18188972 (number)

18188972 is an even 8-digits composite number following 18188971 and preceding 18188973. In scientific notation, it is written as 1.8188972 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 8892288 positive integers (up to 18188972) that are relatively prime to 18188972.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty-eight thousand nine hundred seventy-two

Notation

Scientific notation 1.8188972 × 10^7
Engineering notation 1.8188972 × 10^6

Prime Factorization of 18188972

Prime Factorization 2 × 2 × 73 × 167 × 373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9094486
Product of the distinct prime numbers

The prime factorization of 18188972 is 2 × 2 × 73 × 167 × 373. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 66, 67, 558, 39, 6707, 5204, 8542, 20168, 890726, 874841, 5699744, 5392426, 77400504, 92775716, 160535296, 840853846, 3701397137, 7566310817

Basic calculations (n = 18188972)

Multiplication

n×y
n×2 36377944
n×3 54566916
n×4 72755888
n×5 90944860

Division

n÷y
n÷2 9094486
n÷3 6062990.6666667
n÷3 4547243
n÷5 3637794.4

Exponentiation

ny
n2 330838702416784
n3 6.0176158947752E+21
n4 1.0945424701682E+29
n5 1.99086023427E+36

Nth Root

y√n
2√n 4264.8531041526
3√n 262.98807215057
4√n 65.305842802559
5√n 28.311418585716

Divisors of 18188972

1, 2, 4, 73, 146, 167, 292, 334, 373, 668, 746, 1492, 12191, 24382, 27229, 48764, 54458, 62291, 108916, 124582, 249164, 4547243, 9094486, 18188972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18188971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18188972 can be divided by 24 positive divisors. The sum of these divisors (counting 18188972) is 1, the average is 0.041666666666667.

Base conversion 18188972

Base System Value
2 Binary 1000101011000101010101100
3 Ternary 1021020002120122
4 Quaternary 1011120222230
5 Quinary 14124021342
6 Senary 1445504112
8 Octal 105305254
10 Decimal 18188972
12 Duodecimal 6112038
16 Hexadecimal 1158aac
20 Vigesimal 5ddc8c
36 Base36 atup8

Cryptographic Hash Functions

md5 75590eee9a3f0b56a6620ee5e4e6bdb3
sha1 6587caab0d74cd437ad2957b6030aa0126c3dffc
sha256 0fe225435ef4e72744a3bb3973ca1875109b0f3517abd2ebe733c2b86d2d9e1f
sha512 66bc37f398e0d2a5dc13a1aeeadb81f5a639138ff35d4744b40d26d6424139b325088824b0adf63234ba0caee42c0b51ebb064009cc1c4ae60b4b16188aa030b
ripemd-160 c1e7acb1a6f5d56f0cc42013577bf052c9246dc4

18188972 as geometric shapes

Circle

Radius = n
Diameter 36377944
Circumference 114284681.6231
Area 1.0393604370357E+15

Sphere

Radius = n
Volume 2.5206530516201E+22
Surface area 4.157441748143E+15
Circumference 114284681.6231

Square

Length = n
Perimeter 72755888
Area 330838702416784
Diagonal 25723090.888024

Cube

Length = n
Surface area 1985032214500704
Volume 6.0176158947752E+21
Space diagonal 31504223.641448

Equilateral Triangle

Length = n
Perimeter 54566916
Area 1.4325736042401E+14
Altitude 15752111.820724

Triangular Pyramid

Length = n
Surface area 1.4325736042401E+14
Volume 7.0918283429525E+20
Height 8574363.6293415