20685025 is an odd 8-digits composite number following 20685024
and preceding 20685026 . In scientific notation, it is written as 2.0685025 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 16511040 positive integers (up to 20685025) that are relatively prime to 20685025.
20685025 has 12 divisors, whose sum is 25706812
The reverse of 20685025 is 52058602
Previous prime number is 757
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six hundred eighty-five thousand twenty-five
Scientific notation
2.0685025 × 10^7
Engineering notation
2.0685025 × 10^6
Prime Factorization
5 × 5 × 757 × 1093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4137005
Product of the distinct prime numbers
The prime factorization of 20685025 is 5 × 5 × 757 × 1093.
Since it has a total of 4 prime factors.
4 , 6 , 96 , 66 , 175 , 292 , 1159 , 5973 , 15179 , 57781 , 937070 , 169211 , 5357922 , 8088017 , 80364315 , 25889502 , 543811254 , 704463294 , 1296297951 , 3913834563
n×2
41370050
n×3
62055075
n×4
82740100
n×5
103425125
n÷2
10342512.5
n÷3
6895008.3333333
n÷3
5171256.25
n÷5
4137005
n2
427870259250625
n3
8.8505070093557E+21
n4
1.830729587512E+29
n5
3.7868687285925E+36
2 √n
4548.0792649205
3 √n
274.50611077048
4 √n
67.439448877645
5 √n
29.049001568615
1 , 5 , 25 , 757 , 1093 , 3785 , 5465 , 18925 , 27325 , 827401 , 4137005 , 20685025
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685025 can be divided by 12 positive divisors.
The sum of these divisors (counting 20685025) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010000011100001
3
Ternary
1102220220112001
4
Quaternary
1032322003201
5
Quinary
20243410100
6
Senary
2015204001
8
Octal
116720341
10
Decimal
20685025
12
Duodecimal
6b16601
16
Hexadecimal
13ba0e1
20
Vigesimal
695cb5
36
Base36
cbco1
md5
a6dfa39ee7ed057053aae669198c4258
sha1
812758586b09f4591d30e7d20334115f21a08c2b
sha256
c74f7346d9df57ceb19a6a4e376984750da9ca9bd0b0d0ef68dfde40f6edc381
sha512
c5322f4b49b32a2e04e7f47c5c4dd7c6deed5e1768f1b30bdffc1870bbc88fc948fb5e611669fa8088214af4444d6276649777d901983848c63d429fa279495d
ripemd-160
db549d9465c8c0c012eb99206da3e179407e2b80
Diameter
41370050
Circumference
129967845.15864
Area
1.3441940631513E+15
Volume
3.7072917068182E+22
Surface area
5.3767762526053E+15
Circumference
129967845.15864
Perimeter
82740100
Area
427870259250625
Diagonal
29253042.893027
Surface area
2567221555503750
Volume
8.8505070093557E+21
Space diagonal
35827514.255832
Perimeter
62055075
Area
1.8527325701744E+14
Altitude
17913757.127916
Surface area
1.8527325701744E+14
Volume
1.0430422538757E+21
Height
9751014.2976755