20685748 is an even 8-digits composite number following 20685747
and preceding 20685749 . In scientific notation, it is written as 2.0685748 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 10342872 positive integers (up to 20685748) that are relatively prime to 20685748.
20685748 has 6 divisors, whose sum is 36200066
The reverse of 20685748 is 84758602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-five thousand seven hundred forty-eight
Scientific notation
2.0685748 × 10^7
Engineering notation
2.0685748 × 10^6
Prime Factorization
2 × 2 × 5171437
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10342874
Product of the distinct prime numbers
The prime factorization of 20685748 is 2 × 2 × 5171437.
Since it has a total of 3 prime factors.
6 , 7 , 16 , 16 , 185 , 303 , 531 , 9220 , 78103 , 99814 , 450912 , 563643 , 6866751 , 7364427 , 65628085 , 41315116 , 587114602 , 413224361 , 7066452389 , 3604759204
n×2
41371496
n×3
62057244
n×4
82742992
n×5
103428740
n÷2
10342874
n÷3
6895249.3333333
n÷3
5171437
n÷5
4137149.6
n2
427900170319504
n3
8.8514350923863E+21
n4
1.8309855575946E+29
n5
3.7875305836041E+36
2 √n
4548.1587483288
3 √n
274.50930898764
4 √n
67.440038169687
5 √n
29.049204634693
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685748 can be divided by 6 positive divisors.
The sum of these divisors (counting 20685748) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001110111010001110110100
3
Ternary
1102220221111211
4
Quaternary
1032322032310
5
Quinary
20243420443
6
Senary
2015211204
8
Octal
116721664
10
Decimal
20685748
12
Duodecimal
6b16b04
16
Hexadecimal
13ba3b4
20
Vigesimal
695e78
36
Base36
cbd84
md5
6054bea86f995051ef5e10979307c241
sha1
0df3324bdd500953f951bdb0473206a796fd38a3
sha256
457fa58cf4da4f83d320cda51f07cbfbca969e3c6e30c391e990f499c68de04f
sha512
54fa2db52a714aac1d1f3097ca01d61fea9ab46fbf7097ac29bdbbcf444ab028c5615c11f240b7a369873a2043435edf2ba02a4d95a021485ba91f681a8bef3a
ripemd-160
b61af090142e1c6d8373a546cc4b1bef43af966c
Diameter
41371496
Circumference
129972387.90162
Area
1.3442880315456E+15
Volume
3.707680461329E+22
Surface area
5.3771521261823E+15
Circumference
129972387.90162
Perimeter
82742992
Area
427900170319504
Diagonal
29254065.369432
Surface area
2567401021917024
Volume
8.8514350923863E+21
Space diagonal
35828766.528566
Perimeter
62057244
Area
1.8528620889019E+14
Altitude
17914383.264283
Surface area
1.8528620889019E+14
Volume
1.0431516295098E+21
Height
9751355.123144