20198457 is an odd 8-digits composite number following 20198456
and preceding 20198458 . In scientific notation, it is written as 2.0198457 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 13465620 positive integers (up to 20198457) that are relatively prime to 20198457.
20198457 has 4 divisors, whose sum is 20946576
The reverse of 20198457 is 75489102
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred ninety-eight thousand four hundred fifty-seven
Scientific notation
2.0198457 × 10^7
Engineering notation
2.0198457 × 10^6
Prime Factorization
27 × 748091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20198457
Product of the distinct prime numbers
The prime factorization of 20198457 is 27 × 748091.
Since it has a total of 2 prime factors.
9 , 6 , 39 , 96 , 961 , 404 , 3261 , 9441 , 24010 , 54133 , 954391 , 17173 , 9109472 , 3680125 , 76175624 , 98271813 , 934882180 , 220046485 , 6847126926 , 7361278026
n×2
40396914
n×3
60595371
n×4
80793828
n×5
100992285
n÷2
10099228.5
n÷3
6732819
n÷3
5049614.25
n÷5
4039691.4
n2
407977665180849
n3
8.2405193271158E+21
n4
1.6644577528642E+29
n5
3.3619478349544E+36
2 √n
4494.2693510737
3 √n
272.3366335558
4 √n
67.039311982401
5 √n
28.911034957057
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
-20198456
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 20198457 can be divided by 4 positive divisors.
The sum of these divisors (counting 20198457) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011010000111001
3
Ternary
1102000012002000
4
Quaternary
1031003100321
5
Quinary
20132322312
6
Senary
2000531213
8
Octal
115032071
10
Decimal
20198457
12
Duodecimal
6920b09
16
Hexadecimal
1343439
20
Vigesimal
664g2h
36
Base36
c0x89
md5
3ef7aca8d4ac180b41d717688389188f
sha1
780154ddb7bc7f99a3fb21c6cfcc7e59fe1784ef
sha256
300e09f9f24a9bafd728b7357bb195fa54eda1e8426e768b5d949986ea822fd7
sha512
c4416fc86399998a1c842916d1906abe6b33688750636e125175e155663a4055c784408a80a8ce7307c44de6545a5a883e8bebd90f06ecc2ccb0c0c2b4419c58
ripemd-160
af480223cd59f1492f2675843c4ec1f0e0684ec0
Diameter
40396914
Circumference
126910648.2501
Area
1.2816996357609E+15
Volume
3.4517806639776E+22
Surface area
5.1267985430435E+15
Circumference
126910648.2501
Perimeter
80793828
Area
407977665180849
Diagonal
28564931.82841
Surface area
2447865991085094
Volume
8.2405193271158E+21
Space diagonal
34984753.758495
Perimeter
60595371
Area
1.7665951111164E+14
Altitude
17492376.879248
Surface area
1.7665951111164E+14
Volume
9.7115451611706E+20
Height
9521643.9428033