20139855 is an odd 8-digits composite number following 20139854
and preceding 20139856 . In scientific notation, it is written as 2.0139855 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 10741248 positive integers (up to 20139855) that are relatively prime to 20139855.
20139855 has 8 divisors, whose sum is 32223792
The reverse of 20139855 is 55893102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred thirty-nine thousand eight hundred fifty-five
Scientific notation
2.0139855 × 10^7
Engineering notation
2.0139855 × 10^6
Prime Factorization
3 × 5 × 1342657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139855
Product of the distinct prime numbers
The prime factorization of 20139855 is 3 × 5 × 1342657.
Since it has a total of 3 prime factors.
1 , 10 , 4 , 70 , 666 , 836 , 6775 , 4227 , 89810 , 5227 , 811524 , 870202 , 9415494 , 1303843 , 46337024 , 84949302 , 645578630 , 343156757 , 4757651127 , 3003217640
n×2
40279710
n×3
60419565
n×4
80559420
n×5
100699275
n÷2
10069927.5
n÷3
6713285
n÷3
5034963.75
n÷5
4027971
n2
405613759421025
n3
8.1690023007443E+21
n4
1.6452252183166E+29
n5
3.3134597339239E+36
2 √n
4487.7449793855
3 √n
272.07300069864
4 √n
66.99063351981
5 √n
28.894239474985
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
-20139854
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 20139855 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139855) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100111101001111
3
Ternary
1101220012200120
4
Quaternary
1030310331033
5
Quinary
20123433410
6
Senary
1555400023
8
Octal
114647517
10
Decimal
20139855
12
Duodecimal
68b3013
16
Hexadecimal
1334f4f
20
Vigesimal
65h9cf
36
Base36
bzo0f
md5
84b5caaf4aa8b3b3c641b38813ac7b00
sha1
41dfc25a9ca5ad3ef27ef00aef477eaeb1192b36
sha256
8d8b5d7821a25d4a2abd11372dcc89b9a944100edf9bd6975e5d3a2524759558
sha512
02cf7e7408b4cfcf70b6423648ba3c3825acd09b336388a07aaf66eec25284a358d6ed9413633310dd45501c6c738e2e73c50d88426d2ed98a6eb9106e1fcb62
ripemd-160
890ed8bf6377bf49979072ac916299ffc82262cc
Diameter
40279710
Circumference
126542441.02473
Area
1.274273206792E+15
Volume
3.4218236820235E+22
Surface area
5.0970928271681E+15
Circumference
126542441.02473
Perimeter
80559420
Area
405613759421025
Diagonal
28482056.085228
Surface area
2433682556526150
Volume
8.1690023007443E+21
Space diagonal
34883252.11707
Perimeter
60419565
Area
1.7563590989156E+14
Altitude
17441626.058535
Surface area
1.7563590989156E+14
Volume
9.627261537308E+20
Height
9494018.6950759