20856589 is an odd 8-digits composite number following 20856588
and preceding 20856590 . In scientific notation, it is written as 2.0856589 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 19192896 positive integers (up to 20856589) that are relatively prime to 20856589.
20856589 has 8 divisors, whose sum is 22530200
The reverse of 20856589 is 98565802
Previous prime number is 4597
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million eight hundred fifty-six thousand five hundred eighty-nine
Scientific notation
2.0856589 × 10^7
Engineering notation
2.0856589 × 10^6
Prime Factorization
13 × 4597 × 349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20856589
Product of the distinct prime numbers
The prime factorization of 20856589 is 13 × 4597 × 349.
Since it has a total of 3 prime factors.
7 , 2 , 60 , 88 , 792 , 262 , 3436 , 8655 , 68842 , 39429 , 369523 , 133546 , 4491896 , 4416231 , 84778023 , 20437493 , 345750860 , 912959939 , 5915818371 , 6402299235
n×2
41713178
n×3
62569767
n×4
83426356
n×5
104282945
n÷2
10428294.5
n÷3
6952196.3333333
n÷3
5214147.25
n÷5
4171317.8
n2
434997304714921
n3
9.0725600005469E+21
n4
1.8922265510925E+29
n5
3.9465391471023E+36
2 √n
4566.9014659833
3 √n
275.26295069438
4 √n
67.578853689473
5 √n
29.097029650281
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
-20856588
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 20856589 can be divided by 8 positive divisors.
The sum of these divisors (counting 20856589) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100011111100001101
3
Ternary
1110020121212021
4
Quaternary
1033203330031
5
Quinary
20314402324
6
Senary
2023010141
8
Octal
117437415
10
Decimal
20856589
12
Duodecimal
6b99951
16
Hexadecimal
13e3f0d
20
Vigesimal
6a7199
36
Base36
cf11p
md5
4d92682c8e42dcbf3be3c2ac63c5662d
sha1
afdae75d3b210c8c07ac02d098ca177c15cd8726
sha256
72330b46ee1b9462551027855ee6bc631187156214871f824339df488833f027
sha512
30cadf1a4b79f37281c68402df24e73e8be5d99bf6f67ec88cc6dfd5ab6f6b65eb1d5612790a9dd5eb03fe5357e91bc354e2f71e42526429b8deaf78b4955e3b
ripemd-160
bce3091b509f7f3fa760150680639f2f5b1809bf
Diameter
41713178
Circumference
131045813.56268
Area
1.3665843368238E+15
Volume
3.8003050462628E+22
Surface area
5.466337347295E+15
Circumference
131045813.56268
Perimeter
83426356
Area
434997304714921
Diagonal
29495671.028642
Surface area
2609983828289526
Volume
9.0725600005469E+21
Space diagonal
36124671.820582
Perimeter
62569767
Area
1.8835935823044E+14
Altitude
18062335.910291
Surface area
1.8835935823044E+14
Volume
1.0692114498514E+21
Height
9831890.3428805