18849939 (number)

18849939 is an odd 8-digits composite number following 18849938 and preceding 18849940. In scientific notation, it is written as 1.8849939 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 12554976 positive integers (up to 18849939) that are relatively prime to 18849939.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred forty-nine thousand nine hundred thirty-nine

Notation

Scientific notation 1.8849939 × 10^7
Engineering notation 1.8849939 × 10^6

Prime Factorization of 18849939

Prime Factorization 3 × 1429 × 4397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18849939
Product of the distinct prime numbers

The prime factorization of 18849939 is 3 × 1429 × 4397. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18849939)

Multiplication

n×y
n×2 37699878
n×3 56549817
n×4 75399756
n×5 94249695

Division

n÷y
n÷2 9424969.5
n÷3 6283313
n÷3 4712484.75
n÷5 3769987.8

Exponentiation

ny
n2 355320200303721
n3 6.6977641011929E+21
n4 1.2625244474388E+29
n5 2.3798508820229E+36

Nth Root

y√n
2√n 4341.6516442478
3√n 266.13581076156
4√n 65.891210675232
5√n 28.514252419135

Divisors of 18849939

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18849938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18849939 can be divided by 8 positive divisors. The sum of these divisors (counting 18849939) is 1, the average is 0.125.

Base conversion 18849939

Base System Value
2 Binary 1000111111010000010010011
3 Ternary 1022110200020220
4 Quaternary 1013322002103
5 Quinary 14311144224
6 Senary 1512004123
8 Octal 107720223
10 Decimal 18849939
12 Duodecimal 6390643
16 Hexadecimal 11fa093
20 Vigesimal 5hg4gj
36 Base36 b80pf

Cryptographic Hash Functions

md5 4001bbd5c150ca6bff9a5e67b1cd0812
sha1 261449d08bb0ec2408d91c7a2001a4e8f9d92087
sha256 102873d91f4dee28bb76dac52e6a014d11883e1a165fb874ca0f02eed34b5cd9
sha512 dfda145e39eebc98085a50e585c50026be99bd37d6035957e683af74ade917525d13a3e7f9b9be4ffb96879cd6c7a6b412eccd38ca406e81075158946cbea3aa
ripemd-160 3b498502f307e34c212ad86a21af487dceb095b2

18849939 as geometric shapes

Circle

Radius = n
Diameter 37699878
Circumference 118437659.76603
Area 1.1162713309462E+15

Sphere

Radius = n
Volume 2.8055528661047E+22
Surface area 4.4650853237849E+15
Circumference 118437659.76603

Square

Length = n
Perimeter 75399756
Area 355320200303721
Diagonal 26657839.383706

Cube

Length = n
Surface area 2131921201822326
Volume 6.6977641011929E+21
Space diagonal 32649052.067574

Equilateral Triangle

Length = n
Perimeter 56549817
Area 1.538581599704E+14
Altitude 16324526.033787

Triangular Pyramid

Length = n
Surface area 1.538581599704E+14
Volume 7.8933906912356E+20
Height 8885946.4612352