21086479 is an odd 8-digits composite number following 21086478
and preceding 21086480 . In scientific notation, it is written as 2.1086479 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20406240 positive integers (up to 21086479) that are relatively prime to 21086479.
21086479 has 4 divisors, whose sum is 21766720
The reverse of 21086479 is 97468012
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eighty-six thousand four hundred seventy-nine
Scientific notation
2.1086479 × 10^7
Engineering notation
2.1086479 × 10^6
Prime Factorization
31 × 680209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21086479
Product of the distinct prime numbers
The prime factorization of 21086479 is 31 × 680209.
Since it has a total of 2 prime factors.
2 , 4 , 85 , 90 , 73 , 89 , 8230 , 9597 , 90692 , 11870 , 849688 , 71932 , 9068282 , 6040624 , 26872217 , 60586777 , 265864128 , 732605258 , 1947610353 , 2445539199
n×2
42172958
n×3
63259437
n×4
84345916
n×5
105432395
n÷2
10543239.5
n÷3
7028826.3333333
n÷3
5271619.75
n÷5
4217295.8
n2
444639596617441
n3
9.3758835166421E+21
n4
1.9770437088012E+29
n5
4.1688890647719E+36
2 √n
4592.001633275
3 √n
276.27061167638
4 √n
67.764309435535
5 √n
29.160892610902
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21086478
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21086479 can be divided by 4 positive divisors.
The sum of these divisors (counting 21086479) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011100000100001111
3
Ternary
1110200022012201
4
Quaternary
1100130010033
5
Quinary
20344231404
6
Senary
2031542331
8
Octal
120340417
10
Decimal
21086479
12
Duodecimal
708a9a7
16
Hexadecimal
141c10f
20
Vigesimal
6bfg3j
36
Base36
cjyfj
md5
f61ec6adca4e81b0dca9a205c00c6df5
sha1
a30faf26daecbd02e24bce5cfec277b14a8f5c89
sha256
14635380cbebe2da9149cb4588c7998d161574d65228409998da525fc53f05b5
sha512
261ada7a19c687612fb1c750ed1dbc5625d848b274a41b889263c453727c79629c08e936713eddcc26d747077022717b2dd5820f71f5a51363a8341eca796900
ripemd-160
32f820982e2e6ba8a4b384db8af05022c0e8fbe8
Diameter
42172958
Circumference
132490255.03295
Area
1.3968764902285E+15
Volume
3.9273609035729E+22
Surface area
5.5875059609139E+15
Circumference
132490255.03295
Perimeter
84345916
Area
444639596617441
Diagonal
29820784.584495
Surface area
2667837579704646
Volume
9.3758835166421E+21
Space diagonal
36522852.980734
Perimeter
63259437
Area
1.9253459309958E+14
Altitude
18261426.490367
Surface area
1.9253459309958E+14
Volume
1.1049584690388E+21
Height
9940261.5281652