20021185 is an odd 8-digits composite number following 20021184
and preceding 20021186 . In scientific notation, it is written as 2.0021185 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 16016944 positive integers (up to 20021185) that are relatively prime to 20021185.
20021185 has 4 divisors, whose sum is 24025428
The reverse of 20021185 is 58112002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million twenty-one thousand one hundred eighty-five
Scientific notation
2.0021185 × 10^7
Engineering notation
2.0021185 × 10^6
Prime Factorization
5 × 4004237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20021185
Product of the distinct prime numbers
The prime factorization of 20021185 is 5 × 4004237.
Since it has a total of 2 prime factors.
6 , 2 , 16 , 80 , 507 , 88 , 9187 , 3498 , 82393 , 60228 , 759924 , 90932 , 2757234 , 4423557 , 60821281 , 77212492 , 134453131 , 171801457 , 8773675163 , 2881397680
n×2
40042370
n×3
60063555
n×4
80084740
n×5
100105925
n÷2
10010592.5
n÷3
6673728.3333333
n÷3
5005296.25
n÷5
4004237
n2
400847848804225
n3
8.0254489377614E+21
n4
1.6067899789097E+29
n5
3.2169839423898E+36
2 √n
4474.5038831137
3 √n
271.53756940134
4 √n
66.891732546808
5 √n
28.860108249331
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
-20021184
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 20021185 can be divided by 4 positive divisors.
The sum of these divisors (counting 20021185) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010111111111000001
3
Ternary
1101200011220101
4
Quaternary
1030113333001
5
Quinary
20111134220
6
Senary
1553042401
8
Octal
114277701
10
Decimal
20021185
12
Duodecimal
6856401
16
Hexadecimal
1317fc1
20
Vigesimal
652cj5
36
Base36
bx4g1
md5
fce2ecdb477d69bc7a25aa490f9605b6
sha1
0072a7a6ff7f22b838c2a4078ab9ddcddf48c27c
sha256
45519c0eaf97497a14e26fb139744ea6a5b42b2f3663fecaab92bcca46fedf0f
sha512
e019403f68e8bbbc61ede99d60c29270632253a5f05a84922b916c1fcdb2875e38e1b996e5819255d75725da69f290ed6f77ba464410db1814ebbec8cf8f2c8e
ripemd-160
fdc2db029ca51e0c8fa9ad7de06d02ceb91f3d41
Diameter
40042370
Circumference
125796815.42432
Area
1.2593006570106E+15
Volume
3.3616921899508E+22
Surface area
5.0372026280425E+15
Circumference
125796815.42432
Perimeter
80084740
Area
400847848804225
Diagonal
28314231.361781
Surface area
2405087092825350
Volume
8.0254489377614E+21
Space diagonal
34677709.647736
Perimeter
60063555
Area
1.735722100584E+14
Altitude
17338854.823868
Surface area
1.735722100584E+14
Volume
9.4580822765958E+20
Height
9438077.1205936