20831707 is an odd 8-digits composite number following 20831706
and preceding 20831708 . In scientific notation, it is written as 2.0831707 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 18941472 positive integers (up to 20831707) that are relatively prime to 20831707.
20831707 has 8 divisors, whose sum is 22769936
The reverse of 20831707 is 70713802
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred thirty-one thousand seven hundred seven
Scientific notation
2.0831707 × 10^7
Engineering notation
2.0831707 × 10^6
Prime Factorization
13 × 67 × 23917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20831707
Product of the distinct prime numbers
The prime factorization of 20831707 is 13 × 67 × 23917.
Since it has a total of 3 prime factors.
4 , 2 , 44 , 69 , 821 , 806 , 2906 , 2576 , 4817 , 88086 , 28206 , 605455 , 1056245 , 6635170 , 18335272 , 49326950 , 894964790 , 216910189 , 8635796083 , 5105264604
n×2
41663414
n×3
62495121
n×4
83326828
n×5
104158535
n÷2
10415853.5
n÷3
6943902.3333333
n÷3
5207926.75
n÷5
4166341.4
n2
433960016533849
n3
9.0401279141483E+21
n4
1.8832129595006E+29
n5
3.9230540590919E+36
2 √n
4564.1764865088
3 √n
275.15344384243
4 √n
67.558689200641
5 √n
29.090083758701
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
-20831706
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 20831707 can be divided by 8 positive divisors.
The sum of these divisors (counting 20831707) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011101110111011011
3
Ternary
1110012100201201
4
Quaternary
1033131313123
5
Quinary
20313103312
6
Senary
2022255031
8
Octal
117356733
10
Decimal
20831707
12
Duodecimal
6b87477
16
Hexadecimal
13ddddb
20
Vigesimal
6a3j57
36
Base36
cehuj
md5
371216658460cea3c1b0217ac9063427
sha1
dbfcf7b2e88fbe1f8a940cee7b3886d486e02edc
sha256
db07f43bb4c0702ec7ea3d18af0a1a2d4ff655835f3fcdc74640f9ead30f031c
sha512
b9c2fb17100a3ae59e2c3e427da278e6f789faeb5be1ab89b7ac03076696d9fe1576b8984a3aac46b093a0554c3805f1e31a6bd70d71f5e919924aa7d5917d98
ripemd-160
92b0ee5bea65f3dc98436cde2c7bac4103333e11
Diameter
41663414
Circumference
130889475.34587
Area
1.3633255998944E+15
Volume
3.78671992568E+22
Surface area
5.4533023995778E+15
Circumference
130889475.34587
Perimeter
83326828
Area
433960016533849
Diagonal
29460482.566783
Surface area
2603760099203094
Volume
9.0401279141483E+21
Space diagonal
36081574.932388
Perimeter
62495121
Area
1.8791019927251E+14
Altitude
18040787.466194
Surface area
1.8791019927251E+14
Volume
1.0653892918147E+21
Height
9820160.8555942