18497989 (number)

18497989 is an odd 8-digits composite number following 18497988 and preceding 18497990. In scientific notation, it is written as 1.8497989 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 17364480 positive integers (up to 18497989) that are relatively prime to 18497989.

Interesting facts

Basic properties

Name

Name eighteen million four hundred ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation 1.8497989 × 10^7
Engineering notation 1.8497989 × 10^6

Prime Factorization of 18497989

Prime Factorization 17 × 2381 × 457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18497989
Product of the distinct prime numbers

The prime factorization of 18497989 is 17 × 2381 × 457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18497989)

Multiplication

n×y
n×2 36995978
n×3 55493967
n×4 73991956
n×5 92489945

Division

n÷y
n÷2 9248994.5
n÷3 6165996.3333333
n÷3 4624497.25
n÷5 3699597.8

Exponentiation

ny
n2 342175597044121
n3 6.3295604301906E+21
n4 1.170841392125E+29
n5 2.1658211192273E+36

Nth Root

y√n
2√n 4300.9288531665
3√n 264.46904010705
4√n 65.581467299585
5√n 28.406969394826

Divisors of 18497989

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 -18497988
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 18497989 can be divided by 8 positive divisors. The sum of these divisors (counting 18497989) is 1, the average is 0.125.

Base conversion 18497989

Base System Value
2 Binary 1000110100100000111000101
3 Ternary 1021210210110201
4 Quaternary 1012210013011
5 Quinary 14213413424
6 Senary 1500250501
8 Octal 106440705
10 Decimal 18497989
12 Duodecimal 6240a31
16 Hexadecimal 11a41c5
20 Vigesimal 5fc4j9
36 Base36 b0h51

Cryptographic Hash Functions

md5 354bc3934f76d2415e9a3af63431f7ca
sha1 75786d7e024930a4bb98128fe1ae51dc584634c2
sha256 c21edf3a5c5b661fb67cdaf675b7746db0021c7021c8c0d22905c635de9ae802
sha512 58a63416646769de9c44532322ac3e71f6e086e5389c20d5703015bb3f6be95f42c75c0da04c7daf394be7ce3a9df1cfd954dedcac26ef9880d198b6bb5e3765
ripemd-160 3c0d4cd15b99d63652f75f816a456958f3476df8

18497989 as geometric shapes

Circle

Radius = n
Diameter 36995978
Circumference 116226292.69717
Area 1.0749763419115E+15

Sphere

Radius = n
Volume 2.6513200730586E+22
Surface area 4.299905367646E+15
Circumference 116226292.69717

Square

Length = n
Perimeter 73991956
Area 342175597044121
Diagonal 26160106.920428

Cube

Length = n
Surface area 2053053582264726
Volume 6.3295604301906E+21
Space diagonal 32039456.78585

Equilateral Triangle

Length = n
Perimeter 55493967
Area 1.4816637979766E+14
Altitude 16019728.392925

Triangular Pyramid

Length = n
Surface area 1.4816637979766E+14
Volume 7.4594585035297E+20
Height 8720035.6401428