20831423 is an odd 8-digits composite number following 20831422
and preceding 20831424 . In scientific notation, it is written as 2.0831423 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 20497048 positive integers (up to 20831423) that are relatively prime to 20831423.
20831423 has 8 divisors, whose sum is 21168000
The reverse of 20831423 is 32413802
Previous prime number is 599
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eight hundred thirty-one thousand four hundred twenty-three
Scientific notation
2.0831423 × 10^7
Engineering notation
2.0831423 × 10^6
Prime Factorization
419 × 599 × 83
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20831423
Product of the distinct prime numbers
The prime factorization of 20831423 is 419 × 599 × 83.
Since it has a total of 3 prime factors.
5 , 5 , 52 , 87 , 336 , 950 , 5152 , 4455 , 94868 , 60456 , 997651 , 474729 , 289599 , 8409597 , 24866559 , 28878326 , 842828754 , 256807832 , 5901090988 , 1600279376
n×2
41662846
n×3
62494269
n×4
83325692
n×5
104157115
n÷2
10415711.5
n÷3
6943807.6666667
n÷3
5207855.75
n÷5
4166284.6
n2
433948184204929
n3
9.0397581852548E+21
n4
1.8831102657476E+29
n5
3.922786650143E+36
2 √n
4564.1453745471
3 √n
275.15219344189
4 √n
67.558458941476
5 √n
29.090004440872
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
-20831422
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 20831423 can be divided by 8 positive divisors.
The sum of these divisors (counting 20831423) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011101110010111111
3
Ternary
1110012100100012
4
Quaternary
1033131302333
5
Quinary
20313101143
6
Senary
2022253435
8
Octal
117356277
10
Decimal
20831423
12
Duodecimal
6b8727b
16
Hexadecimal
13ddcbf
20
Vigesimal
6a3ib3
36
Base36
cehmn
md5
51fc1c30945c50903b013dbf3f619537
sha1
33b7aae269ff28fabe19cd3e0c3d256d7ff1e484
sha256
49eaeba71afdb29adde1bbc8414e9e133aaa07085ed1b90a0bbe19623e88d8f0
sha512
6f3dafb8d97a36f3aaaf38cb4436770171c50968c2a0e38121a39806822f513300b2845e04c2ed68c394f13dd93b888eff7e5d3bf8c3854197dee726a58db804
ripemd-160
c9e59aa67d33611e39de83cbd95f5a3ba06400a4
Diameter
41662846
Circumference
130887690.92124
Area
1.3632884275368E+15
Volume
3.7865650540033E+22
Surface area
5.4531537101473E+15
Circumference
130887690.92124
Perimeter
83325692
Area
433948184204929
Diagonal
29460080.930131
Surface area
2603689105229574
Volume
9.0397581852548E+21
Space diagonal
36081083.029959
Perimeter
62494269
Area
1.879050757238E+14
Altitude
18040541.514979
Surface area
1.879050757238E+14
Volume
1.0653457188467E+21
Height
9820026.9767103