20185008 is an even 8-digits composite number following 20185007
and preceding 20185009 . In scientific notation, it is written as 2.0185008 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 6728320 positive integers (up to 20185008) that are relatively prime to 20185008.
20185008 has 20 divisors, whose sum is 52144728
The reverse of 20185008 is 80058102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred eighty-five thousand eight
Scientific notation
2.0185008 × 10^7
Engineering notation
2.0185008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 420521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2523126
Product of the distinct prime numbers
The prime factorization of 20185008 is 2 × 2 × 2 × 2 × 3 × 420521.
Since it has a total of 6 prime factors.
2 , 8 , 12 , 18 , 621 , 512 , 9776 , 8733 , 71548 , 47173 , 589002 , 988729 , 1822821 , 9119593 , 68608900 , 30330447 , 972956104 , 302968198 , 9172344698 , 1422679094
n×2
40370016
n×3
60555024
n×4
80740032
n×5
100925040
n÷2
10092504
n÷3
6728336
n÷3
5046252
n÷5
4037001.6
n2
407434547960064
n3
8.2240696100503E+21
n4
1.6600291087142E+29
n5
3.3507700839629E+36
2 √n
4492.7728631659
3 √n
272.27617566037
4 √n
67.028149781759
5 √n
28.907183889533
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 420521 , 841042 , 1261563 , 1682084 , 2523126 , 3364168 , 5046252 , 6728336 , 10092504 , 20185008
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20185007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20185008 can be divided by 20 positive divisors.
The sum of these divisors (counting 20185008) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111111111110110000
3
Ternary
1101222111121220
4
Quaternary
1030333332300
5
Quinary
20131410013
6
Senary
2000345040
8
Octal
114777660
10
Decimal
20185008
12
Duodecimal
6915180
16
Hexadecimal
133ffb0
20
Vigesimal
6632a8
36
Base36
c0muo
md5
19d9fe25ab8daaadf8b3f9a7c6959922
sha1
b9145eb46372eafb90f5861ebec6f6f155ebece2
sha256
b50b9e9c5dc8d53a08fcf68fc22b5b207c92005a227d73e11edd608141f3e955
sha512
69dc02a0a4a4638be0ceb8d0c0ea199bda63b411cf93f970154f226c13f0b69ba37a58ac48e76ce268b17918289feb45d4c4151b34a30d3436aaae52e6196c4c
ripemd-160
ab34ad900342d2251841131232aeb8a0e449a416
Diameter
40370016
Circumference
126826145.6909
Area
1.27999338269E+15
Volume
3.444890222606E+22
Surface area
5.1199735307601E+15
Circumference
126826145.6909
Perimeter
80740032
Area
407434547960064
Diagonal
28545912.070209
Surface area
2444607287760384
Volume
8.2240696100503E+21
Space diagonal
34961459.407184
Perimeter
60555024
Area
1.7642433445642E+14
Altitude
17480729.703592
Surface area
1.7642433445642E+14
Volume
9.6921589836946E+20
Height
9515304.0234031