18994803 is an odd 8-digits composite number following 18994802
and preceding 18994804 . In scientific notation, it is written as 1.8994803 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 12111616 positive integers (up to 18994803) that are relatively prime to 18994803.
18994803 has 12 divisors, whose sum is 26477640
The reverse of 18994803 is 30849981
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million nine hundred ninety-four thousand eight hundred three
Scientific notation
1.8994803 × 10^7
Engineering notation
1.8994803 × 10^6
Prime Factorization
3 × 23 × 23 × 11969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
825861
Product of the distinct prime numbers
The prime factorization of 18994803 is 3 × 23 × 23 × 11969.
Since it has a total of 4 prime factors.
8 , 8 , 17 , 51 , 310 , 850 , 3984 , 7266 , 85695 , 63155 , 19246 , 355143 , 9022840 , 9972092 , 44712866 , 50431824 , 153087681 , 251251025 , 3650183109 , 2725070256
n×2
37989606
n×3
56984409
n×4
75979212
n×5
94974015
n÷2
9497401.5
n÷3
6331601
n÷3
4748700.75
n÷5
3798960.6
n2
360802541008809
n3
6.8533731883617E+21
n4
1.3017847359841E+29
n5
2.4727144608426E+36
2 √n
4358.3027659859
3 √n
266.81583338456
4 √n
66.017442891904
5 √n
28.557945387785
1 , 3 , 23 , 69 , 529 , 1587 , 11969 , 35907 , 275287 , 825861 , 6331601 , 18994803
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
-18994802
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 18994803 can be divided by 12 positive divisors.
The sum of these divisors (counting 18994803) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011101011001110011
3
Ternary
1022202000222020
4
Quaternary
1020131121303
5
Quinary
14330313203
6
Senary
1515042523
8
Octal
110353163
10
Decimal
18994803
12
Duodecimal
6440443
16
Hexadecimal
121d673
20
Vigesimal
5ie703
36
Base36
bb4hf
md5
9ab6b4c65fd18cf6d2770e15decdea82
sha1
d2ea56a05d1a5ea039003de150a8830637926606
sha256
b25a7a1b881438aba8d345564c4d1060c844a3f3248e4d30b32466eb6fec9fbc
sha512
806781bfe5a5061f4b6fdcb618a544244361c4546c938948635eb5564573fe852eb35c71227450e39580fae005f001e9e8aef3c9a6a8b915f1c66880e62f2600
ripemd-160
299c0c9cb4cde95a9b8310b6e6b05002ed785c82
Diameter
37989606
Circumference
119347867.12237
Area
1.1334946122298E+15
Volume
2.8707342481155E+22
Surface area
4.5339784489192E+15
Circumference
119347867.12237
Perimeter
75979212
Area
360802541008809
Diagonal
26862708.017205
Surface area
2164815246052854
Volume
6.8533731883617E+21
Space diagonal
32899963.875762
Perimeter
56984409
Area
1.562320831318E+14
Altitude
16449981.937881
Surface area
1.562320831318E+14
Volume
8.0767777591544E+20
Height
8954236.0057351