20198985 is an odd 8-digits composite number following 20198984
and preceding 20198986 . In scientific notation, it is written as 2.0198985 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 10730880 positive integers (up to 20198985) that are relatively prime to 20198985.
20198985 has 16 divisors, whose sum is 32444160
The reverse of 20198985 is 58989102
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred ninety-eight thousand nine hundred eighty-five
Scientific notation
2.0198985 × 10^7
Engineering notation
2.0198985 × 10^6
Prime Factorization
3 × 5 × 271 × 4969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20198985
Product of the distinct prime numbers
The prime factorization of 20198985 is 3 × 5 × 271 × 4969.
Since it has a total of 4 prime factors.
6 , 2 , 71 , 6 , 777 , 169 , 8484 , 1180 , 20575 , 95382 , 616236 , 167784 , 1595883 , 4811763 , 94201172 , 14035848 , 116098923 , 845121675 , 9167065297 , 1339640333
n×2
40397970
n×3
60596955
n×4
80795940
n×5
100994925
n÷2
10099492.5
n÷3
6732995
n÷3
5049746.25
n÷5
4039797
n2
407998995030225
n3
8.2411655806306E+21
n4
1.6646317994567E+29
n5
3.362387274775E+36
2 √n
4494.3280921624
3 √n
272.33900655042
4 √n
67.039750090244
5 √n
28.911186105898
1 , 3 , 5 , 15 , 271 , 813 , 1355 , 4065 , 4969 , 14907 , 24845 , 74535 , 1346599 , 4039797 , 6732995 , 20198985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20198984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20198985 can be divided by 16 positive divisors.
The sum of these divisors (counting 20198985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000011011001001001
3
Ternary
1102000012210120
4
Quaternary
1031003121021
5
Quinary
20132331420
6
Senary
2000533453
8
Octal
115033111
10
Decimal
20198985
12
Duodecimal
6921289
16
Hexadecimal
1343649
20
Vigesimal
664h95
36
Base36
c0xmx
md5
ed64da619f0a4dcd182f5b94dd26d613
sha1
9c978901acade2347ffcb82f137008b1a89eeec0
sha256
19e14d9bbb06705394fa32c77b3924d8604077b9dc988a83ef4b950037e6e18d
sha512
6b1bace1d017c8dcc340a5c9a7477df7b6a5d8b4a973f2ea26fd0041c8faa97cff2e86ef2661d6b0275a051e62adfe36313130d5624ec57f0d83edd9fa656c61
ripemd-160
02ba754b5123a7c90b0a788caeafea52f8c95932
Diameter
40397970
Circumference
126913965.77194
Area
1.281766645459E+15
Volume
3.4520513660168E+22
Surface area
5.1270665818359E+15
Circumference
126913965.77194
Perimeter
80795940
Area
407998995030225
Diagonal
28565678.533171
Surface area
2447993970181350
Volume
8.2411655806306E+21
Space diagonal
34985668.281322
Perimeter
60596955
Area
1.7666874720735E+14
Altitude
17492834.140661
Surface area
1.7666874720735E+14
Volume
9.7123067782418E+20
Height
9521892.8443902