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.
18804945 has 8 divisors, whose sum is 20095488
The reverse of 18804945 is 54940881
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million eight hundred four thousand nine hundred forty-five
Scientific notation
1.8804945 × 10^7
Engineering notation
1.8804945 × 10^6
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.
2 , 3 , 39 , 67 , 761 , 527 , 6576 , 4221 , 66161 , 93385 , 622705 , 775644 , 3593246 , 5609397 , 91564952 , 20528868 , 901656558 , 226744911 , 8965336791 , 8309250503
n×2
37609890
n×3
56414835
n×4
75219780
n×5
94024725
n÷2
9402472.5
n÷3
6268315
n÷3
4701236.25
n÷5
3760989
n2
353625956453025
n3
6.6499166616715E+21
n4
1.2505131707732E+29
n5
2.3515831398165E+36
2 √n
4336.4668798458
3 √n
265.92389044932
4 √n
65.851855553552
5 √n
28.5006269428
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
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
md5
1be8654728dc429a5a4cb0d5d7d5ba9c
sha1
3c7ca4e81d155103093bc2ac9f72e450829e714c
sha256
835a41199daaa8e8fef111d3148a245f9b29777b9f6b29a47f95d90b81f6d091
sha512
9f9c153683c2e05b226ddadc8f5f417a5c6d56ec3432c04afac0b35680890983610b2bb34b3c400cae3ec23ce6145ead6ba09efac11323821f01df1f5722a231
ripemd-160
905dcc5546dd25f3ea0566723ae6201d63a99321
Diameter
37609890
Circumference
118154954.12632
Area
1.1109487069115E+15
Volume
2.7855105775056E+22
Surface area
4.4437948276459E+15
Circumference
118154954.12632
Perimeter
75219780
Area
353625956453025
Diagonal
26594208.25868
Surface area
2121755738718150
Volume
6.6499166616715E+21
Space diagonal
32571120.173538
Perimeter
56414835
Area
1.5312453086294E+14
Altitude
16285560.086769
Surface area
1.5312453086294E+14
Volume
7.8370019429889E+20
Height
8864736.0862267