18389907 (number)

18389907 is an odd 8-digits composite number following 18389906 and preceding 18389908. In scientific notation, it is written as 1.8389907 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 12259932 positive integers (up to 18389907) that are relatively prime to 18389907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389907 × 10^7
Engineering notation 1.8389907 × 10^6

Prime Factorization of 18389907

Prime Factorization 9 × 2043323

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18389907
Product of the distinct prime numbers

The prime factorization of 18389907 is 9 × 2043323. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389907)

Multiplication

n×y
n×2 36779814
n×3 55169721
n×4 73559628
n×5 91949535

Division

n÷y
n÷2 9194953.5
n÷3 6129969
n÷3 4597476.75
n÷5 3677981.4

Exponentiation

ny
n2 338188679468649
n3 6.2192583638813E+21
n4 1.1437158292075E+29
n5 2.1032827733554E+36

Nth Root

y√n
2√n 4288.3454851493
3√n 263.95294443697
4√n 65.485460104891
5√n 28.37369569061

Divisors of 18389907

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18389906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389907 can be divided by 4 positive divisors. The sum of these divisors (counting 18389907) is 1, the average is 0.25.

Base conversion 18389907

Base System Value
2 Binary 1000110001001101110010011
3 Ternary 1021121022012200
4 Quaternary 1012021232103
5 Quinary 14201434112
6 Senary 1454054243
8 Octal 106115623
10 Decimal 18389907
12 Duodecimal 61aa383
16 Hexadecimal 1189b93
20 Vigesimal 5eief7
36 Base36 ay5qr

Cryptographic Hash Functions

md5 e41e0f79db62fa797b4148303b72c7e0
sha1 c8a598f31e8fb6c7c868533559942c9748c576a3
sha256 c1e0ca81e2f716e650aa45a47868074ee97e7a34a94e8257d50ad741aa166034
sha512 9166f6f917e95e2251968c83324bdef01fa201b9d4c4d46862d3a18af7dcf85885d36da35dd20db0611f2e41c6caeae71f48cd345942ab5715b9cf337f3cdedc
ripemd-160 3dd81787bfa8a67fbd07f3baf9895dded970a64e

18389907 as geometric shapes

Circle

Radius = n
Diameter 36779814
Circumference 115547193.4628
Area 1.0624510709459E+15

Sphere

Radius = n
Volume 2.6051168515662E+22
Surface area 4.2498042837838E+15
Circumference 115547193.4628

Square

Length = n
Perimeter 73559628
Area 338188679468649
Diagonal 26007255.89018

Cube

Length = n
Surface area 2029132076811894
Volume 6.2192583638813E+21
Space diagonal 31852253.270467

Equilateral Triangle

Length = n
Perimeter 55169721
Area 1.4643999384608E+14
Altitude 15926126.635233

Triangular Pyramid

Length = n
Surface area 1.4643999384608E+14
Volume 7.3294662717527E+20
Height 8669085.2967266