20185021 is an odd 8-digits composite number following 20185020
and preceding 20185022 . In scientific notation, it is written as 2.0185021 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 19632768 positive integers (up to 20185021) that are relatively prime to 20185021.
20185021 has 8 divisors, whose sum is 20744640
The reverse of 20185021 is 12058102
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred eighty-five thousand twenty-one
Scientific notation
2.0185021 × 10^7
Engineering notation
2.0185021 × 10^6
Prime Factorization
59 × 97 × 3527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20185021
Product of the distinct prime numbers
The prime factorization of 20185021 is 59 × 97 × 3527.
Since it has a total of 3 prime factors.
5 , 9 , 76 , 29 , 466 , 26 , 1328 , 9676 , 60088 , 93469 , 295787 , 180988 , 6833200 , 2159466 , 85703384 , 89413700 , 846183790 , 479688079 , 7418791746 , 3954478841
n×2
40370042
n×3
60555063
n×4
80740084
n×5
100925105
n÷2
10092510.5
n÷3
6728340.3333333
n÷3
5046255.25
n÷5
4037004.2
n2
407435072770441
n3
8.2240855000079E+21
n4
1.6600333852345E+29
n5
3.350780874166E+36
2 √n
4492.7743099337
3 √n
272.27623411282
4 √n
67.028160573998
5 √n
28.907187613022
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
-20185020
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 20185021 can be divided by 8 positive divisors.
The sum of these divisors (counting 20185021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111111110111101
3
Ternary
1101222111122101
4
Quaternary
1030333332331
5
Quinary
20131410041
6
Senary
2000345101
8
Octal
114777675
10
Decimal
20185021
12
Duodecimal
6915191
16
Hexadecimal
133ffbd
20
Vigesimal
6632b1
36
Base36
c0mv1
md5
96bcef230a357bc67b381cd7e9c96e08
sha1
c8832410e09425cd54d2569508d694195f326aba
sha256
da617335b59ca3d17a72f5f09947d7123f3982821d81ca49f172b643054bf326
sha512
bc42ef6241dc151a337e2103e4d942e0fd9e9bc4bb223a962a4ed109ae49fafc01104f2dc3fa0894b087a08136989094159d7d72ac83e0e05ceed0f0047942d9
ripemd-160
a3e30f72a357d6c70312ce15a9edbfa525a8a99c
Diameter
40370042
Circumference
126826227.37231
Area
1.2799950314304E+15
Volume
3.4448968785759E+22
Surface area
5.1199801257218E+15
Circumference
126826227.37231
Perimeter
80740084
Area
407435072770441
Diagonal
28545930.454986
Surface area
2444610436622646
Volume
8.2240855000079E+21
Space diagonal
34961481.923845
Perimeter
60555063
Area
1.7642456170598E+14
Altitude
17480740.961922
Surface area
1.7642456170598E+14
Volume
9.6921777101892E+20
Height
9515310.1516619