20398518 is an even 8-digits composite number following 20398517
and preceding 20398519 . In scientific notation, it is written as 2.0398518 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 5764608 positive integers (up to 20398518) that are relatively prime to 20398518.
20398518 has 32 divisors, whose sum is 43206240
The reverse of 20398518 is 81589302
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million three hundred ninety-eight thousand five hundred eighteen
Scientific notation
2.0398518 × 10^7
Engineering notation
2.0398518 × 10^6
Prime Factorization
2 × 3 × 21 × 97 × 1669
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20398518
Product of the distinct prime numbers
The prime factorization of 20398518 is 2 × 3 × 21 × 97 × 1669.
Since it has a total of 5 prime factors.
6 , 8 , 3 , 4 , 742 , 901 , 2890 , 7058 , 85959 , 949 , 674961 , 819262 , 9089578 , 9994174 , 92451426 , 60997345 , 907493988 , 710689294 , 7254847471 , 9741487469
n×2
40797036
n×3
61195554
n×4
81594072
n×5
101992590
n÷2
10199259
n÷3
6799506
n÷3
5099629.5
n÷5
4079703.6
n2
416099536596324
n3
8.4878138870518E+21
n4
1.7313882435568E+29
n5
3.5317754251181E+36
2 √n
4516.4718531172
3 √n
273.23282476862
4 √n
67.204701123636
5 √n
28.968080802293
1 , 2 , 3 , 6 , 21 , 42 , 63 , 97 , 126 , 194 , 291 , 582 , 1669 , 2037 , 3338 , 4074 , 5007 , 6111 , 10014 , 12222 , 35049 , 70098 , 105147 , 161893 , 210294 , 323786 , 485679 , 971358 , 3399753 , 6799506 , 10199259 , 20398518
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20398517
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398518 can be divided by 32 positive divisors.
The sum of these divisors (counting 20398518) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110100000110110110
3
Ternary
1102101100111200
4
Quaternary
1031310012312
5
Quinary
20210223033
6
Senary
2005113330
8
Octal
115640666
10
Decimal
20398518
12
Duodecimal
69b8846
16
Hexadecimal
13741b6
20
Vigesimal
679g5i
36
Base36
c57li
md5
b32f586ded66b5345032d7e20a6c50c5
sha1
bdeb206e1a1d919361b4b29c2d983d494574b9fb
sha256
18fd3de37b62df649bcb64c38fb19f86544cce27b90a9fb472ffc2c3f36680b0
sha512
a43150c29aca164d6165533fb1684fa4a6e0613f24cb8f1a764d06e62cf93aa98ec08527dc8d2334538494802680d0a824c531e3434242e49fdaaf6ca09d6fb4
ripemd-160
d831d6d56e141ad0d588b6fc7bfe1a1765949c35
Diameter
40797036
Circumference
128167668.58584
Area
1.3072152473331E+15
Volume
3.5553671670132E+22
Surface area
5.2288609893325E+15
Circumference
128167668.58584
Perimeter
81594072
Area
416099536596324
Diagonal
28847860.807912
Surface area
2496597219577944
Volume
8.4878138870518E+21
Space diagonal
35331269.575108
Perimeter
61195554
Area
1.8017638459767E+14
Altitude
17665634.787554
Surface area
1.8017638459767E+14
Volume
1.0002984594973E+21
Height
9615953.6026372