21086029 is an odd 8-digits composite number following 21086028
and preceding 21086030 . In scientific notation, it is written as 2.1086029 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 19976220 positive integers (up to 21086029) that are relatively prime to 21086029.
21086029 has 4 divisors, whose sum is 22195840
The reverse of 21086029 is 92068012
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eighty-six thousand twenty-nine
Scientific notation
2.1086029 × 10^7
Engineering notation
2.1086029 × 10^6
Prime Factorization
19 × 1109791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21086029
Product of the distinct prime numbers
The prime factorization of 21086029 is 19 × 1109791.
Since it has a total of 2 prime factors.
8 , 5 , 70 , 52 , 115 , 44 , 1217 , 2668 , 18974 , 18622 , 593678 , 820724 , 6668093 , 3311403 , 55067915 , 60249195 , 576234757 , 611938132 , 1544126589 , 2587176870
n×2
42172058
n×3
63258087
n×4
84344116
n×5
105430145
n÷2
10543014.5
n÷3
7028676.3333333
n÷3
5271507.25
n÷5
4217205.8
n2
444620618988841
n3
9.3752832659967E+21
n4
1.9768749483002E+29
n5
4.1684442489232E+36
2 √n
4591.9526347731
3 √n
276.26864639396
4 √n
67.763947898371
5 √n
29.160768147129
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
-21086028
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 21086029 can be divided by 4 positive divisors.
The sum of these divisors (counting 21086029) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011011111101001101
3
Ternary
1110200021121001
4
Quaternary
1100123331031
5
Quinary
20344223104
6
Senary
2031540301
8
Octal
120337515
10
Decimal
21086029
12
Duodecimal
708a691
16
Hexadecimal
141bf4d
20
Vigesimal
6bff19
36
Base36
cjy31
md5
2269666d7cddaf9110e3b0136b7b6e50
sha1
59ff033eb46f9705fecba4afbfa8dd719127d608
sha256
020c887bf0bea3ec05feb83a8cfaf5818bf859b0e3777b0379c206215212d28d
sha512
3bf1d69b22785f3dcd59b5dccf22ccfc03f0a7b1bdebdc7bfe045503c131fde30563f35e7a7f7a83113e00a290c9039170a6e71a4801f1babea80a6b12168543
ripemd-160
b8dbda0b61062b9fd169a6273ca36f2f609bf483
Diameter
42172058
Circumference
132487427.59956
Area
1.3968168702499E+15
Volume
3.9271094711705E+22
Surface area
5.5872674809996E+15
Circumference
132487427.59956
Perimeter
84344116
Area
444620618988841
Diagonal
29820148.188392
Surface area
2667723713933046
Volume
9.3752832659967E+21
Space diagonal
36522073.557871
Perimeter
63258087
Area
1.9252637554535E+14
Altitude
18261036.778935
Surface area
1.9252637554535E+14
Volume
1.1048877288218E+21
Height
9940049.3961308