20188449 is an odd 8-digits composite number following 20188448
and preceding 20188450 . In scientific notation, it is written as 2.0188449 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 13458960 positive integers (up to 20188449) that are relatively prime to 20188449.
20188449 has 4 divisors, whose sum is 22431620
The reverse of 20188449 is 94488102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-eight thousand four hundred forty-nine
Scientific notation
2.0188449 × 10^7
Engineering notation
2.0188449 × 10^6
Prime Factorization
9 × 2243161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20188449
Product of the distinct prime numbers
The prime factorization of 20188449 is 9 × 2243161.
Since it has a total of 2 prime factors.
6 , 1 , 47 , 46 , 237 , 250 , 7120 , 8408 , 62662 , 39786 , 818871 , 923464 , 5107301 , 2314330 , 24405153 , 43689570 , 200941753 , 521037279 , 2282942236 , 647976821
n×2
40376898
n×3
60565347
n×4
80753796
n×5
100942245
n÷2
10094224.5
n÷3
6729483
n÷3
5047112.25
n÷5
4037689.8
n2
407573473025601
n3
8.2282762739302E+21
n4
1.6611613591415E+29
n5
3.3536271379799E+36
2 √n
4493.1557952067
3 √n
272.29164669852
4 √n
67.031006222544
5 √n
28.90816940153
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20188448
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188449 can be divided by 4 positive divisors.
The sum of these divisors (counting 20188449) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000110100100001
3
Ternary
1101222200100100
4
Quaternary
1031000310201
5
Quinary
20132012244
6
Senary
2000413013
8
Octal
115006441
10
Decimal
20188449
12
Duodecimal
6917169
16
Hexadecimal
1340d21
20
Vigesimal
663b29
36
Base36
c0pi9
md5
1f73328353b40e77f85b65b9e92460f6
sha1
81ad5f9f905dae80bb1ad44a2ea73ed9b6a46ddf
sha256
2615e3a8d6dc14cfe6a51d72f831d0e4689bbdd92283145d4ce841d308b2a6d8
sha512
3188e4e2cdaf969f4d9f7e1ecfdbe9f5e7b41799828745070964391bf11d5a32e4b9f272f5c294fac8275a86924dcbed41c00f20ab22f0f7cff727dc760968da
ripemd-160
cb4741fd467e136fa2290cdc34cd8bc26a949b73
Diameter
40376898
Circumference
126847766.13154
Area
1.2804298286553E+15
Volume
3.4466523058515E+22
Surface area
5.1217193146212E+15
Circumference
126847766.13154
Perimeter
80753796
Area
407573473025601
Diagonal
28550778.379078
Surface area
2445440838153606
Volume
8.2282762739302E+21
Space diagonal
34967419.394013
Perimeter
60565347
Area
1.7648449077441E+14
Altitude
17483709.697007
Surface area
1.7648449077441E+14
Volume
9.6971165846207E+20
Height
9516926.1263592