18842938 (number)

18842938 is an even 8-digits composite number following 18842937 and preceding 18842939. In scientific notation, it is written as 1.8842938 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 9421468 positive integers (up to 18842938) that are relatively prime to 18842938.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred forty-two thousand nine hundred thirty-eight

Notation

Scientific notation 1.8842938 × 10^7
Engineering notation 1.8842938 × 10^6

Prime Factorization of 18842938

Prime Factorization 2 × 9421469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18842938
Product of the distinct prime numbers

The prime factorization of 18842938 is 2 × 9421469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18842938)

Multiplication

n×y
n×2 37685876
n×3 56528814
n×4 75371752
n×5 94214690

Division

n÷y
n÷2 9421469
n÷3 6280979.3333333
n÷3 4710734.5
n÷5 3768587.6

Exponentiation

ny
n2 355056312471844
n3 6.6903040824156E+21
n4 1.260649850261E+29
n5 2.3754346968178E+36

Nth Root

y√n
2√n 4340.8453093839
3√n 266.10285844397
4√n 65.885091708093
5√n 28.512134025594

Divisors of 18842938

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 -18842937
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 18842938 can be divided by 4 positive divisors. The sum of these divisors (counting 18842938) is 1, the average is 0.25.

Base conversion 18842938

Base System Value
2 Binary 1000111111000010100111010
3 Ternary 1022110022122121
4 Quaternary 1013320110322
5 Quinary 14310433223
6 Senary 1511511454
8 Octal 107702472
10 Decimal 18842938
12 Duodecimal 638858a
16 Hexadecimal 11f853a
20 Vigesimal 5hf76i
36 Base36 b7vay

Cryptographic Hash Functions

md5 0518b92b73f880d2d01d603885911933
sha1 27349608e96bd90aa4c16c6e5b9ff484b8e0bda4
sha256 9ccc1b2dc0097b3cd609a4fa10296264c38c9e208cddde25c34c4066ba3ec75f
sha512 9e5e8a8d3ed20f6a774cdc759afdc3dcae1105ed84aaa737817044cea05247cf068d032b96328bd1c96fd55ab360ff1c2ea3eb44f034b34df14ead01a6d40002
ripemd-160 f11b958f77afc77765e81dd80f4d425673854de6

18842938 as geometric shapes

Circle

Radius = n
Diameter 37685876
Circumference 118393671.1857
Area 1.1154423028722E+15

Sphere

Radius = n
Volume 2.8024280207465E+22
Surface area 4.4617692114889E+15
Circumference 118393671.1857

Square

Length = n
Perimeter 75371752
Area 355056312471844
Diagonal 26647938.474555

Cube

Length = n
Surface area 2130337874831064
Volume 6.6903040824156E+21
Space diagonal 32636925.97987

Equilateral Triangle

Length = n
Perimeter 56528814
Area 1.5374389318732E+14
Altitude 16318462.989935

Triangular Pyramid

Length = n
Surface area 1.5374389318732E+14
Volume 7.8845989747935E+20
Height 8882646.1581851