20786689 is an odd 8-digits composite number following 20786688
and preceding 20786690 . In scientific notation, it is written as 2.0786689 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 16047360 positive integers (up to 20786689) that are relatively prime to 20786689.
20786689 has 16 divisors, whose sum is 26156160
The reverse of 20786689 is 98668702
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million seven hundred eighty-six thousand six hundred eighty-nine
Scientific notation
2.0786689 × 10^7
Engineering notation
2.0786689 × 10^6
Prime Factorization
11 × 7 × 113 × 2389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20786689
Product of the distinct prime numbers
The prime factorization of 20786689 is 11 × 7 × 113 × 2389.
Since it has a total of 4 prime factors.
7 , 2 , 70 , 94 , 643 , 610 , 5722 , 5399 , 57034 , 9046 , 186238 , 519967 , 8971936 , 2756475 , 86170516 , 33990642 , 969600931 , 541522460 , 526799943 , 1577817429
n×2
41573378
n×3
62360067
n×4
83146756
n×5
103933445
n÷2
10393344.5
n÷3
6928896.3333333
n÷3
5196672.25
n÷5
4157337.8
n2
432086439582721
n3
8.9816464407233E+21
n4
1.8669869127127E+29
n5
3.880847632163E+36
2 √n
4559.2421519371
3 √n
274.95509569835
4 √n
67.522160450752
5 √n
29.077499951944
1 , 7 , 11 , 77 , 113 , 791 , 1243 , 2389 , 8701 , 16723 , 26279 , 183953 , 269957 , 1889699 , 2969527 , 20786689
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
-20786688
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 20786689 can be divided by 16 positive divisors.
The sum of these divisors (counting 20786689) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010111000000001
3
Ternary
1110010001222101
4
Quaternary
1033102320001
5
Quinary
20310133224
6
Senary
2021310401
8
Octal
117227001
10
Decimal
20786689
12
Duodecimal
6b65401
16
Hexadecimal
13d2e01
20
Vigesimal
69i6e9
36
Base36
cdj41
md5
b2f9f31c2ebd79745e0547e6018d3419
sha1
24ecde88e1bacf4b9d322cf97f55d98d3777390a
sha256
c0136779f0b94381930eb259aa40db0d19957ccbcfbfedd3c5ee62b4fc546fe7
sha512
fbee8beaf575aa11c6ca4f43d0ef157cce39065faf7925a8b3c35ae0b2c3b641773440e593073e450b3a478b611897d494ee4840d43a06bf4e92c9d189035fcd
ripemd-160
94c194c470722466128d3bd1cf517dcdc09d220a
Diameter
41573378
Circumference
130606618.90971
Area
1.3574395843088E+15
Volume
3.7622232633756E+22
Surface area
5.4297583372354E+15
Circumference
130606618.90971
Perimeter
83146756
Area
432086439582721
Diagonal
29396817.500632
Surface area
2592518637496326
Volume
8.9816464407233E+21
Space diagonal
36003601.469133
Perimeter
62360067
Area
1.870989166547E+14
Altitude
18001800.734567
Surface area
1.870989166547E+14
Volume
1.0584971840759E+21
Height
9798939.1668772