20161225 is an odd 8-digits composite number following 20161224
and preceding 20161226 . In scientific notation, it is written as 2.0161225 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 13221120 positive integers (up to 20161225) that are relatively prime to 20161225.
20161225 has 16 divisors, whose sum is 25009920
The reverse of 20161225 is 52216102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred sixty-one thousand two hundred twenty-five
Scientific notation
2.0161225 × 10^7
Engineering notation
2.0161225 × 10^6
Prime Factorization
25 × 7 × 23 × 5009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161225
Product of the distinct prime numbers
The prime factorization of 20161225 is 25 × 7 × 23 × 5009.
Since it has a total of 4 prime factors.
9 , 5 , 95 , 78 , 13 , 826 , 7734 , 4102 , 25591 , 48217 , 547093 , 395286 , 9223482 , 6924256 , 157518 , 49261988 , 491526998 , 475916350 , 8167098378 , 9162265184
n×2
40322450
n×3
60483675
n×4
80644900
n×5
100806125
n÷2
10080612.5
n÷3
6720408.3333333
n÷3
5040306.25
n÷5
4032245
n2
406474993500625
n3
8.1950338008396E+21
n4
1.6522192034133E+29
n5
3.3310763109337E+36
2 √n
4490.1252766487
3 √n
272.16919710111
4 √n
67.008397060732
5 √n
28.900368694786
1 , 7 , 23 , 25 , 161 , 175 , 575 , 4025 , 5009 , 35063 , 115207 , 125225 , 806449 , 876575 , 2880175 , 20161225
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161224
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161225 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161225) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010001011001001
3
Ternary
1101221022000001
4
Quaternary
1030322023021
5
Quinary
20130124400
6
Senary
2000043001
8
Octal
114721311
10
Decimal
20161225
12
Duodecimal
6903461
16
Hexadecimal
133a2c9
20
Vigesimal
660315
36
Base36
c04i1
md5
e6adb4cabfe8e405f9664fc3c8f33dc7
sha1
ec034dafb950973180a0bfa61344c4c1e9f3db49
sha256
9e5939a77c5510387dc64c5dd4f79f929b841aff31cbc8641a7f7f450c4dabc8
sha512
b06614c7b1dc4e55c022b32fc5f176765d0519153e65174a71e52b173dcb478c33cb070fe9328adfc4bfbe246510cb75b27f87a5b648f1f7233e2c74ec875df6
ripemd-160
49f0c134b3c9c6f4a9b4b858936e2073e3e9d070
Diameter
40322450
Circumference
126676712.69474
Area
1.2769788534495E+15
Volume
3.432727731285E+22
Surface area
5.1079154137981E+15
Circumference
126676712.69474
Perimeter
80644900
Area
406474993500625
Diagonal
28512277.829056
Surface area
2438849961003750
Volume
8.1950338008396E+21
Space diagonal
34920266.042828
Perimeter
60483675
Area
1.7600883518733E+14
Altitude
17460133.021414
Surface area
1.7600883518733E+14
Volume
9.6579399543778E+20
Height
9504092.6096852