21085736 is an even 8-digits composite number following 21085735
and preceding 21085737 . In scientific notation, it is written as 2.1085736 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 9036720 positive integers (up to 21085736) that are relatively prime to 21085736.
21085736 has 16 divisors, whose sum is 45183840
The reverse of 21085736 is 63758012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-five thousand seven hundred thirty-six
Scientific notation
2.1085736 × 10^7
Engineering notation
2.1085736 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 376531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5271434
Product of the distinct prime numbers
The prime factorization of 21085736 is 2 × 2 × 2 × 7 × 376531.
Since it has a total of 5 prime factors.
1 , 3 , 45 , 42 , 56 , 212 , 1762 , 4718 , 573 , 93360 , 476498 , 246895 , 8566249 , 2301518 , 20181394 , 6271022 , 675014275 , 438632628 , 4653504991 , 755238702
n×2
42171472
n×3
63257208
n×4
84342944
n×5
105428680
n÷2
10542868
n÷3
7028578.6666667
n÷3
5271434
n÷5
4217147.2
n2
444608262661696
n3
9.3748924499032E+21
n4
1.9767650722705E+29
n5
4.1681546447917E+36
2 √n
4591.9207310231
3 √n
276.26736676171
4 √n
67.763712494396
5 √n
29.160687106241
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 376531 , 753062 , 1506124 , 2635717 , 3012248 , 5271434 , 10542868 , 21085736
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
-21085735
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 21085736 can be divided by 16 positive divisors.
The sum of these divisors (counting 21085736) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011111000101000
3
Ternary
1110200021012012
4
Quaternary
1100123320220
5
Quinary
20344220421
6
Senary
2031535052
8
Octal
120337050
10
Decimal
21085736
12
Duodecimal
708a488
16
Hexadecimal
141be28
20
Vigesimal
6bfe6g
36
Base36
cjxuw
md5
99d5f375ddc3b75f30777b48d1e3548d
sha1
ba645646f7f64068d27a082f71e9da0992674cc6
sha256
85ce5f25f967e724431564614dded487421d3577452c86ce0bd37150073e418c
sha512
7a993443a937dcf79f9f93e8341bb5de935fca5b869907d0feab83c6b578b6a117c1706208344b949a7094dbf4a7704c6ab7ec554370fdd0192fc3d3c785f129
ripemd-160
b7ee59bb740d50e7551b64ad704d0fb3f24a56b1
Diameter
42171472
Circumference
132485586.62627
Area
1.3967780517033E+15
Volume
3.926945766508E+22
Surface area
5.5871122068132E+15
Circumference
132485586.62627
Perimeter
84342944
Area
444608262661696
Diagonal
29819733.823819
Surface area
2667649575970176
Volume
9.3748924499032E+21
Space diagonal
36521566.066984
Perimeter
63257208
Area
1.9252102509875E+14
Altitude
18260783.033492
Surface area
1.9252102509875E+14
Volume
1.1048416707035E+21
Height
9939911.2746062