20198487 is an odd 8-digits composite number following 20198486
and preceding 20198488 . In scientific notation, it is written as 2.0198487 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13406400 positive integers (up to 20198487) that are relatively prime to 20198487.
20198487 has 8 divisors, whose sum is 27049840
The reverse of 20198487 is 78489102
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred ninety-eight thousand four hundred eighty-seven
Scientific notation
2.0198487 × 10^7
Engineering notation
2.0198487 × 10^6
Prime Factorization
3 × 229 × 29401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20198487
Product of the distinct prime numbers
The prime factorization of 20198487 is 3 × 229 × 29401.
Since it has a total of 3 prime factors.
1 , 9 , 31 , 10 , 613 , 415 , 8540 , 7415 , 61931 , 41947 , 852322 , 123017 , 6821228 , 7515418 , 2883238 , 51801817 , 488689520 , 929792470 , 8778293922 , 8015733658
n×2
40396974
n×3
60595461
n×4
80793948
n×5
100992435
n÷2
10099243.5
n÷3
6732829
n÷3
5049621.75
n÷5
4039697.4
n2
407978877089169
n3
8.2405560451602E+21
n4
1.6644676415094E+29
n5
3.3619728018948E+36
2 √n
4494.2726886561
3 √n
272.33676838615
4 √n
67.039336875122
5 √n
28.911043545144
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
-20198486
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 20198487 can be divided by 8 positive divisors.
The sum of these divisors (counting 20198487) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000011010001010111
3
Ternary
1102000012010010
4
Quaternary
1031003101113
5
Quinary
20132322422
6
Senary
2000531303
8
Octal
115032127
10
Decimal
20198487
12
Duodecimal
6920b33
16
Hexadecimal
1343457
20
Vigesimal
664g47
36
Base36
c0x93
md5
900b838b8a442ab64144e4b354eefdfe
sha1
23972b57732ced38f0e2554f393b818358c413ca
sha256
6cead58740bbead8731f7e67ccebb00a8e19e73304f23c301abd240adb8ba662
sha512
7c7b478663022be38d05b5ef1d81b636ef48f2fad0d0dbe97f16955bc9cb569bb6999e59db02ad1d1be1340e03d526dfaf9e7b74c510ed80590eeefaeb3f0a0c
ripemd-160
5f87250839c7107b8ecadf27c9620e6f86666066
Diameter
40396974
Circumference
126910836.74566
Area
1.2817034430831E+15
Volume
3.451796044396E+22
Surface area
5.1268137723326E+15
Circumference
126910836.74566
Perimeter
80793948
Area
407978877089169
Diagonal
28564974.254817
Surface area
2447873262535014
Volume
8.2405560451602E+21
Space diagonal
34984805.720019
Perimeter
60595461
Area
1.7666003588333E+14
Altitude
17492402.86001
Surface area
1.7666003588333E+14
Volume
9.7115884338009E+20
Height
9521658.0849389