20512139 is an odd 8-digits prime number following 20512138
and preceding 20512140 . In scientific notation, it is written as 2.0512139 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20512138 positive integers (up to 20512139) that are relatively prime to 20512139.
20512139 has 2 divisors, whose sum is 20512140
The reverse of 20512139 is 93121502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million five hundred twelve thousand one hundred thirty-nine
Scientific notation
2.0512139 × 10^7
Engineering notation
2.0512139 × 10^6
Prime Factorization
20512139
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20512139
Product of the distinct prime numbers
The prime factorization of 20512139 is 20512139.
Since it has a total of 1 prime factors.
2 , 2 , 27 , 27 , 56 , 418 , 3371 , 4695 , 47702 , 472 , 194334 , 746346 , 6171683 , 9901181 , 60125313 , 26415535 , 807571121 , 996874176 , 2310921891 , 8953619591
n×2
41024278
n×3
61536417
n×4
82048556
n×5
102560695
n÷2
10256069.5
n÷3
6837379.6666667
n÷3
5128034.75
n÷5
4102427.8
n2
420747846355321
n3
8.630438308391E+21
n4
1.7702875021264E+29
n5
3.631238331358E+36
2 √n
4529.0328989752
3 √n
273.73919364082
4 √n
67.298089861267
5 √n
29.000279939907
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20512140
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10256070
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4529.0330093741
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999024968
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512139 can be divided by 2 positive divisors.
The sum of these divisors (counting 20512139) is 20512140, the average is 10256070.
Base
System
Value
2
Binary
1001110001111110110001011
3
Ternary
1102121010100212
4
Quaternary
1032033312023
5
Quinary
20222342024
6
Senary
2011351335
8
Octal
116176613
10
Decimal
20512139
12
Duodecimal
6a5254b
16
Hexadecimal
138fd8b
20
Vigesimal
68406j
36
Base36
c7n9n
md5
c9bac19d18aa1ffadd8c58bcc63080bf
sha1
51f2830c2852bd99bca658d13fa7b66b2dea5aff
sha256
815f23dc70bbdef32827cda7739da639884d2bb426a45cbcb70d9259b0fbdcf1
sha512
f130004427eafc8ee6012808ed286d45149da712cc2c68e4b890bb67292ab212df4d5df471d8d75d94c24387caf2474a23a548b05e8b5ba556105a95311903bf
ripemd-160
81db70831513457ddbd4f1fbea64b8bc7f9606a6
Diameter
41024278
Circumference
128881570.38363
Area
1.3218183431236E+15
Volume
3.6151095449201E+22
Surface area
5.2872733724944E+15
Circumference
128881570.38363
Perimeter
82048556
Area
420747846355321
Diagonal
29008545.167082
Surface area
2524487078131926
Volume
8.630438308391E+21
Space diagonal
35528066.919915
Perimeter
61536417
Area
1.8218916176565E+14
Altitude
17764033.459958
Surface area
1.8218916176565E+14
Volume
1.0171069087459E+21
Height
9669515.055694