20831007 is an odd 8-digits composite number following 20831006
and preceding 20831008 . In scientific notation, it is written as 2.0831007 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13887336 positive integers (up to 20831007) that are relatively prime to 20831007.
20831007 has 4 divisors, whose sum is 27774680
The reverse of 20831007 is 70013802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred thirty-one thousand seven
Scientific notation
2.0831007 × 10^7
Engineering notation
2.0831007 × 10^6
Prime Factorization
3 × 6943669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20831007
Product of the distinct prime numbers
The prime factorization of 20831007 is 3 × 6943669.
Since it has a total of 2 prime factors.
9 , 3 , 13 , 29 , 442 , 499 , 4231 , 4509 , 27907 , 97395 , 870224 , 375503 , 5570493 , 6744264 , 79373496 , 84322902 , 391501746 , 246207874 , 8003318106 , 3638665073
n×2
41662014
n×3
62493021
n×4
83324028
n×5
104155035
n÷2
10415503.5
n÷3
6943669
n÷3
5207751.75
n÷5
4166201.4
n2
433930852634049
n3
9.0392166287358E+21
n4
1.8829598486771E+29
n5
3.9223949788512E+36
2 √n
4564.0998017134
3 √n
275.15036184875
4 √n
67.558121656196
5 √n
29.089888255448
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
-20831006
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 20831007 can be divided by 4 positive divisors.
The sum of these divisors (counting 20831007) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011101101100011111
3
Ternary
1110012022202210
4
Quaternary
1033131230133
5
Quinary
20313043012
6
Senary
2022251503
8
Octal
117355437
10
Decimal
20831007
12
Duodecimal
6b86b93
16
Hexadecimal
13ddb1f
20
Vigesimal
6a3ha7
36
Base36
cehb3
md5
6b4c64c32c7509b91bc5cc7c50332afd
sha1
a76909405bb711a2641836523f8b085f0183bc59
sha256
55fde52e52b477af9095afbd3c3b2949992f190bb4f437b86d347fbfd87ca8ef
sha512
06dad7f1d9a7325b2bcea691fa9fadd0d20a7ca40fbd8ffcbd91400e6a7b2bba85ccfff42356fd617931af2026ea80e769870739a7e3985bc8fe20e10fa015bc
ripemd-160
818e987b6c41e375e2cea0ea6e82a2390817ef31
Diameter
41662014
Circumference
130885077.11616
Area
1.3632339788011E+15
Volume
3.7863382073391E+22
Surface area
5.4529359152043E+15
Circumference
130885077.11616
Perimeter
83324028
Area
433930852634049
Diagonal
29459492.617289
Surface area
2603585115804294
Volume
9.0392166287358E+21
Space diagonal
36080362.496823
Perimeter
62493021
Area
1.8789757093346E+14
Altitude
18040181.248411
Surface area
1.8789757093346E+14
Volume
1.0652818957989E+21
Height
9819830.8724296