18989908 (number)

18989908 is an even 8-digits composite number following 18989907 and preceding 18989909. In scientific notation, it is written as 1.8989908 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors. There are 8138520 positive integers (up to 18989908) that are relatively prime to 18989908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8989908 × 10^7
Engineering notation 1.8989908 × 10^6

Prime Factorization of 18989908

Prime Factorization 2 × 2 × 7 × 678211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9494954
Product of the distinct prime numbers

The prime factorization of 18989908 is 2 × 2 × 7 × 678211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 90, 24, 929, 791, 4670, 5986, 43724, 8402, 214233, 321744, 5145021, 3298325, 7760718, 47283155, 204744280, 303177279, 407570557, 8121757677

Basic calculations (n = 18989908)

Multiplication

n×y
n×2 37979816
n×3 56969724
n×4 75959632
n×5 94949540

Division

n÷y
n÷2 9494954
n÷3 6329969.3333333
n÷3 4747477
n÷5 3797981.6

Exponentiation

ny
n2 360616605848464
n3 6.8480761683346E+21
n4 1.3004433641367E+29
n5 2.4695299844166E+36

Nth Root

y√n
2√n 4357.7411579854
3√n 266.79291175152
4√n 66.013189272943
5√n 28.556473347726

Divisors of 18989908

1, 2, 4, 7, 14, 28, 678211, 1356422, 2712844, 4747477, 9494954, 18989908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18989907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989908 can be divided by 12 positive divisors. The sum of these divisors (counting 18989908) is 1, the average is 0.083333333333333.

Base conversion 18989908

Base System Value
2 Binary 1001000011100001101010100
3 Ternary 1022201210020221
4 Quaternary 1020130031110
5 Quinary 14330134113
6 Senary 1515004124
8 Octal 110341524
10 Decimal 18989908
12 Duodecimal 6439644
16 Hexadecimal 121c354
20 Vigesimal 5idef8
36 Base36 bb0pg

Cryptographic Hash Functions

md5 447a5cfb99cd2ff0f47584753e5fcfc6
sha1 c4f05dc2217b081cdc47f8a2714eda6abc24d97a
sha256 fc55836ce8627fd31630f7feee561c7d2bc985ae6df07764923ebe8d6fbb8b1f
sha512 5544892aaa1b2aa318a540784e2d79ac7ad7aa5ad19b8ff9af9a5411ff0c95b7b1df873fa3ccd7caacfa39d8e596b790eb8d6d4165148570013b93bb6cbea323
ripemd-160 e811a64e5594166172d8ebb109777d3ad9020dcf

18989908 as geometric shapes

Circle

Radius = n
Diameter 37979816
Circumference 119317110.93029
Area 1.132910479696E+15

Sphere

Radius = n
Volume 2.8685154375551E+22
Surface area 4.5316419187841E+15
Circumference 119317110.93029

Square

Length = n
Perimeter 75959632
Area 360616605848464
Diagonal 26855785.441817

Cube

Length = n
Surface area 2163699635090784
Volume 6.8480761683346E+21
Space diagonal 32891485.487059

Equilateral Triangle

Length = n
Perimeter 56969724
Area 1.5615157084564E+14
Altitude 16445742.743529

Triangular Pyramid

Length = n
Surface area 1.5615157084564E+14
Volume 8.0705351611856E+20
Height 8951928.4806058