20190391 is an odd 8-digits composite number following 20190390
and preceding 20190392 . In scientific notation, it is written as 2.0190391 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 18637272 positive integers (up to 20190391) that are relatively prime to 20190391.
20190391 has 4 divisors, whose sum is 21743512
The reverse of 20190391 is 19309102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred ninety thousand three hundred ninety-one
Scientific notation
2.0190391 × 10^7
Engineering notation
2.0190391 × 10^6
Prime Factorization
13 × 1553107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20190391
Product of the distinct prime numbers
The prime factorization of 20190391 is 13 × 1553107.
Since it has a total of 2 prime factors.
4 , 1 , 76 , 1 , 812 , 350 , 4137 , 5856 , 67032 , 77743 , 805275 , 342944 , 4422463 , 1753383 , 52713280 , 6572149 , 723638109 , 319773779 , 8752100575 , 734537237
n×2
40380782
n×3
60571173
n×4
80761564
n×5
100951955
n÷2
10095195.5
n÷3
6730130.3333333
n÷3
5047597.75
n÷5
4038078.2
n2
407651888732881
n3
8.2306510254054E+21
n4
1.6618006238749E+29
n5
3.3552404360077E+36
2 √n
4493.3718964715
3 √n
272.30037732502
4 √n
67.032618153191
5 √n
28.908725536426
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
-20190390
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 20190391 can be divided by 4 positive divisors.
The sum of these divisors (counting 20190391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001010010110111
3
Ternary
1101222210000021
4
Quaternary
1031001102313
5
Quinary
20132043031
6
Senary
2000430011
8
Octal
115012267
10
Decimal
20190391
12
Duodecimal
6918307
16
Hexadecimal
13414b7
20
Vigesimal
663fjb
36
Base36
c0r07
md5
a0b23da4daf28a76c4f3fa262abab2df
sha1
c118e8f2393131b3d27b0d4cafc016f099eb6a5c
sha256
1267c012d537314768ff261f36c78905324383c90affb9bf2fdc1029ffadd09f
sha512
2aa89230927d0fa4204e18256c1fe7740d478774d8c6ec7725b38e4bbe84a92be6537f4d45b32fc7fcf478bfe27c9a508cdd6f4702935e1b75789a9199833096
ripemd-160
a76c78d596110cde15db9bac157b089b01435a61
Diameter
40380782
Circumference
126859968.07741
Area
1.2806761788652E+15
Volume
3.4476470394233E+22
Surface area
5.1227047154609E+15
Circumference
126859968.07741
Perimeter
80761564
Area
407651888732881
Diagonal
28553524.781816
Surface area
2445911332397286
Volume
8.2306510254054E+21
Space diagonal
34970783.036681
Perimeter
60571173
Area
1.7651844577169E+14
Altitude
17485391.518341
Surface area
1.7651844577169E+14
Volume
9.6999152560736E+20
Height
9517841.5939386