18696989 (number)

18696989 is an odd 8-digits composite number following 18696988 and preceding 18696990. In scientific notation, it is written as 1.8696989 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 18612924 positive integers (up to 18696989) that are relatively prime to 18696989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8696989 × 10^7
Engineering notation 1.8696989 × 10^6

Prime Factorization of 18696989

Prime Factorization 223 × 83843

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18696989
Product of the distinct prime numbers

The prime factorization of 18696989 is 223 × 83843. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18696989)

Multiplication

n×y
n×2 37393978
n×3 56090967
n×4 74787956
n×5 93484945

Division

n÷y
n÷2 9348494.5
n÷3 6232329.6666667
n÷3 4674247.25
n÷5 3739397.8

Exponentiation

ny
n2 349577397666121
n3 6.5360447588121E+21
n4 1.2220435695902E+29
n5 2.2848535178148E+36

Nth Root

y√n
2√n 4324.0015032375
3√n 265.41403889213
4√n 65.757140321318
5√n 28.467828085868

Divisors of 18696989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18696988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18696989 can be divided by 4 positive divisors. The sum of these divisors (counting 18696989) is 1, the average is 0.25.

Base conversion 18696989

Base System Value
2 Binary 1000111010100101100011101
3 Ternary 1022011220110002
4 Quaternary 1013110230131
5 Quinary 14241300424
6 Senary 1504424045
8 Octal 107245435
10 Decimal 18696989
12 Duodecimal 6318025
16 Hexadecimal 11d4b1d
20 Vigesimal 5gh299
36 Base36 b4qot

Cryptographic Hash Functions

md5 429b145f3a6dcc1c25d73929d34d4003
sha1 e8c9c4bc3b2b2fe9edfe5fc11ac078b4c424b849
sha256 dc90b403b33661460fa9b31dea9fe0b76f19d52c1da3780d88c381271c9da9f1
sha512 58e844c2178d90e5e2e66e73e45c5151f41f101981cf6efc70a060234d869e07e5ffd572d49e63d340ed76f92dc4f7bd450cd7322cd98ee1b85dbd5f7c8d6dea
ripemd-160 ead2b19c63e9ed33bd1b6335ba9b9f77c729ace3

18696989 as geometric shapes

Circle

Radius = n
Diameter 37393978
Circumference 117476646.5733
Area 1.0982297843689E+15

Sphere

Radius = n
Volume 2.7378120263758E+22
Surface area 4.3929191374757E+15
Circumference 117476646.5733

Square

Length = n
Perimeter 74787956
Area 349577397666121
Diagonal 26441535.419341

Cube

Length = n
Surface area 2097464385996726
Volume 6.5360447588121E+21
Space diagonal 32384134.896556

Equilateral Triangle

Length = n
Perimeter 56090967
Area 1.5137145348386E+14
Altitude 16192067.448278

Triangular Pyramid

Length = n
Surface area 1.5137145348386E+14
Volume 7.7028026184914E+20
Height 8813845.1397802