20397557 is an odd 8-digits composite number following 20397556
and preceding 20397558 . In scientific notation, it is written as 2.0397557 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20331660 positive integers (up to 20397557) that are relatively prime to 20397557.
20397557 has 4 divisors, whose sum is 20463456
The reverse of 20397557 is 75579302
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred ninety-seven thousand five hundred fifty-seven
Scientific notation
2.0397557 × 10^7
Engineering notation
2.0397557 × 10^6
Prime Factorization
311 × 65587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20397557
Product of the distinct prime numbers
The prime factorization of 20397557 is 311 × 65587.
Since it has a total of 2 prime factors.
8 , 5 , 97 , 11 , 959 , 249 , 6642 , 2040 , 63960 , 28941 , 179020 , 638846 , 7745194 , 2414368 , 40273175 , 7528825 , 730604619 , 600956671 , 5908960839 , 9669770776
n×2
40795114
n×3
61192671
n×4
81590228
n×5
101987785
n÷2
10198778.5
n÷3
6799185.6666667
n÷3
5099389.25
n÷5
4079511.4
n2
416060331568249
n3
8.4866143286023E+21
n4
1.7310619950468E+29
n5
3.5309435714501E+36
2 √n
4516.3654635116
3 √n
273.22853391984
4 √n
67.20390958502
5 √n
28.96780785256
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
-20397556
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 20397557 can be divided by 4 positive divisors.
The sum of these divisors (counting 20397557) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110011110111110101
3
Ternary
1102101022012002
4
Quaternary
1031303313311
5
Quinary
20210210212
6
Senary
2005105045
8
Octal
115636765
10
Decimal
20397557
12
Duodecimal
69b8185
16
Hexadecimal
1373df5
20
Vigesimal
679dhh
36
Base36
c56ut
md5
b5a80597a670c7442f4b1031fdbe2101
sha1
8e82f06e3bb023d793b1aaff1ddd35a71b156001
sha256
f4290002f7974aee563dc7c0c34e0dd2f52e4b5fb1d4edd98836f3c8f5ffd64e
sha512
dcb4c520dde3cffb8fa72bf1bf75efd035a165fceaf159bc213bd78b12b035cf1165fcf7c743d2a2976e307ec0972b47a76154c7f378385ec6e7042207717f98
ripemd-160
a93110e5b3f0b66ce73b5410794da2f786312f78
Diameter
40795114
Circumference
128161630.44476
Area
1.3070920811049E+15
Volume
3.5548646971449E+22
Surface area
5.2283683244198E+15
Circumference
128161630.44476
Perimeter
81590228
Area
416060331568249
Diagonal
28846501.748678
Surface area
2496361989409494
Volume
8.4866143286023E+21
Space diagonal
35329605.074282
Perimeter
61192671
Area
1.8015940832254E+14
Altitude
17664802.537141
Surface area
1.8015940832254E+14
Volume
1.0001570901783E+21
Height
9615500.5828928