18185972 (number)

18185972 is an even 8-digits composite number following 18185971 and preceding 18185973. In scientific notation, it is written as 1.8185972 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 7793976 positive integers (up to 18185972) that are relatively prime to 18185972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8185972 × 10^7
Engineering notation 1.8185972 × 10^6

Prime Factorization of 18185972

Prime Factorization 2 × 2 × 7 × 649499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9092986
Product of the distinct prime numbers

The prime factorization of 18185972 is 2 × 2 × 7 × 649499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 20, 51, 328, 865, 9724, 2474, 67507, 85305, 327756, 494757, 8154981, 461536, 46374057, 34486789, 70265910, 635986760, 8384960399, 765698918

Basic calculations (n = 18185972)

Multiplication

n×y
n×2 36371944
n×3 54557916
n×4 72743888
n×5 90929860

Division

n÷y
n÷2 9092986
n÷3 6061990.6666667
n÷3 4546493
n÷5 3637194.4

Exponentiation

ny
n2 330729577584784
n3 6.0146388375287E+21
n4 1.0938205348941E+29
n5 1.9892189620609E+36

Nth Root

y√n
2√n 4264.5013776525
3√n 262.97361270052
4√n 65.303149829487
5√n 28.310484614738

Divisors of 18185972

1, 2, 4, 7, 14, 28, 649499, 1298998, 2597996, 4546493, 9092986, 18185972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18185971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18185972 can be divided by 12 positive divisors. The sum of these divisors (counting 18185972) is 1, the average is 0.083333333333333.

Base conversion 18185972

Base System Value
2 Binary 1000101010111111011110100
3 Ternary 1021012221110112
4 Quaternary 1011113323310
5 Quinary 14123422342
6 Senary 1445442152
8 Octal 105277364
10 Decimal 18185972
12 Duodecimal 6110358
16 Hexadecimal 1157ef4
20 Vigesimal 5dd4ic
36 Base36 atsdw

Cryptographic Hash Functions

md5 631a26f54f68a4f0cbc81fc17d7e70bb
sha1 1ac71292d1e1dbd4a5bbad0df99e81b94424347f
sha256 7bd44a07d2263da568e8eb989bd882b181e6d4a423bbf435005b9a945ddaae09
sha512 a1087540b76dbe09270bdcc69025b54a8222f30be1a569dd343652bf8c2edbd0b2b482acd01516252eea1ef39fc4a438d23e345a9efba70927dc5c2c18a280bb
ripemd-160 8358843f83d8e99478306a894762be178a4a7a82

18185972 as geometric shapes

Circle

Radius = n
Diameter 36371944
Circumference 114265832.06718
Area 1.0390176112652E+15

Sphere

Radius = n
Volume 2.5194060247968E+22
Surface area 4.1560704450609E+15
Circumference 114265832.06718

Square

Length = n
Perimeter 72743888
Area 330729577584784
Diagonal 25718848.247337

Cube

Length = n
Surface area 1984377465508704
Volume 6.0146388375287E+21
Space diagonal 31499027.489025

Equilateral Triangle

Length = n
Perimeter 54557916
Area 1.4321010798566E+14
Altitude 15749513.744512

Triangular Pyramid

Length = n
Surface area 1.4321010798566E+14
Volume 7.0883198473409E+20
Height 8572949.4157791