20689918 (number)

20689918 is an even 8-digits composite number following 20689917 and preceding 20689919. In scientific notation, it is written as 2.0689918 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 9736416 positive integers (up to 20689918) that are relatively prime to 20689918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0689918 × 10^7
Engineering notation 2.0689918 × 10^6

Prime Factorization of 20689918

Prime Factorization 2 × 17 × 608527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20689918
Product of the distinct prime numbers

The prime factorization of 20689918 is 2 × 17 × 608527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20689918)

Multiplication

n×y
n×2 41379836
n×3 62069754
n×4 82759672
n×5 103449590

Division

n÷y
n÷2 10344959
n÷3 6896639.3333333
n÷3 5172479.5
n÷5 4137983.6

Exponentiation

ny
n2 428072706846724
n3 8.8567892026968E+21
n4 1.8324624234708E+29
n5 3.7913497279692E+36

Nth Root

y√n
2√n 4548.6171524981
3√n 274.52775368214
4√n 67.443436689556
5√n 29.05037573488

Divisors of 20689918

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 -20689917
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 20689918 can be divided by 8 positive divisors. The sum of these divisors (counting 20689918) is 1, the average is 0.125.

Base conversion 20689918

Base System Value
2 Binary 1001110111011001111111110
3 Ternary 1102221011020021
4 Quaternary 1032323033332
5 Quinary 20244034133
6 Senary 2015242354
8 Octal 116731776
10 Decimal 20689918
12 Duodecimal 6b193ba
16 Hexadecimal 13bb3fe
20 Vigesimal 6964fi
36 Base36 cbgfy

Cryptographic Hash Functions

md5 2b88fbbff52a8450bf383e5b1303ef59
sha1 e2d688839d9c9d18681f7ef0c202842890f91078
sha256 3692923f301e01a8f1ad448221fdf44306f682c27dda19085e1044bbd3b38ce3
sha512 ee54b8c2402829be66b74e36d0562eca4648a34ebdf79b0155130e5e7d94afea87c6feeb07b82243189412394a766ce65f3d1bc76216ac3ba6b77c46ba028a9b
ripemd-160 590bd5c0cbbbb1db6e45d0a74ceb7dd9194ee1f6

20689918 as geometric shapes

Circle

Radius = n
Diameter 41379836
Circumference 129998588.78435
Area 1.344830071032E+15

Sphere

Radius = n
Volume 3.7099231858114E+22
Surface area 5.3793202841279E+15
Circumference 129998588.78435

Square

Length = n
Perimeter 82759672
Area 428072706846724
Diagonal 29259962.639987

Cube

Length = n
Surface area 2568436241080344
Volume 8.8567892026968E+21
Space diagonal 35835989.180434

Equilateral Triangle

Length = n
Perimeter 62069754
Area 1.8536091939802E+14
Altitude 17917994.590217

Triangular Pyramid

Length = n
Surface area 1.8536091939802E+14
Volume 1.0437826174611E+21
Height 9753320.8799957