20685946 is an even 8-digits composite number following 20685945
and preceding 20685947 . In scientific notation, it is written as 2.0685946 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 9798588 positive integers (up to 20685946) that are relatively prime to 20685946.
20685946 has 8 divisors, whose sum is 32662080
The reverse of 20685946 is 64958602
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-five thousand nine hundred forty-six
Scientific notation
2.0685946 × 10^7
Engineering notation
2.0685946 × 10^6
Prime Factorization
2 × 19 × 544367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20685946
Product of the distinct prime numbers
The prime factorization of 20685946 is 2 × 19 × 544367.
Since it has a total of 3 prime factors.
4 , 10 , 14 , 99 , 924 , 106 , 4681 , 32 , 21883 , 2727 , 380337 , 929306 , 5675135 , 8731063 , 7276522 , 15047212 , 135474544 , 511414302 , 9170213676 , 3790266133
n×2
41371892
n×3
62057838
n×4
82743784
n×5
103429730
n÷2
10342973
n÷3
6895315.3333333
n÷3
5171486.5
n÷5
4137189.2
n2
427908361914916
n3
8.8516892675204E+21
n4
1.8310556619671E+29
n5
3.7877118546445E+36
2 √n
4548.180515327
3 √n
274.51018483494
4 √n
67.440199549875
5 √n
29.04926024516
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685946 can be divided by 8 positive divisors.
The sum of these divisors (counting 20685946) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010010001111010
3
Ternary
1102220221210011
4
Quaternary
1032322101322
5
Quinary
20243422241
6
Senary
2015212134
8
Octal
116722172
10
Decimal
20685946
12
Duodecimal
6b1704a
16
Hexadecimal
13ba47a
20
Vigesimal
695eh6
36
Base36
cbddm
md5
ea44a0aed0251b98a65b4edcd4269cdb
sha1
bd778b668ed5510c6b384d32242cb99d3b941d90
sha256
e1cc03c6a2f240af2bbda2f0831d26ba7a880fd5d7a866e7c8e3c25812391774
sha512
9c32132fd77a6a6bdf9adf889d11a7493796a8bb20d43eb4e1f768430b8889be0fb878fdfc032a489859032c367084687712ac847efb07ad54bdbaec69494b0c
ripemd-160
22298831316bb665e5481617bf6b86589fa1afdf
Diameter
41371892
Circumference
129973631.97231
Area
1.3443137662015E+15
Volume
3.7077869299602E+22
Surface area
5.3772550648062E+15
Circumference
129973631.97231
Perimeter
82743784
Area
427908361914916
Diagonal
29254345.383717
Surface area
2567450171489496
Volume
8.8516892675204E+21
Space diagonal
35829109.474626
Perimeter
62057838
Area
1.8528975595505E+14
Altitude
17914554.737313
Surface area
1.8528975595505E+14
Volume
1.0431815843366E+21
Height
9751448.4612392