18804945 (number)

18804945 is an odd 8-digits composite number following 18804944 and preceding 18804946. In scientific notation, it is written as 1.8804945 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10010880 positive integers (up to 18804945) that are relatively prime to 18804945.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred four thousand nine hundred forty-five

Notation

Scientific notation 1.8804945 × 10^7
Engineering notation 1.8804945 × 10^6

Prime Factorization of 18804945

Prime Factorization 15 × 881 × 1423

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18804945
Product of the distinct prime numbers

The prime factorization of 18804945 is 15 × 881 × 1423. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18804945)

Multiplication

n×y
n×2 37609890
n×3 56414835
n×4 75219780
n×5 94024725

Division

n÷y
n÷2 9402472.5
n÷3 6268315
n÷3 4701236.25
n÷5 3760989

Exponentiation

ny
n2 353625956453025
n3 6.6499166616715E+21
n4 1.2505131707732E+29
n5 2.3515831398165E+36

Nth Root

y√n
2√n 4336.4668798458
3√n 265.92389044932
4√n 65.851855553552
5√n 28.5006269428

Divisors of 18804945

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 -18804944
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 18804945 can be divided by 8 positive divisors. The sum of these divisors (counting 18804945) is 1, the average is 0.125.

Base conversion 18804945

Base System Value
2 Binary 1000111101111000011010001
3 Ternary 1022101101112110
4 Quaternary 1013233003101
5 Quinary 14303224240
6 Senary 1511015533
8 Octal 107570321
10 Decimal 18804945
12 Duodecimal 636a5a9
16 Hexadecimal 11ef0d1
20 Vigesimal 5hac75
36 Base36 b71zl

Cryptographic Hash Functions

md5 1be8654728dc429a5a4cb0d5d7d5ba9c
sha1 3c7ca4e81d155103093bc2ac9f72e450829e714c
sha256 835a41199daaa8e8fef111d3148a245f9b29777b9f6b29a47f95d90b81f6d091
sha512 9f9c153683c2e05b226ddadc8f5f417a5c6d56ec3432c04afac0b35680890983610b2bb34b3c400cae3ec23ce6145ead6ba09efac11323821f01df1f5722a231
ripemd-160 905dcc5546dd25f3ea0566723ae6201d63a99321

18804945 as geometric shapes

Circle

Radius = n
Diameter 37609890
Circumference 118154954.12632
Area 1.1109487069115E+15

Sphere

Radius = n
Volume 2.7855105775056E+22
Surface area 4.4437948276459E+15
Circumference 118154954.12632

Square

Length = n
Perimeter 75219780
Area 353625956453025
Diagonal 26594208.25868

Cube

Length = n
Surface area 2121755738718150
Volume 6.6499166616715E+21
Space diagonal 32571120.173538

Equilateral Triangle

Length = n
Perimeter 56414835
Area 1.5312453086294E+14
Altitude 16285560.086769

Triangular Pyramid

Length = n
Surface area 1.5312453086294E+14
Volume 7.8370019429889E+20
Height 8864736.0862267