Volume 9.313992975087E+21
Space diagonal 36442312.618182

Equilateral Triangle

Length = n
Perimeter 63119937
Area 1.916863730495E+14
Altitude 18221156.309091

Triangular Pyramid

Length = n
Surface area 1.916863730495E+14
Volume 1.097664598768E+21
Height 9918341.2179484