18308972 (number)

18308972 is an even 8-digits composite number following 18308971 and preceding 18308973. In scientific notation, it is written as 1.8308972 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 36 positive divisors. There are 8035200 positive integers (up to 18308972) that are relatively prime to 18308972.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eight thousand nine hundred seventy-two

Notation

Scientific notation 1.8308972 × 10^7
Engineering notation 1.8308972 × 10^6

Prime Factorization of 18308972

Prime Factorization 2 × 2 × 11 × 31 × 31 × 433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 295306
Product of the distinct prime numbers

The prime factorization of 18308972 is 2 × 2 × 11 × 31 × 31 × 433. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 3, 90, 10, 279, 169, 3791, 3440, 19777, 23995, 782111, 16644, 274314, 4885880, 76138408, 59402624, 209566092, 933745263, 76698900, 8179430960

Basic calculations (n = 18308972)

Multiplication

n×y
n×2 36617944
n×3 54926916
n×4 73235888
n×5 91544860

Division

n÷y
n÷2 9154486
n÷3 6102990.6666667
n÷3 4577243
n÷5 3661794.4

Exponentiation

ny
n2 335218455696784
n3 6.1375053192357E+21
n4 1.1237141303974E+29
n5 2.057405054945E+36

Nth Root

y√n
2√n 4278.8984563787
3√n 263.56515113324
4√n 65.413289600651
5√n 28.348676766408

Divisors of 18308972

1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 433, 682, 866, 961, 1364, 1732, 1922, 3844, 4763, 9526, 10571, 13423, 19052, 21142, 26846, 42284, 53692, 147653, 295306, 416113, 590612, 832226, 1664452, 4577243, 9154486, 18308972

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18308971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18308972 can be divided by 36 positive divisors. The sum of these divisors (counting 18308972) is 1, the average is 0.027777777777778.

Base conversion 18308972

Base System Value
2 Binary 1000101110101111101101100
3 Ternary 1021110012012002
4 Quaternary 1011311331230
5 Quinary 14141341342
6 Senary 1452231432
8 Octal 105657554
10 Decimal 18308972
12 Duodecimal 616b578
16 Hexadecimal 1175f6c
20 Vigesimal 5e8c8c
36 Base36 awfak

Cryptographic Hash Functions

md5 061468d4e81cd20224c1f51334f57a67
sha1 4545451899a7f348f08c85a36f849a5c45473965
sha256 47892ef7a8f6e35705da0e139ff2b103bcd6b109cacbb1d16f1309cf7c2a5619
sha512 af706c9f32805be68ac6703905fd0a6644b1149ee0d87148b3fe7b600376475c4ef3697deb653b806f140bde30d4fbf7d2292d8a3717c2dd4d386de9f3dd7088
ripemd-160 8edc128af30e8be8e2838efbd875473ef51bcc69

18308972 as geometric shapes

Circle

Radius = n
Diameter 36617944
Circumference 115038663.85996
Area 1.0531198377647E+15

Sphere

Radius = n
Volume 2.5708722163039E+22
Surface area 4.2124793510589E+15
Circumference 115038663.85996

Square

Length = n
Perimeter 73235888
Area 335218455696784
Diagonal 25892796.515509

Cube

Length = n
Surface area 2011310734180704
Volume 6.1375053192357E+21
Space diagonal 31712069.738356

Equilateral Triangle

Length = n
Perimeter 54926916
Area 1.451538492254E+14
Altitude 15856034.869178

Triangular Pyramid

Length = n
Surface area 1.451538492254E+14
Volume 7.2331193846667E+20
Height 8630932.1718364