20398949 is an odd 8-digits composite number following 20398948
and preceding 20398950 . In scientific notation, it is written as 2.0398949 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 19938240 positive integers (up to 20398949) that are relatively prime to 20398949.
20398949 has 8 divisors, whose sum is 20863992
The reverse of 20398949 is 94989302
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million three hundred ninety-eight thousand nine hundred forty-nine
Scientific notation
2.0398949 × 10^7
Engineering notation
2.0398949 × 10^6
Prime Factorization
61 × 173 × 1933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20398949
Product of the distinct prime numbers
The prime factorization of 20398949 is 61 × 173 × 1933.
Since it has a total of 3 prime factors.
1 , 4 , 49 , 11 , 21 , 234 , 2678 , 5154 , 29933 , 52061 , 360355 , 572201 , 1865911 , 9787175 , 19431999 , 55014801 , 13489484 , 415702785 , 5882360221 , 5636327930
n×2
40797898
n×3
61196847
n×4
81595796
n×5
101994745
n÷2
10199474.5
n÷3
6799649.6666667
n÷3
5099737.25
n÷5
4079789.8
n2
416117120304601
n3
8.4883519151204E+21
n4
1.7315345781059E+29
n5
3.532148555052E+36
2 √n
4516.5195671003
3 √n
273.23474913257
4 √n
67.205056112619
5 √n
28.968203214493
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20398948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398949 can be divided by 8 positive divisors.
The sum of these divisors (counting 20398949) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110100001101100101
3
Ternary
1102101101002122
4
Quaternary
1031310031211
5
Quinary
20210231244
6
Senary
2005115325
8
Octal
115641545
10
Decimal
20398949
12
Duodecimal
69b8b45
16
Hexadecimal
1374365
20
Vigesimal
679h79
36
Base36
c57xh
md5
7cc0f74345553c1593bee799fe387457
sha1
dda14627d43d48a022e333982c4b1de850fc55d1
sha256
5f096e9ef7abef689fb96a886002b4e31a6946bb89b806e2e68b39e4305145f2
sha512
f1902db40fcd037258bb5267640cfbfb3c90cd9e1de7765259e10f596f54d25ba9c4934ee7d62ef71ff1744c3a17c4a46ad76ef840804df992936d58206cccbd
ripemd-160
c079916c71576eea0c0a618f50fc09c3a5fee67c
Diameter
40797898
Circumference
128170376.63871
Area
1.3072704881819E+15
Volume
3.5555925356836E+22
Surface area
5.2290819527275E+15
Circumference
128170376.63871
Perimeter
81595796
Area
416117120304601
Diagonal
28848470.333957
Surface area
2496702721827606
Volume
8.4883519151204E+21
Space diagonal
35332016.089006
Perimeter
61196847
Area
1.801839985667E+14
Altitude
17666008.044503
Surface area
1.801839985667E+14
Volume
1.0003618667132E+21
Height
9616156.7779857