20831738 is an even 8-digits composite number following 20831737
and preceding 20831739 . In scientific notation, it is written as 2.0831738 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10415868 positive integers (up to 20831738) that are relatively prime to 20831738.
20831738 has 4 divisors, whose sum is 31247610
The reverse of 20831738 is 83713802
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred thirty-one thousand seven hundred thirty-eight
Scientific notation
2.0831738 × 10^7
Engineering notation
2.0831738 × 10^6
Prime Factorization
2 × 10415869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20831738
Product of the distinct prime numbers
The prime factorization of 20831738 is 2 × 10415869.
Since it has a total of 2 prime factors.
4 , 7 , 9 , 18 , 407 , 433 , 6870 , 6919 , 59772 , 59248 , 357046 , 621157 , 6490967 , 295563 , 98359020 , 25627167 , 360426700 , 581609422 , 6251144534 , 6964644070
n×2
41663476
n×3
62495214
n×4
83326952
n×5
104158690
n÷2
10415869
n÷3
6943912.6666667
n÷3
5207934.5
n÷5
4166347.6
n2
433961308100644
n3
9.0401682724899E+21
n4
1.8832241692842E+29
n5
3.9230832489797E+36
2 √n
4564.17988252
3 √n
275.15358032913
4 √n
67.558714334421
5 √n
29.09009241658
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20831737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20831738 can be divided by 4 positive divisors.
The sum of these divisors (counting 20831738) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011101110111111010
3
Ternary
1110012100202212
4
Quaternary
1033131313322
5
Quinary
20313103423
6
Senary
2022255122
8
Octal
117356772
10
Decimal
20831738
12
Duodecimal
6b874a2
16
Hexadecimal
13dddfa
20
Vigesimal
6a3j6i
36
Base36
cehve
md5
5cb37e36d1e91487f53088e90118770a
sha1
f2dcfe6fa3f2cdeacd15c615d4dcb7c9c7ce07ac
sha256
6a2edf7d71ebf73c94553308a150de8f413f193b49593617541851815d5f0569
sha512
da30ba3dcb421a611a6463b3e3ad6fc8c37d5eeca790f900b2b4335520130c435ce43aec6c25f0b49ae806e1d8371ee40d085bc21659b89bfc28c150906b6a5b
ripemd-160
5669eedb4253888a9d8995721abaf292816dca6f
Diameter
41663476
Circumference
130889670.12461
Area
1.3633296574712E+15
Volume
3.7867368309426E+22
Surface area
5.4533186298848E+15
Circumference
130889670.12461
Perimeter
83326952
Area
433961308100644
Diagonal
29460526.407403
Surface area
2603767848603864
Volume
9.0401682724899E+21
Space diagonal
36081628.625963
Perimeter
62495214
Area
1.8791075853734E+14
Altitude
18040814.312982
Surface area
1.8791075853734E+14
Volume
1.0653940480908E+21
Height
9820175.4691343