20187982 is an even 8-digits composite number following 20187981
and preceding 20187983 . In scientific notation, it is written as 2.0187982 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 10085592 positive integers (up to 20187982) that are relatively prime to 20187982.
20187982 has 8 divisors, whose sum is 30307176
The reverse of 20187982 is 28978102
Previous prime number is 1453
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-seven thousand nine hundred eighty-two
Scientific notation
2.0187982 × 10^7
Engineering notation
2.0187982 × 10^6
Prime Factorization
2 × 1453 × 6947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20187982
Product of the distinct prime numbers
The prime factorization of 20187982 is 2 × 1453 × 6947.
Since it has a total of 3 prime factors.
2 , 4 , 30 , 35 , 426 , 746 , 6126 , 7661 , 95083 , 33638 , 314420 , 728638 , 6012734 , 4805023 , 26491818 , 32408327 , 154866960 , 147329585 , 9628634648 , 6223149679
n×2
40375964
n×3
60563946
n×4
80751928
n×5
100939910
n÷2
10093991
n÷3
6729327.3333333
n÷3
5046995.5
n÷5
4037596.4
n2
407554617232324
n3
8.227705276703E+21
n4
1.6610076602739E+29
n5
3.3532392747471E+36
2 √n
4493.1038269775
3 √n
272.28954712863
4 √n
67.03061857821
5 √n
28.908035659309
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
-20187981
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 20187982 can be divided by 8 positive divisors.
The sum of these divisors (counting 20187982) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000101101001110
3
Ternary
1101222122201001
4
Quaternary
1031000231032
5
Quinary
20132003412
6
Senary
2000410514
8
Octal
115005516
10
Decimal
20187982
12
Duodecimal
6916a3a
16
Hexadecimal
1340b4e
20
Vigesimal
6639j2
36
Base36
c0p5a
md5
0f4103d59821973cf4f3110c3bd32966
sha1
eb4064ed7c7c9e042f50e9e004a9dbfe718c4403
sha256
e314dc4061c3ec3c3b81d9f23fc807cba2ec7d36ca853c2b27d15f3d70509864
sha512
1979090cbffb71165f785020ac3b02a488c470d13b2f1fe22506cd8dda54c7ca6f87140569525460805aad9eb048faceefbfe62b152ecbac4b08b437a1c9b6c4
ripemd-160
fceafc2a1ebb554411703dbfd17ade5d6d83721b
Diameter
40375964
Circumference
126844831.88401
Area
1.2803705914337E+15
Volume
3.4464131270923E+22
Surface area
5.1214823657347E+15
Circumference
126844831.88401
Perimeter
80751928
Area
407554617232324
Diagonal
28550117.941344
Surface area
2445327703393944
Volume
8.227705276703E+21
Space diagonal
34966610.526286
Perimeter
60563946
Area
1.7647632597642E+14
Altitude
17483305.263143
Surface area
1.7647632597642E+14
Volume
9.6964436579351E+20
Height
9516705.980448