20686900 is an even 8-digits composite number following 20686899
and preceding 20686901 . In scientific notation, it is written as 2.0686900 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 7637760 positive integers (up to 20686900) that are relatively prime to 20686900.
20686900 has 24 divisors, whose sum is 40548872
The reverse of 20686900 is 00968602
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-six thousand nine hundred
Scientific notation
2.0686900 × 10^7
Engineering notation
2.0686900 × 10^6
Prime Factorization
2 × 2 × 25 × 13 × 15913
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10343450
Product of the distinct prime numbers
The prime factorization of 20686900 is 2 × 2 × 25 × 13 × 15913.
Since it has a total of 5 prime factors.
2 , 9 , 13 , 28 , 557 , 850 , 5596 , 4925 , 48650 , 5955 , 305598 , 423291 , 6361404 , 5249069 , 25178184 , 98332424 , 933323233 , 145859476 , 6846084917 , 2187235033
n×2
41373800
n×3
62060700
n×4
82747600
n×5
103434500
n÷2
10343450
n÷3
6895633.3333333
n÷3
5171725
n÷5
4137380
n2
427947831610000
n3
8.8529139977329E+21
n4
1.831393465797E+29
n5
3.7885853487596E+36
2 √n
4548.2853912216
3 √n
274.51440474815
4 √n
67.440977092726
5 √n
29.049528180531
1 , 2 , 4 , 13 , 25 , 26 , 50 , 52 , 100 , 325 , 650 , 1300 , 15913 , 31826 , 63652 , 206869 , 397825 , 413738 , 795650 , 827476 , 1591300 , 5171725 , 10343450 , 20686900
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
-20686899
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 20686900 can be divided by 24 positive divisors.
The sum of these divisors (counting 20686900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010100000110100
3
Ternary
1102221000002111
4
Quaternary
1032322200310
5
Quinary
20243440100
6
Senary
2015220404
8
Octal
116724064
10
Decimal
20686900
12
Duodecimal
6b17704
16
Hexadecimal
13ba834
20
Vigesimal
695h50
36
Base36
cbe44
md5
18155db189917b899d466d638018275f
sha1
96e4a394949b8dcda12e7e490e51c42f97cfaef4
sha256
9b03fcdf8158f0cef73d67877902dc7a7b19e08337ca899793b7dc12f25c6e48
sha512
d2564eea3d393e38f6605e5980a6e065bc2fbf450a3d2a4564dfc120bdbc9d2a3e5fb83a3dabbcd7cb237342f22c7bf691c72194d7bdcbd2bf4feec2e82c5052
ripemd-160
d20396e271dd7e21069a26e800f39562d0533ec1
Diameter
41373800
Circumference
129979626.13109
Area
1.3444377639057E+15
Volume
3.708299943752E+22
Surface area
5.3777510556226E+15
Circumference
129979626.13109
Perimeter
82747600
Area
427947831610000
Diagonal
29255694.543456
Surface area
2567686989660000
Volume
8.8529139977329E+21
Space diagonal
35830761.851097
Perimeter
62060700
Area
1.8530684683436E+14
Altitude
17915380.925548
Surface area
1.8530684683436E+14
Volume
1.0433259201764E+21
Height
9751898.181152