20831729 is an odd 8-digits prime number following 20831728
and preceding 20831730 . In scientific notation, it is written as 2.0831729 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 20831728 positive integers (up to 20831729) that are relatively prime to 20831729.
20831729 has 2 divisors, whose sum is 20831730
The reverse of 20831729 is 92713802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eight hundred thirty-one thousand seven hundred twenty-nine
Scientific notation
2.0831729 × 10^7
Engineering notation
2.0831729 × 10^6
Prime Factorization
20831729
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20831729
Product of the distinct prime numbers
The prime factorization of 20831729 is 20831729.
Since it has a total of 1 prime factors.
9 , 10 , 78 , 15 , 737 , 312 , 9870 , 4113 , 84001 , 90540 , 530265 , 503659 , 3287014 , 3855122 , 79606524 , 41132726 , 307801710 , 27346122 , 7731000521 , 3250994239
n×2
41663458
n×3
62495187
n×4
83326916
n×5
104158645
n÷2
10415864.5
n÷3
6943909.6666667
n÷3
5207932.25
n÷5
4166345.8
n2
433960933129441
n3
9.0401565555396E+21
n4
1.8832209148258E+29
n5
3.9230747744782E+36
2 √n
4564.1788965815
3 √n
275.15354070397
4 √n
67.55870703752
5 √n
29.090089903003
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20831730
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10415865
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4564.1790061302
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999039926
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20831729 can be divided by 2 positive divisors.
The sum of these divisors (counting 20831729) is 20831730, the average is 10415865.
Base
System
Value
2
Binary
1001111011101110111110001
3
Ternary
1110012100202112
4
Quaternary
1033131313301
5
Quinary
20313103404
6
Senary
2022255105
8
Octal
117356761
10
Decimal
20831729
12
Duodecimal
6b87495
16
Hexadecimal
13dddf1
20
Vigesimal
6a3j69
36
Base36
cehv5
md5
2d1c87517ea062315d9c4480ea171421
sha1
d49ae8b99bd2cf7b3eba5d16311130168a829126
sha256
1746c1cb9ba44947dcb77ec7f6ddba7d50daabfe58bafafaeb8362ed0f1c251b
sha512
573bbb9e3d7166fa4ac54f16310dccd9aae41320d367b8048cffc0fd64d10cb9b01933c4cbfe4b779c56d32242cea6b6ec8558cd60b7d5df361d722a9bb9a4ca
ripemd-160
bab9ecb310e848050cfeff5628111906658c64eb
Diameter
41663458
Circumference
130889613.57595
Area
1.3633284794644E+15
Volume
3.786731922958E+22
Surface area
5.4533139178577E+15
Circumference
130889613.57595
Perimeter
83326916
Area
433960933129441
Diagonal
29460513.679481
Surface area
2603765598776646
Volume
9.0401565555396E+21
Space diagonal
36081613.037506
Perimeter
62495187
Area
1.8791059617005E+14
Altitude
18040806.518753
Surface area
1.8791059617005E+14
Volume
1.065392667235E+21
Height
9820171.2264936