18403989 (number)

18403989 is an odd 8-digits composite number following 18403988 and preceding 18403990. In scientific notation, it is written as 1.8403989 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11623536 positive integers (up to 18403989) that are relatively prime to 18403989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8403989 × 10^7
Engineering notation 1.8403989 × 10^6

Prime Factorization of 18403989

Prime Factorization 3 × 19 × 322877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18403989
Product of the distinct prime numbers

The prime factorization of 18403989 is 3 × 19 × 322877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18403989)

Multiplication

n×y
n×2 36807978
n×3 55211967
n×4 73615956
n×5 92019945

Division

n÷y
n÷2 9201994.5
n÷3 6134663
n÷3 4600997.25
n÷5 3680797.8

Exponentiation

ny
n2 338706811112121
n3 6.2335564259326E+21
n4 1.1472230389374E+29
n5 2.1113480189151E+36

Nth Root

y√n
2√n 4289.9870629176
3√n 264.02030089526
4√n 65.497992815945
5√n 28.378039769726

Divisors of 18403989

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 -18403988
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 18403989 can be divided by 8 positive divisors. The sum of these divisors (counting 18403989) is 1, the average is 0.125.

Base conversion 18403989

Base System Value
2 Binary 1000110001101001010010101
3 Ternary 1021122000112020
4 Quaternary 1012031022111
5 Quinary 14202411424
6 Senary 1454243353
8 Octal 106151225
10 Decimal 18403989
12 Duodecimal 61b6559
16 Hexadecimal 118d295
20 Vigesimal 5f09j9
36 Base36 ayglx

Cryptographic Hash Functions

md5 2edab21f0e3dfa46b8a13a66f9483a67
sha1 95a041598fd28ab5b4723e43d14e0dd46d23785b
sha256 2e2e2cde39fd418078d5edea359087b94e9c1e72668cf40c1411dfd86f312746
sha512 210d0a3be398a7e0d5c3a1ae43a2f6c8a09f84d9047268a12e120100f1891bacf1abb84f117ee7560a91870a815b3d98f056d7b6bc3598e34e1589fcbb3222fb
ripemd-160 6951024d9392631c429e3fc99923f4a336bf482d

18403989 as geometric shapes

Circle

Radius = n
Diameter 36807978
Circumference 115635673.27829
Area 1.0640788295107E+15

Sphere

Radius = n
Volume 2.611106009793E+22
Surface area 4.2563153180427E+15
Circumference 115635673.27829

Square

Length = n
Perimeter 73615956
Area 338706811112121
Diagonal 26027170.845565

Cube

Length = n
Surface area 2032240866672726
Volume 6.2335564259326E+21
Space diagonal 31876644.009939

Equilateral Triangle

Length = n
Perimeter 55211967
Area 1.4666435142896E+14
Altitude 15938322.004969

Triangular Pyramid

Length = n
Surface area 1.4666435142896E+14
Volume 7.3463166994765E+20
Height 8675723.6151884