18981325 (number)

18981325 is an odd 8-digits composite number following 18981324 and preceding 18981326. In scientific notation, it is written as 1.8981325 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 13200000 positive integers (up to 18981325) that are relatively prime to 18981325.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-one thousand three hundred twenty-five

Notation

Scientific notation 1.8981325 × 10^7
Engineering notation 1.8981325 × 10^6

Prime Factorization of 18981325

Prime Factorization 5 × 11 × 5 × 23 × 3001

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3796265
Product of the distinct prime numbers

The prime factorization of 18981325 is 5 × 11 × 5 × 23 × 3001. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 63, 76, 789, 570, 9290, 8401, 11843, 51230, 136382, 681998, 4752716, 7861942, 74310231, 34289193, 233911918, 19384744, 4515709242, 9440336872

Basic calculations (n = 18981325)

Multiplication

n×y
n×2 37962650
n×3 56943975
n×4 75925300
n×5 94906625

Division

n÷y
n÷2 9490662.5
n÷3 6327108.3333333
n÷3 4745331.25
n÷5 3796265

Exponentiation

ny
n2 360290698755625
n3 6.8387948475576E+21
n4 1.2980938760982E+29
n5 2.4639541742729E+36

Nth Root

y√n
2√n 4356.756247485
3√n 266.75271094872
4√n 66.005728898975
5√n 28.553891507575

Divisors of 18981325

1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3001, 6325, 15005, 33011, 69023, 75025, 165055, 345115, 759253, 825275, 1725575, 3796265, 18981325

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 -18981324
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 18981325 can be divided by 24 positive divisors. The sum of these divisors (counting 18981325) is 1, the average is 0.041666666666667.

Base conversion 18981325

Base System Value
2 Binary 1001000011010000111001101
3 Ternary 1022201100111001
4 Quaternary 1020122013031
5 Quinary 14324400300
6 Senary 1514500301
8 Octal 110320715
10 Decimal 18981325
12 Duodecimal 6434691
16 Hexadecimal 121a1cd
20 Vigesimal 5icd65
36 Base36 bau31

Cryptographic Hash Functions

md5 62e921fcac00ba08937fcc9fbc8f3b1c
sha1 050055cba03223ae05b40d2dabb8cd92a8c785b0
sha256 7d277cee2a4f32e73367d991fe3334f1b6d829fbac7fe485ef15a9a85a6caf3b
sha512 a80a4c6f94add55a5a435a28ac35cd65e2989b0853ec4ce3635bb9617f1c74e4bc3904f9d007a099fbae575c8e5d803a81ea07df7cf613a551e7e74def4ff17f
ripemd-160 95d7ce587932b176c5f4f6221fcc7906493e65c5

18981325 as geometric shapes

Circle

Radius = n
Diameter 37962650
Circumference 119263182.3508
Area 1.1318866123674E+15

Sphere

Radius = n
Volume 2.8646276869993E+22
Surface area 4.5275464494696E+15
Circumference 119263182.3508

Square

Length = n
Perimeter 75925300
Area 360290698755625
Diagonal 26843647.246811

Cube

Length = n
Surface area 2161744192533750
Volume 6.8387948475576E+21
Space diagonal 32876619.294977

Equilateral Triangle

Length = n
Perimeter 56943975
Area 1.5601044893481E+14
Altitude 16438309.647489

Triangular Pyramid

Length = n
Surface area 1.5601044893481E+14
Volume 8.0595970197527E+20
Height 8947882.4156038