18994025 is an odd 8-digits composite number following 18994024
and preceding 18994026 . In scientific notation, it is written as 1.8994025 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 15122640 positive integers (up to 18994025) that are relatively prime to 18994025.
18994025 has 12 divisors, whose sum is 23665152
The reverse of 18994025 is 52049981
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million nine hundred ninety-four thousand twenty-five
Scientific notation
1.8994025 × 10^7
Engineering notation
1.8994025 × 10^6
Prime Factorization
5 × 5 × 223 × 3407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3798805
Product of the distinct prime numbers
The prime factorization of 18994025 is 5 × 5 × 223 × 3407.
Since it has a total of 4 prime factors.
3 , 4 , 87 , 17 , 155 , 219 , 7093 , 9236 , 85869 , 86959 , 489898 , 187704 , 8815114 , 1744980 , 84367161 , 88521671 , 889449763 , 884125172 , 6430171537 , 4603064952
n×2
37988050
n×3
56982075
n×4
75976100
n×5
94970125
n÷2
9497012.5
n÷3
6331341.6666667
n÷3
4748506.25
n÷5
3798805
n2
360772985700625
n3
6.8525311097223E+21
n4
1.3015714721134E+29
n5
2.4722081080609E+36
2 √n
4358.2135101438
3 √n
266.81219053634
4 √n
66.01676688648
5 √n
28.557711445422
1 , 5 , 25 , 223 , 1115 , 3407 , 5575 , 17035 , 85175 , 759761 , 3798805 , 18994025
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
-18994024
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 18994025 can be divided by 12 positive divisors.
The sum of these divisors (counting 18994025) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011101001101101001
3
Ternary
1022201222220102
4
Quaternary
1020131031221
5
Quinary
14330302100
6
Senary
1515035145
8
Octal
110351551
10
Decimal
18994025
12
Duodecimal
643bab5
16
Hexadecimal
121d369
20
Vigesimal
5ie515
36
Base36
bb3vt
md5
4378211c50403b874ca57105f617c88e
sha1
045a87d353e5e8b39901ee80379700f58314c948
sha256
dc2de380ba8c798ffe1c47b7c1897bf6c0804717d70c21c40446181ee76b3c89
sha512
2ef475abd3ab556df1c77a8c75420d0b70d890fb58431afe4d08d87ba8b1c00e35bdadeb6738a821bf4421c5827b9fe6d1940bf83c84f8719ec70089eeaae6e1
ripemd-160
7333b2b48e4fb443d6b0c804950e8a84920afd31
Diameter
37988050
Circumference
119342978.8042
Area
1.1334017614907E+15
Volume
2.8703815190399E+22
Surface area
4.533607045963E+15
Circumference
119342978.8042
Perimeter
75976100
Area
360772985700625
Diagonal
26861607.759054
Surface area
2164637914203750
Volume
6.8525311097223E+21
Space diagonal
32898616.340233
Perimeter
56982075
Area
1.5621928530795E+14
Altitude
16449308.170117
Surface area
1.5621928530795E+14
Volume
8.0757853599607E+20
Height
8953869.2530179