20508972 is an even 8-digits composite number following 20508971
and preceding 20508973 . In scientific notation, it is written as 2.0508972 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 6214800 positive integers (up to 20508972) that are relatively prime to 20508972.
20508972 has 24 divisors, whose sum is 52204992
The reverse of 20508972 is 27980502
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million five hundred eight thousand nine hundred seventy-two
Scientific notation
2.0508972 × 10^7
Engineering notation
2.0508972 × 10^6
Prime Factorization
2 × 2 × 3 × 11 × 155371
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10254486
Product of the distinct prime numbers
The prime factorization of 20508972 is 2 × 2 × 3 × 11 × 155371.
Since it has a total of 5 prime factors.
10 , 10 , 42 , 75 , 475 , 726 , 2928 , 5076 , 54622 , 11605 , 614831 , 901483 , 9705957 , 1335925 , 47934952 , 76705288 , 681456970 , 959126379 , 4847572420 , 4491260439
n×2
41017944
n×3
61526916
n×4
82035888
n×5
102544860
n÷2
10254486
n÷3
6836324
n÷3
5127243
n÷5
4101794.4
n2
420617932496784
n3
8.6264414002744E+21
n4
1.7691944513787E+29
n5
3.6284359465881E+36
2 √n
4528.6832523373
3 √n
273.72510480222
4 √n
67.295492065496
5 √n
28.999384376951
1 , 2 , 3 , 4 , 6 , 11 , 12 , 22 , 33 , 44 , 66 , 132 , 155371 , 310742 , 466113 , 621484 , 932226 , 1709081 , 1864452 , 3418162 , 5127243 , 6836324 , 10254486 , 20508972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20508971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20508972 can be divided by 24 positive divisors.
The sum of these divisors (counting 20508972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110001111000100101100
3
Ternary
1102120222000120
4
Quaternary
1032033010230
5
Quinary
20222241342
6
Senary
2011324540
8
Octal
116170454
10
Decimal
20508972
12
Duodecimal
6a50750
16
Hexadecimal
138f12c
20
Vigesimal
683c8c
36
Base36
c7kto
md5
6864bdf412ff58e58f72c448393c8b0f
sha1
ec603a002534669851442297d7561a9889dac2f5
sha256
31db5d0fabb4f4a01ac74c8c807c3ab2ba9ce68850052ac94bad6b3704845394
sha512
b00da9dd148d3ce4fc176157ce3747ccbd406cebda1a39a10388f1e5096668f84c618a7af2016c126a5cb736e4736e209ae15311d8ffe107cce74c129b5ddef0
ripemd-160
6972ea04a004d4219eb7e78a9749736b18a1cab5
Diameter
41017944
Circumference
128861671.53576
Area
1.3214102067E+15
Volume
3.6134353239633E+22
Surface area
5.2856408268001E+15
Circumference
128861671.53576
Perimeter
82035888
Area
420617932496784
Diagonal
29004066.35273
Surface area
2523707594980704
Volume
8.6264414002744E+21
Space diagonal
35522581.515007
Perimeter
61526916
Area
1.8213290741475E+14
Altitude
17761290.757504
Surface area
1.8213290741475E+14
Volume
1.0166358686071E+21
Height
9668022.1175767