20685718 is an even 8-digits composite number following 20685717
and preceding 20685719 . In scientific notation, it is written as 2.0685718 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 9662976 positive integers (up to 20685718) that are relatively prime to 20685718.
20685718 has 16 divisors, whose sum is 33113520
The reverse of 20685718 is 81758602
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred eighty-five thousand seven hundred eighteen
Scientific notation
2.0685718 × 10^7
Engineering notation
2.0685718 × 10^6
Prime Factorization
2 × 19 × 73 × 7457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685718
Product of the distinct prime numbers
The prime factorization of 20685718 is 2 × 19 × 73 × 7457.
Since it has a total of 4 prime factors.
2 , 7 , 48 , 27 , 177 , 824 , 6490 , 4997 , 81620 , 36279 , 908917 , 547730 , 292948 , 3554183 , 71426056 , 32248160 , 663806242 , 634651810 , 5269034354 , 1850938709
n×2
41371436
n×3
62057154
n×4
82742872
n×5
103428590
n÷2
10342859
n÷3
6895239.3333333
n÷3
5171429.5
n÷5
4137143.6
n2
427898929175524
n3
8.8513965814269E+21
n4
1.8309749358956E+29
n5
3.7875031189004E+36
2 √n
4548.1554502897
3 √n
274.50917628301
4 √n
67.440013718042
5 √n
29.049196208828
1 , 2 , 19 , 38 , 73 , 146 , 1387 , 2774 , 7457 , 14914 , 141683 , 283366 , 544361 , 1088722 , 10342859 , 20685718
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685717
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685718 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685718) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010001110010110
3
Ternary
1102220221110201
4
Quaternary
1032322032112
5
Quinary
20243420333
6
Senary
2015211114
8
Octal
116721626
10
Decimal
20685718
12
Duodecimal
6b16a9a
16
Hexadecimal
13ba396
20
Vigesimal
695e5i
36
Base36
cbd7a
md5
c14da7736db05784b1a562ba287894f0
sha1
31cdf946b1ac4f30a8a048ba1964b05d91c0225a
sha256
76240e7574714f1415cf14cedf77a6b85b4c454754452f438697dff1c0e4652f
sha512
2728f769271d0d1654fb2add9f73d6b760d6dc54ddd906e8a2bc2cfa7b2756b0979ad7dc66c128c6761eafe9f7f0c47dcc076ed9d0d4e3ea727aeb51bb1a6189
ripemd-160
5e6251aed3d9ffe32ed8204cf6475f78f0bfb31a
Diameter
41371436
Circumference
129972199.40606
Area
1.3442841323768E+15
Volume
3.7076643298961E+22
Surface area
5.3771365295071E+15
Circumference
129972199.40606
Perimeter
82742872
Area
427898929175524
Diagonal
29254022.943025
Surface area
2567393575053144
Volume
8.8513965814269E+21
Space diagonal
35828714.567042
Perimeter
62057154
Area
1.8528567145908E+14
Altitude
17914357.283521
Surface area
1.8528567145908E+14
Volume
1.0431470909497E+21
Height
9751340.9810084