21031969 (number)

21031969 is an odd 8-digits composite number following 21031968 and preceding 21031970. In scientific notation, it is written as 2.1031969 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17998416 positive integers (up to 21031969) that are relatively prime to 21031969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031969 × 10^7
Engineering notation 2.1031969 × 10^6

Prime Factorization of 21031969

Prime Factorization 7 × 733 × 4099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031969
Product of the distinct prime numbers

The prime factorization of 21031969 is 7 × 733 × 4099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031969)

Multiplication

n×y
n×2 42063938
n×3 63095907
n×4 84127876
n×5 105159845

Division

n÷y
n÷2 10515984.5
n÷3 7010656.3333333
n÷3 5257992.25
n÷5 4206393.8

Exponentiation

ny
n2 442343720016961
n3 9.3033594067414E+21
n4 1.9566796663844E+29
n5 4.1152826086328E+36

Nth Root

y√n
2√n 4586.0624723176
3√n 276.03234673047
4√n 67.720473066257
5√n 29.145800414056

Divisors of 21031969

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 -21031968
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 21031969 can be divided by 8 positive divisors. The sum of these divisors (counting 21031969) is 1, the average is 0.125.

Base conversion 21031969

Base System Value
2 Binary 1010000001110110000100001
3 Ternary 1110120112102211
4 Quaternary 1100032300201
5 Quinary 20341010334
6 Senary 2030442121
8 Octal 120166041
10 Decimal 21031969
12 Duodecimal 7063341
16 Hexadecimal 140ec21
20 Vigesimal 6b8ji9
36 Base36 cisdd

Cryptographic Hash Functions

md5 6cf70b36647336596ac1809037a9cb8d
sha1 05d8a1427f4a87be12032482ed88be7d790cd459
sha256 3254916ac9d8228c83fbf7f2d0b8d8984b2406a834fc18bae0f94adffcb16d4c
sha512 dfc702fe65c34ca89eb9815cfb23818afe176f5057d43e5c653b9dc74cdaa1928603d561c36ea57f1fb4f87b890d893f511e536efd64a408b7f0ae0947e7f0e5
ripemd-160 9e2fdc5a9ebff0039807ca71a7771fab38eada46

21031969 as geometric shapes

Circle

Radius = n
Diameter 42063938
Circumference 132147758.60186
Area 1.3896637811669E+15

Sphere

Radius = n
Volume 3.8969820754566E+22
Surface area 5.5586551246675E+15
Circumference 132147758.60186

Square

Length = n
Perimeter 84127876
Area 442343720016961
Diagonal 29743695.803211

Cube

Length = n
Surface area 2654062320101766
Volume 9.3033594067414E+21
Space diagonal 36428438.891214

Equilateral Triangle

Length = n
Perimeter 63095907
Area 1.915404493696E+14
Altitude 18214219.445607

Triangular Pyramid

Length = n
Surface area 1.915404493696E+14
Volume 1.0964114207204E+21
Height 9914565.2677368