18989997 (number)

18989997 is an odd 8-digits composite number following 18989996 and preceding 18989998. In scientific notation, it is written as 1.8989997 × 10^7. The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors. There are 11686128 positive integers (up to 18989997) that are relatively prime to 18989997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8989997 × 10^7
Engineering notation 1.8989997 × 10^6

Prime Factorization of 18989997

Prime Factorization 3 × 13 × 486923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18989997
Product of the distinct prime numbers

The prime factorization of 18989997 is 3 × 13 × 486923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18989997)

Multiplication

n×y
n×2 37979994
n×3 56969991
n×4 75959988
n×5 94949985

Division

n÷y
n÷2 9494998.5
n÷3 6329999
n÷3 4747499.25
n÷5 3797999.4

Exponentiation

ny
n2 360619986060009
n3 6.8481724534196E+21
n4 1.3004677434592E+29
n5 2.4695878546887E+36

Nth Root

y√n
2√n 4357.751369686
3√n 266.79332854364
4√n 66.013266618809
5√n 28.5565001148

Divisors of 18989997

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 -18989996
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 18989997 can be divided by 8 positive divisors. The sum of these divisors (counting 18989997) is 1, the average is 0.125.

Base conversion 18989997

Base System Value
2 Binary 1001000011100001110101101
3 Ternary 1022201210101020
4 Quaternary 1020130032231
5 Quinary 14330134442
6 Senary 1515004353
8 Octal 110341655
10 Decimal 18989997
12 Duodecimal 64396b9
16 Hexadecimal 121c3ad
20 Vigesimal 5idejh
36 Base36 bb0rx

Cryptographic Hash Functions

md5 e232676baaf097ad7ae136e0047c1079
sha1 89a3f891effa0059787296da05818d366d72921f
sha256 faff9ab402ea34d61563bdc62e8c5b129250c517c9a4e56fea77ecd8781cb405
sha512 a56ff96b967527e9376e27faf6f9d38cf9a750ab91fde1d91fafb10b61008a3b059c69f3d988fc92acc97ba049a826b2df612dd7f60d13520b07b0afc0b8d4b9
ripemd-160 f8c2dc69cb158c8cbace8178e4a916fda6f93b04

18989997 as geometric shapes

Circle

Radius = n
Diameter 37979994
Circumference 119317670.13378
Area 1.1329210989438E+15

Sphere

Radius = n
Volume 2.8685557693572E+22
Surface area 4.5316843957751E+15
Circumference 119317670.13378

Square

Length = n
Perimeter 75959988
Area 360619986060009
Diagonal 26855911.306824

Cube

Length = n
Surface area 2163719916360054
Volume 6.8481724534196E+21
Space diagonal 32891639.639581

Equilateral Triangle

Length = n
Perimeter 56969991
Area 1.5615303452018E+14
Altitude 16445819.81979

Triangular Pyramid

Length = n
Surface area 1.5615303452018E+14
Volume 8.0706486342465E+20
Height 8951970.4356081