18388974 (number)

18388974 is an even 8-digits composite number following 18388973 and preceding 18388975. In scientific notation, it is written as 1.8388974 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 6120768 positive integers (up to 18388974) that are relatively prime to 18388974.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-eight thousand nine hundred seventy-four

Notation

Scientific notation 1.8388974 × 10^7
Engineering notation 1.8388974 × 10^6

Prime Factorization of 18388974

Prime Factorization 2 × 3 × 853 × 3593

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18388974
Product of the distinct prime numbers

The prime factorization of 18388974 is 2 × 3 × 853 × 3593. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18388974)

Multiplication

n×y
n×2 36777948
n×3 55166922
n×4 73555896
n×5 91944870

Division

n÷y
n÷2 9194487
n÷3 6129658
n÷3 4597243.5
n÷5 3677794.8

Exponentiation

ny
n2 338154364772676
n3 6.2183118217913E+21
n4 1.1434837441481E+29
n5 2.1027492840562E+36

Nth Root

y√n
2√n 4288.2367005565
3√n 263.94848053435
4√n 65.484629498505
5√n 28.373407780558

Divisors of 18388974

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18388973
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18388974 can be divided by 16 positive divisors. The sum of these divisors (counting 18388974) is 1, the average is 0.0625.

Base conversion 18388974

Base System Value
2 Binary 1000110001001011111101110
3 Ternary 1021121020221010
4 Quaternary 1012021133232
5 Quinary 14201421344
6 Senary 1454050050
8 Octal 106113756
10 Decimal 18388974
12 Duodecimal 61a9926
16 Hexadecimal 11897ee
20 Vigesimal 5eic8e
36 Base36 ay50u

Cryptographic Hash Functions

md5 3012eed736fb66389fe0be5f4749401e
sha1 2e5f11bb7a8a46935b4fab127ff5560710552070
sha256 1ed1b91b3bb63b339ab13ca0b75fc04f54b2953eabf0fdbd0b3db137caf28c63
sha512 b04d77e6f9664a2ed073833e5144bff3b03614fe76a54d182bbf4298c5e37b73326f4aa586e88d9c267529d3651fec2d6ca5e3136cc938ad54a8314cc066e4bd
ripemd-160 3bf99fa449a72d9aaf808e7f1d3faf319bdceefb

18388974 as geometric shapes

Circle

Radius = n
Diameter 36777948
Circumference 115541331.25091
Area 1.0623432681492E+15

Sphere

Radius = n
Volume 2.6047203649427E+22
Surface area 4.2493730725966E+15
Circumference 115541331.25091

Square

Length = n
Perimeter 73555896
Area 338154364772676
Diagonal 26005936.428926

Cube

Length = n
Surface area 2028926188636056
Volume 6.2183118217913E+21
Space diagonal 31850637.267063

Equilateral Triangle

Length = n
Perimeter 55166922
Area 1.4642513514686E+14
Altitude 15925318.633532

Triangular Pyramid

Length = n
Surface area 1.4642513514686E+14
Volume 7.3283507612018E+20
Height 8668645.4763087