18449989 (number)

18449989 is an odd 8-digits composite number following 18449988 and preceding 18449990. In scientific notation, it is written as 1.8449989 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 17843280 positive integers (up to 18449989) that are relatively prime to 18449989.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-nine thousand nine hundred eighty-nine

Notation

Scientific notation 1.8449989 × 10^7
Engineering notation 1.8449989 × 10^6

Prime Factorization of 18449989

Prime Factorization 71 × 53 × 4903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18449989
Product of the distinct prime numbers

The prime factorization of 18449989 is 71 × 53 × 4903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18449989)

Multiplication

n×y
n×2 36899978
n×3 55349967
n×4 73799956
n×5 92249945

Division

n÷y
n÷2 9224994.5
n÷3 6149996.3333333
n÷3 4612497.25
n÷5 3689997.8

Exponentiation

ny
n2 340402094100121
n3 6.2804148917242E+21
n4 1.1587358566775E+29
n5 2.1378663809605E+36

Nth Root

y√n
2√n 4295.3450385272
3√n 264.24008711088
4√n 65.538881883407
5√n 28.392211552554

Divisors of 18449989

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 -18449988
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 18449989 can be divided by 8 positive divisors. The sum of these divisors (counting 18449989) is 1, the average is 0.125.

Base conversion 18449989

Base System Value
2 Binary 1000110011000011001000101
3 Ternary 1021201100121221
4 Quaternary 1012120121011
5 Quinary 14210344424
6 Senary 1455240341
8 Octal 106303105
10 Decimal 18449989
12 Duodecimal 62190b1
16 Hexadecimal 1198645
20 Vigesimal 5f64j9
36 Base36 azg3p

Cryptographic Hash Functions

md5 54e3bec554b1b963128bf6a0f62e4c23
sha1 d3fd2f151621699a64f14cf65d995ca4c0d54d75
sha256 e3ebe25ad1de8dc5a0d4c7cb690b7cd4be4c34af2bf800202ea0e85deb30cd60
sha512 53908f46b1a0198669f6c69e5b8141f0773093e71a8a5dfc131191c11f7f74697dd1c563b7bc999fb9f67f22138914de38f498bb6522b796eba1ed22f866ce3a
ripemd-160 76f1b7120835c57f4225fd541eee51907c8ed03b

18449989 as geometric shapes

Circle

Radius = n
Diameter 36899978
Circumference 115924699.80242
Area 1.0694047180915E+15

Sphere

Radius = n
Volume 2.6307340380449E+22
Surface area 4.2776188723661E+15
Circumference 115924699.80242

Square

Length = n
Perimeter 73799956
Area 340402094100121
Diagonal 26092224.669434

Cube

Length = n
Surface area 2042412564600726
Volume 6.2804148917242E+21
Space diagonal 31956318.347087

Equilateral Triangle

Length = n
Perimeter 55349967
Area 1.4739843049606E+14
Altitude 15978159.173543

Triangular Pyramid

Length = n
Surface area 1.4739843049606E+14
Volume 7.4015399310053E+20
Height 8697408.2231448