20139685 is an odd 8-digits composite number following 20139684
and preceding 20139686 . In scientific notation, it is written as 2.0139685 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 15993600 positive integers (up to 20139685) that are relatively prime to 20139685.
20139685 has 8 divisors, whose sum is 24344856
The reverse of 20139685 is 58693102
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred thirty-nine thousand six hundred eighty-five
Scientific notation
2.0139685 × 10^7
Engineering notation
2.0139685 × 10^6
Prime Factorization
5 × 137 × 29401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139685
Product of the distinct prime numbers
The prime factorization of 20139685 is 5 × 137 × 29401.
Since it has a total of 3 prime factors.
6 , 4 , 17 , 93 , 889 , 137 , 7587 , 1683 , 10817 , 1563 , 627075 , 127002 , 9554120 , 1818183 , 34827960 , 30231989 , 652141709 , 434277365 , 7523299097 , 396141170
n×2
40279370
n×3
60419055
n×4
80558740
n×5
100698425
n÷2
10069842.5
n÷3
6713228.3333333
n÷3
5034921.25
n÷5
4027937
n2
405606911899225
n3
8.1687954394731E+21
n4
1.6451696698043E+29
n5
3.3133198921412E+36
2 √n
4487.7260388754
3 √n
272.07223517607
4 √n
66.990492152808
5 √n
28.894190695713
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
-20139684
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 20139685 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139685) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100111010100101
3
Ternary
1101220012110021
4
Quaternary
1030310322211
5
Quinary
20123432220
6
Senary
1555355141
8
Octal
114647245
10
Decimal
20139685
12
Duodecimal
68b2ab1
16
Hexadecimal
1334ea5
20
Vigesimal
65h945
36
Base36
bznvp
md5
23087f14dabae117511656dc554739a6
sha1
4f535329fcbf86bc67d7986d5b54b1d2644e2906
sha256
d7b00e6598e904dff1eefab1d7b6b26d7351c2ec020e424b032324e7c2347321
sha512
9cc32fcbeeaf0009af31a705f73b17c99ae720dd82c6282f2748a37eff29082a85e9654753e771c41dcac060c1e195d06e3bf5af100c9872f8da305a26915c1e
ripemd-160
8e2d6494812bce92a8fbd71486ca2b019f4dc080
Diameter
40279370
Circumference
126541372.88323
Area
1.2742516946678E+15
Volume
3.4217370321769E+22
Surface area
5.0970067786714E+15
Circumference
126541372.88323
Perimeter
80558740
Area
405606911899225
Diagonal
28481815.668922
Surface area
2433641471395350
Volume
8.1687954394731E+21
Space diagonal
34882957.668433
Perimeter
60419055
Area
1.7563294482764E+14
Altitude
17441478.834216
Surface area
1.7563294482764E+14
Volume
9.627017748962E+20
Height
9493938.5563073