21092085 is an odd 8-digits composite number following 21092084
and preceding 21092086 . In scientific notation, it is written as 2.1092085 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 9641952 positive integers (up to 21092085) that are relatively prime to 21092085.
21092085 has 16 divisors, whose sum is 34283520
The reverse of 21092085 is 58029012
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million ninety-two thousand eighty-five
Scientific notation
2.1092085 × 10^7
Engineering notation
2.1092085 × 10^6
Prime Factorization
7 × 3 × 15 × 66959
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21092085
Product of the distinct prime numbers
The prime factorization of 21092085 is 7 × 3 × 15 × 66959.
Since it has a total of 4 prime factors.
3 , 10 , 75 , 88 , 278 , 179 , 783 , 5282 , 8648 , 98408 , 701400 , 598077 , 4518068 , 2125889 , 26724636 , 85276544 , 932481620 , 832723788 , 6032352149 , 2878236700
n×2
42184170
n×3
63276255
n×4
84368340
n×5
105460425
n÷2
10546042.5
n÷3
7030695
n÷3
5273021.25
n÷5
4218417
n2
444876049647225
n3
9.3833634536235E+21
n4
1.9791469954972E+29
n5
4.1744336656522E+36
2 √n
4592.6120019004
3 √n
276.29509238459
4 √n
67.768812900186
5 √n
29.162442974832
1 , 3 , 7 , 15 , 21 , 45 , 105 , 315 , 66959 , 200877 , 468713 , 1004385 , 1406139 , 3013155 , 7030695 , 21092085
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
-21092084
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 21092085 can be divided by 16 positive divisors.
The sum of these divisors (counting 21092085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011101011011110101
3
Ternary
1110200120220100
4
Quaternary
1100131123311
5
Quinary
20344421320
6
Senary
2032024313
8
Octal
120353365
10
Decimal
21092085
12
Duodecimal
7092099
16
Hexadecimal
141d6f5
20
Vigesimal
6bga45
36
Base36
ck2r9
md5
11e19393588363f224e5df28ea1ca799
sha1
0b4a87f303acb5c57bd4629e2370678478c80acd
sha256
f31dd5717a889a835e70bb67a5577c2ee325db4d9a4098aed1e8754421202d31
sha512
4de63061287ff1e6196ee6e9c70bdf6fa609f0ff514f4d6d4108c3d562a4c28a7bbd2182ad2ac05c07518a3051550885c9c3263dccf4bdfa4d565daa9ec6b95a
ripemd-160
9121b9907dbb67178f8419b0763dc30aa377e4ac
Diameter
42184170
Circumference
132525478.56978
Area
1.3976193293298E+15
Volume
3.9304940922489E+22
Surface area
5.5904773173191E+15
Circumference
132525478.56978
Perimeter
84368340
Area
444876049647225
Diagonal
29828712.665726
Surface area
2669256297883350
Volume
9.3833634536235E+21
Space diagonal
36532562.857561
Perimeter
63276255
Area
1.9263698026488E+14
Altitude
18266281.428781
Surface area
1.9263698026488E+14
Volume
1.1058399880659E+21
Height
9942904.2219087