20198738 is an even 8-digits composite number following 20198737
and preceding 20198739 . In scientific notation, it is written as 2.0198738 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 8205120 positive integers (up to 20198738) that are relatively prime to 20198738.
20198738 has 32 divisors, whose sum is 36460800
The reverse of 20198738 is 83789102
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred ninety-eight thousand seven hundred thirty-eight
Scientific notation
2.0198738 × 10^7
Engineering notation
2.0198738 × 10^6
Prime Factorization
2 × 7 × 23 × 149 × 421
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20198738
Product of the distinct prime numbers
The prime factorization of 20198738 is 2 × 7 × 23 × 149 × 421.
Since it has a total of 5 prime factors.
10 , 6 , 34 , 45 , 430 , 179 , 1966 , 9976 , 80351 , 93451 , 127664 , 624514 , 4170621 , 6843639 , 43133830 , 41084780 , 486211001 , 676421973 , 7341401976 , 2509896201
n×2
40397476
n×3
60596214
n×4
80794952
n×5
100993690
n÷2
10099369
n÷3
6732912.6666667
n÷3
5049684.5
n÷5
4039747.6
n2
407989016792644
n3
8.2408632570722E+21
n4
1.6645503782343E+29
n5
3.3621816977755E+36
2 √n
4494.3006129986
3 √n
272.33789646149
4 √n
67.039545143137
5 √n
28.911115398406
1 , 2 , 7 , 14 , 23 , 46 , 149 , 161 , 298 , 322 , 421 , 842 , 1043 , 2086 , 2947 , 3427 , 5894 , 6854 , 9683 , 19366 , 23989 , 47978 , 62729 , 67781 , 125458 , 135562 , 439103 , 878206 , 1442767 , 2885534 , 10099369 , 20198738
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
-20198737
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 20198738 can be divided by 32 positive divisors.
The sum of these divisors (counting 20198738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000011010101010010
3
Ternary
1102000012110102
4
Quaternary
1031003111102
5
Quinary
20132324423
6
Senary
2000532402
8
Octal
115032522
10
Decimal
20198738
12
Duodecimal
6921102
16
Hexadecimal
1343552
20
Vigesimal
664ggi
36
Base36
c0xg2
md5
8685cdb98623db3f09e1ce22c94ef6bf
sha1
f394a6f67264afcebbb5b6598d85ff813d8f004c
sha256
6ab3ef06b803a4f718b8daf214f9d397fa76708c3dd4f2093b04ef18c4442b94
sha512
a84c19d85daba8013543151e1671cff69aa5470d02d2927126062843c10f8430bc9f084237d2e7af13113551276ecb98de492803a05a0c39af84f631b3ace63f
ripemd-160
b3dae40eab44760081fca748cb78bff02a329a3c
Diameter
40397476
Circumference
126912413.82517
Area
1.2817352979011E+15
Volume
3.4519247290208E+22
Surface area
5.1269411916044E+15
Circumference
126912413.82517
Perimeter
80794952
Area
407989016792644
Diagonal
28565329.222421
Surface area
2447934100755864
Volume
8.2408632570722E+21
Space diagonal
34985240.464772
Perimeter
60596214
Area
1.7666442650373E+14
Altitude
17492620.232386
Surface area
1.7666442650373E+14
Volume
9.7119504865114E+20
Height
9521776.4074736