20689915 (number)

20689915 is an odd 8-digits composite number following 20689914 and preceding 20689916. In scientific notation, it is written as 2.0689915 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 16478112 positive integers (up to 20689915) that are relatively prime to 20689915.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-nine thousand nine hundred fifteen

Notation

Scientific notation 2.0689915 × 10^7
Engineering notation 2.0689915 × 10^6

Prime Factorization of 20689915

Prime Factorization 5 × 227 × 18229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20689915
Product of the distinct prime numbers

The prime factorization of 20689915 is 5 × 227 × 18229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20689915)

Multiplication

n×y
n×2 41379830
n×3 62069745
n×4 82759660
n×5 103449575

Division

n÷y
n÷2 10344957.5
n÷3 6896638.3333333
n÷3 5172478.75
n÷5 4137983

Exponentiation

ny
n2 428072582707225
n3 8.856785350043E+21
n4 1.8324613606563E+29
n5 3.7913469792764E+36

Nth Root

y√n
2√n 4548.6168227275
3√n 274.52774041347
4√n 67.443434244762
5√n 29.05037489243

Divisors of 20689915

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 -20689914
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 20689915 can be divided by 8 positive divisors. The sum of these divisors (counting 20689915) is 1, the average is 0.125.

Base conversion 20689915

Base System Value
2 Binary 1001110111011001111111011
3 Ternary 1102221011020011
4 Quaternary 1032323033323
5 Quinary 20244034130
6 Senary 2015242351
8 Octal 116731773
10 Decimal 20689915
12 Duodecimal 6b193b7
16 Hexadecimal 13bb3fb
20 Vigesimal 6964ff
36 Base36 cbgfv

Cryptographic Hash Functions

md5 7ce05ffcf1cee5e3229aefc39929169d
sha1 8de102b89393401a81cbd2acdf04d047438a15db
sha256 c8badb92bfabc70481d712c28e94f8b1034d09dc120b2b6ee57d5fbdc9743316
sha512 8573301ed2dc4b75050bc0cbf49cf501ef38c71125bd5f862d6976b261d611c1e5ea23ff4c9fae4ff779c9ff5bdbf42a4a958b52b5dff239ada6789e264b94d4
ripemd-160 38f175d211e77f42e06e0f3001b10eb3204e066a

20689915 as geometric shapes

Circle

Radius = n
Diameter 41379830
Circumference 129998569.93479
Area 1.3448296810362E+15

Sphere

Radius = n
Volume 3.7099215720156E+22
Surface area 5.3793187241449E+15
Circumference 129998569.93479

Square

Length = n
Perimeter 82759660
Area 428072582707225
Diagonal 29259958.397347

Cube

Length = n
Surface area 2568435496243350
Volume 8.856785350043E+21
Space diagonal 35835983.984281

Equilateral Triangle

Length = n
Perimeter 62069745
Area 1.8536086564404E+14
Altitude 17917991.992141

Triangular Pyramid

Length = n
Surface area 1.8536086564404E+14
Volume 1.0437821634215E+21
Height 9753319.4657822