21086886 is an even 8-digits composite number following 21086885
and preceding 21086887 . In scientific notation, it is written as 2.1086886 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6786528 positive integers (up to 21086886) that are relatively prime to 21086886.
21086886 has 16 divisors, whose sum is 43628400
The reverse of 21086886 is 68868012
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million eighty-six thousand eight hundred eighty-six
Scientific notation
2.1086886 × 10^7
Engineering notation
2.1086886 × 10^6
Prime Factorization
2 × 3 × 29 × 121189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21086886
Product of the distinct prime numbers
The prime factorization of 21086886 is 2 × 3 × 29 × 121189.
Since it has a total of 4 prime factors.
3 , 7 , 56 , 46 , 69 , 695 , 4805 , 130 , 48066 , 56084 , 652764 , 536057 , 9178911 , 3163366 , 6050154 , 21685749 , 665801702 , 674546865 , 72695991 , 3577486271
n×2
42173772
n×3
63260658
n×4
84347544
n×5
105434430
n÷2
10543443
n÷3
7028962
n÷3
5271721.5
n÷5
4217377.2
n2
444656761176996
n3
9.3764264320685E+21
n4
1.9771963526042E+29
n5
4.169291408698E+36
2 √n
4592.0459492475
3 √n
276.27238914107
4 √n
67.764636420831
5 √n
29.16100517964
1 , 2 , 3 , 6 , 29 , 58 , 87 , 174 , 121189 , 242378 , 363567 , 727134 , 3514481 , 7028962 , 10543443 , 21086886
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
-21086885
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 21086886 can be divided by 16 positive divisors.
The sum of these divisors (counting 21086886) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011100001010100110
3
Ternary
1110200022202210
4
Quaternary
1100130022212
5
Quinary
20344240021
6
Senary
2031544250
8
Octal
120341246
10
Decimal
21086886
12
Duodecimal
708b086
16
Hexadecimal
141c2a6
20
Vigesimal
6bfh46
36
Base36
cjyqu
md5
45cb0cd41156aa506c3a295af852ce49
sha1
cb16b1f4e035d927bce0605584401ced74445e5c
sha256
beee1be56e66b2241951559c608445f93c5d0d08b2d60695b28e4ce86dd3b4ad
sha512
92d0a6e5e43017f9b77a0cc4252fc3afcac2cdcaf6e75525e5d8bd3d5c3c4329db832b308ca4b85fa535c9a63a5ea1d6d96e3010c3b3a6191f1cd0c1b40c1004
ripemd-160
87524da3343a80bb169934d84dd383ec1511ed36
Diameter
42173772
Circumference
132492812.28937
Area
1.3969304142827E+15
Volume
3.9275883194549E+22
Surface area
5.5877216571307E+15
Circumference
132492812.28937
Perimeter
84347544
Area
444656761176996
Diagonal
29821360.169415
Surface area
2667940567061976
Volume
9.3764264320685E+21
Space diagonal
36523557.925413
Perimeter
63260658
Area
1.9254202557189E+14
Altitude
18261778.962706
Surface area
1.9254202557189E+14
Volume
1.1050224522354E+21
Height
9940453.3898051