18406938 (number)

18406938 is an even 8-digits composite number following 18406937 and preceding 18406939. In scientific notation, it is written as 1.8406938 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 64 positive divisors. There are 5261760 positive integers (up to 18406938) that are relatively prime to 18406938.

Interesting facts

Basic properties

Name

Name eighteen million four hundred six thousand nine hundred thirty-eight

Notation

Scientific notation 1.8406938 × 10^7
Engineering notation 1.8406938 × 10^6

Prime Factorization of 18406938

Prime Factorization 2 × 3 × 11 × 163 × 29 × 59

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 18406938
Product of the distinct prime numbers

The prime factorization of 18406938 is 2 × 3 × 11 × 163 × 29 × 59. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18406938)

Multiplication

n×y
n×2 36813876
n×3 55220814
n×4 73627752
n×5 92034690

Division

n÷y
n÷2 9203469
n÷3 6135646
n÷3 4601734.5
n÷5 3681387.6

Exponentiation

ny
n2 338815366535844
n3 6.2365534452726E+21
n4 1.1479585260082E+29
n5 2.1130401414804E+36

Nth Root

y√n
2√n 4290.3307564802
3√n 264.03440208249
4√n 65.50061645878
5√n 28.378949153838

Divisors of 18406938

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18406937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18406938 can be divided by 64 positive divisors. The sum of these divisors (counting 18406938) is 1, the average is 0.015625.

Base conversion 18406938

Base System Value
2 Binary 1000110001101111000011010
3 Ternary 1021122011120110
4 Quaternary 1012031320122
5 Quinary 14203010223
6 Senary 1454305150
8 Octal 106157032
10 Decimal 18406938
12 Duodecimal 61b81b6
16 Hexadecimal 118de1a
20 Vigesimal 5f0h6i
36 Base36 ayivu

Cryptographic Hash Functions

md5 d409488be0d85d5472265536e503989f
sha1 38e22108ae53bab1385dc055867b703c146eec4c
sha256 ca89b858b463aa293490e4e1beb03ce2e48a586eec71ec339fc3378ccb3e95a2
sha512 96d4e0270c65817cabb5a39f4dfd2f9d45fdd879254e05731f9dfea7a8e401338db843ba2af71d12cd776751bb689d5035dcd9487cbb07a3048f9dfa0b3c75c8
ripemd-160 66e6eded08221c679b36b963ce643390002d2541

18406938 as geometric shapes

Circle

Radius = n
Diameter 36813876
Circumference 115654202.39177
Area 1.0644198664323E+15

Sphere

Radius = n
Volume 2.6123613983184E+22
Surface area 4.2576794657294E+15
Circumference 115654202.39177

Square

Length = n
Perimeter 73627752
Area 338815366535844
Diagonal 26031341.361361

Cube

Length = n
Surface area 2032892199215064
Volume 6.2365534452726E+21
Space diagonal 31881751.82777

Equilateral Triangle

Length = n
Perimeter 55220814
Area 1.4671135730629E+14
Altitude 15940875.913885

Triangular Pyramid

Length = n
Surface area 1.4671135730629E+14
Volume 7.3498487206409E+20
Height 8677113.7871202