20685380 is an even 8-digits composite number following 20685379
and preceding 20685381 . In scientific notation, it is written as 2.0685380 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 8180480 positive integers (up to 20685380) that are relatively prime to 20685380.
20685380 has 24 divisors, whose sum is 43931160
The reverse of 20685380 is 08358602
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred eighty-five thousand three hundred eighty
Scientific notation
2.0685380 × 10^7
Engineering notation
2.0685380 × 10^6
Prime Factorization
2 × 2 × 5 × 89 × 11621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10342690
Product of the distinct prime numbers
The prime factorization of 20685380 is 2 × 2 × 5 × 89 × 11621.
Since it has a total of 5 prime factors.
1 , 7 , 68 , 89 , 832 , 765 , 9738 , 2440 , 37260 , 47635 , 457758 , 494043 , 7947140 , 6119425 , 59670444 , 34742366 , 674435328 , 419750486 , 7698510431 , 236491823
n×2
41370760
n×3
62056140
n×4
82741520
n×5
103426900
n÷2
10342690
n÷3
6895126.6666667
n÷3
5171345
n÷5
4137076
n2
427884945744400
n3
8.8509626990023E+21
n4
1.8308552679469E+29
n5
3.7871936942483E+36
2 √n
4548.1182922171
3 √n
274.50768113538
4 √n
67.439738227673
5 √n
29.049101276735
1 , 2 , 4 , 5 , 10 , 20 , 89 , 178 , 356 , 445 , 890 , 1780 , 11621 , 23242 , 46484 , 58105 , 116210 , 232420 , 1034269 , 2068538 , 4137076 , 5171345 , 10342690 , 20685380
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
-20685379
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 20685380 can be divided by 24 positive divisors.
The sum of these divisors (counting 20685380) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010001001000100
3
Ternary
1102220221000012
4
Quaternary
1032322021010
5
Quinary
20243413010
6
Senary
2015205352
8
Octal
116721104
10
Decimal
20685380
12
Duodecimal
6b16858
16
Hexadecimal
13ba244
20
Vigesimal
695d90
36
Base36
cbcxw
md5
b73e276f6cc13dfcac01979984cc5c10
sha1
24e8fc531a99d91faa8e7a5ccb330ee781739fdd
sha256
154a35bf6fb1c89e835421372bf763a3da8370c9f004da6037fb27cd40ff1725
sha512
5afd50a36e85a65c89c3d81f3a46dc5f2030a69baec675750811699049c5f2a8af8dde1555e12ef152195d5c28d44ffb7296e5fe31a8df9438f61d87ca0dd3fb
ripemd-160
f315e84df0ea784689b8696777f23626d7d19641
Diameter
41370760
Circumference
129970075.68943
Area
1.3442402021323E+15
Volume
3.7074825856511E+22
Surface area
5.3769608085291E+15
Circumference
129970075.68943
Perimeter
82741520
Area
427884945744400
Diagonal
29253544.938841
Surface area
2567309674466400
Volume
8.8509626990023E+21
Space diagonal
35828129.133869
Perimeter
62056140
Area
1.8527961645579E+14
Altitude
17914064.566935
Surface area
1.8527961645579E+14
Volume
1.0430959574156E+21
Height
9751181.6462804