20807685 is an odd 8-digits composite number following 20807684
and preceding 20807686 . In scientific notation, it is written as 2.0807685 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 10946016 positive integers (up to 20807685) that are relatively prime to 20807685.
20807685 has 24 divisors, whose sum is 31143840
The reverse of 20807685 is 58670802
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred seven thousand six hundred eighty-five
Scientific notation
2.0807685 × 10^7
Engineering notation
2.0807685 × 10^6
Prime Factorization
45 × 3 × 3 × 83 × 619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6935895
Product of the distinct prime numbers
The prime factorization of 20807685 is 45 × 3 × 3 × 83 × 619.
Since it has a total of 5 prime factors.
7 , 3 , 35 , 59 , 391 , 982 , 9681 , 1837 , 52364 , 13067 , 225496 , 34894 , 8683102 , 6646544 , 94533808 , 72080495 , 112079346 , 784445436 , 2284328247 , 3937331284
n×2
41615370
n×3
62423055
n×4
83230740
n×5
104038425
n÷2
10403842.5
n÷3
6935895
n÷3
5201921.25
n÷5
4161537
n2
432959755059225
n3
9.0088902009495E+21
n4
1.8745414950094E+29
n5
3.9004868947586E+36
2 √n
4561.5441464487
3 √n
275.04763912976
4 √n
67.539204514479
5 √n
29.083371639108
1 , 3 , 9 , 45 , 83 , 135 , 249 , 405 , 619 , 747 , 1857 , 3735 , 5571 , 11205 , 27855 , 33615 , 51377 , 83565 , 154131 , 250695 , 462393 , 2311965 , 6935895 , 20807685
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
-20807684
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 20807685 can be divided by 24 positive divisors.
The sum of these divisors (counting 20807685) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111011000000000000101
3
Ternary
1110011010210000
4
Quaternary
1033120000011
5
Quinary
20311321220
6
Senary
2021551513
8
Octal
117300005
10
Decimal
20807685
12
Duodecimal
6b75599
16
Hexadecimal
13d8005
20
Vigesimal
6a0j45
36
Base36
cdzb9
md5
93c078c042d9ebb5c6b9eb8816365220
sha1
a33b208c206e59ec1d52c9e2be5a5592c2b7beaf
sha256
cc80ef3400afab8a2ab11f5cbca0226f0540e35d9bd9c04985269e06546cedb8
sha512
f92c2bc706e523e278fec45aee6af2888d5c10f2a9654a5ef6166e6e9ce8523256c6beff4afc7f22da29fe36cb8136299aabd3ab2adef9b39f0e92d683a1a9df
ripemd-160
f342bbedf0d1b511e0e2d692957e8ad699a477a5
Diameter
41615370
Circumference
130738540.66842
Area
1.3601831857941E+15
Volume
3.7736351029733E+22
Surface area
5.4407327431764E+15
Circumference
130738540.66842
Perimeter
83230740
Area
432959755059225
Diagonal
29426510.328587
Surface area
2597758530355350
Volume
9.0088902009495E+21
Space diagonal
36039967.607889
Perimeter
62423055
Area
1.8747707334879E+14
Altitude
18019983.803944
Surface area
1.8747707334879E+14
Volume
1.0617078920094E+21
Height
9808836.7761957