20691247 (number)

20691247 is an odd 8-digits composite number following 20691246 and preceding 20691248. In scientific notation, it is written as 2.0691247 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19456704 positive integers (up to 20691247) that are relatively prime to 20691247.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-one thousand two hundred forty-seven

Notation

Scientific notation 2.0691247 × 10^7
Engineering notation 2.0691247 × 10^6

Prime Factorization of 20691247

Prime Factorization 19 × 137 × 7949

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20691247
Product of the distinct prime numbers

The prime factorization of 20691247 is 19 × 137 × 7949. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20691247)

Multiplication

n×y
n×2 41382494
n×3 62073741
n×4 82764988
n×5 103456235

Division

n÷y
n÷2 10345623.5
n÷3 6897082.3333333
n÷3 5172811.75
n÷5 4138249.4

Exponentiation

ny
n2 428127702415009
n3 8.8584960382114E+21
n4 1.8329332957515E+29
n5 3.7925675556919E+36

Nth Root

y√n
2√n 4548.7632385078
3√n 274.53363157837
4√n 67.444519706999
5√n 29.050748930727

Divisors of 20691247

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 -20691246
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 20691247 can be divided by 8 positive divisors. The sum of these divisors (counting 20691247) is 1, the average is 0.125.

Base conversion 20691247

Base System Value
2 Binary 1001110111011100100101111
3 Ternary 1102221020001111
4 Quaternary 1032323210233
5 Quinary 20244104442
6 Senary 2015252451
8 Octal 116734457
10 Decimal 20691247
12 Duodecimal 6b1a127
16 Hexadecimal 13bb92f
20 Vigesimal 696827
36 Base36 cbhgv

Cryptographic Hash Functions

md5 4f5eb390f607bee94c13bd5f86851957
sha1 c222438a9390a98a19a1d1856b783d627699403e
sha256 3356c7a59fca32fab5cd685de7da2e294f64b9a986d2bcfabe35ae3480a137c3
sha512 53108c4cab79ca93b01c249e9a16250c18a8d8eeed44a60000f04ea5937fa7263c3d48d3591e10960f1a0562750ac8d5679050cac359c46691e495c5c98a839f
ripemd-160 a95850a986583b7acf9c43c351075f487fe35a2c

20691247 as geometric shapes

Circle

Radius = n
Diameter 41382494
Circumference 130006939.13762
Area 1.3450028447053E+15

Sphere

Radius = n
Volume 3.7106381433999E+22
Surface area 5.3800113788211E+15
Circumference 130006939.13762

Square

Length = n
Perimeter 82764988
Area 428127702415009
Diagonal 29261842.129812

Cube

Length = n
Surface area 2568766214490054
Volume 8.8584960382114E+21
Space diagonal 35838291.075957

Equilateral Triangle

Length = n
Perimeter 62073741
Area 1.8538473317763E+14
Altitude 17919145.537979

Triangular Pyramid

Length = n
Surface area 1.8538473317763E+14
Volume 1.0439837699556E+21
Height 9753947.3766039