18886989 (number)

18886989 is an odd 8-digits composite number following 18886988 and preceding 18886990. In scientific notation, it is written as 1.8886989 × 10^7. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 11446640 positive integers (up to 18886989) that are relatively prime to 18886989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8886989 × 10^7
Engineering notation 1.8886989 × 10^6

Prime Factorization of 18886989

Prime Factorization 3 × 11 × 572333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18886989
Product of the distinct prime numbers

The prime factorization of 18886989 is 3 × 11 × 572333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18886989)

Multiplication

n×y
n×2 37773978
n×3 56660967
n×4 75547956
n×5 94434945

Division

n÷y
n÷2 9443494.5
n÷3 6295663
n÷3 4721747.25
n÷5 3777397.8

Exponentiation

ny
n2 356718353486121
n3 6.7373356183905E+21
n4 1.2724798371385E+29
n5 2.4033312686756E+36

Nth Root

y√n
2√n 4345.9163590663
3√n 266.31006205216
4√n 65.923564520331
5√n 28.525452704048

Divisors of 18886989

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 -18886988
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 18886989 can be divided by 8 positive divisors. The sum of these divisors (counting 18886989) is 1, the average is 0.125.

Base conversion 18886989

Base System Value
2 Binary 1001000000011000101001101
3 Ternary 1022112120002010
4 Quaternary 1020003011031
5 Quinary 14313340424
6 Senary 1512451433
8 Octal 110030515
10 Decimal 18886989
12 Duodecimal 63a9b79
16 Hexadecimal 120314d
20 Vigesimal 5i0h99
36 Base36 b8tal

Cryptographic Hash Functions

md5 87f5044873607c031f573e1fb6f33248
sha1 54472674635b7be17ac50f37a0938886343af16b
sha256 35a0f3d25b8ffdba586684751099f6184c92fbc7b5c7a7bc75a688b39b2aade3
sha512 d8a98089f15944c73f5b562943142ca1408ecec6662800a60a7ce7e4e6dcbb47079a8ed9a4423f149d2749db8831ed946e7f74572e923223152e5f4cde2b01a7
ripemd-160 32f12ad153553adfb0263b647b0bf974cf57f8e9

18886989 as geometric shapes

Circle

Radius = n
Diameter 37773978
Circumference 118670451.78166
Area 1.1206637587126E+15

Sphere

Radius = n
Volume 2.8221285444673E+22
Surface area 4.4826550348506E+15
Circumference 118670451.78166

Square

Length = n
Perimeter 75547956
Area 356718353486121
Diagonal 26710235.996191

Cube

Length = n
Surface area 2140310120916726
Volume 6.7373356183905E+21
Space diagonal 32713224.549994

Equilateral Triangle

Length = n
Perimeter 56660967
Area 1.5446357805757E+14
Altitude 16356612.274997

Triangular Pyramid

Length = n
Surface area 1.5446357805757E+14
Volume 7.9400261714893E+20
Height 8903411.9987305