21082685 is an odd 8-digits composite number following 21082684
and preceding 21082686 . In scientific notation, it is written as 2.1082685 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 14370048 positive integers (up to 21082685) that are relatively prime to 21082685.
21082685 has 8 divisors, whose sum is 21396480
The reverse of 21082685 is 58628012
Previous prime number is 559
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-two thousand six hundred eighty-five
Scientific notation
2.1082685 × 10^7
Engineering notation
2.1082685 × 10^6
Prime Factorization
95 × 559 × 397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21082685
Product of the distinct prime numbers
The prime factorization of 21082685 is 95 × 559 × 397.
Since it has a total of 3 prime factors.
6 , 3 , 36 , 20 , 354 , 370 , 4532 , 1355 , 72417 , 13987 , 940789 , 479006 , 4531057 , 5698349 , 55605640 , 29406754 , 608262062 , 824065596 , 7336257879 , 6158206303
n×2
42165370
n×3
63248055
n×4
84330740
n×5
105413425
n÷2
10541342.5
n÷3
7027561.6666667
n÷3
5270671.25
n÷5
4216537
n2
444479606809225
n3
9.3708235392827E+21
n4
1.9756212086928E+29
n5
4.165139962219E+36
2 √n
4591.5885050819
3 √n
276.25404128592
4 √n
67.761261094241
5 √n
29.159843176429
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21082684
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082685 can be divided by 8 positive divisors.
The sum of these divisors (counting 21082685) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011001000111101
3
Ternary
1110200010000012
4
Quaternary
1100123020331
5
Quinary
20344121220
6
Senary
2031513005
8
Octal
120331075
10
Decimal
21082685
12
Duodecimal
7088765
16
Hexadecimal
141b23d
20
Vigesimal
6bf6e5
36
Base36
cjvi5
md5
2b4325c211248d94e7700e8c3273f6f0
sha1
d2226a29c45ef63bf6cc981944fce6ece577f92d
sha256
eafdefa115963fa64bc8c787e66e507de5188a7df090075b59cb9bc8992cdd56
sha512
65413910639c49017ee89290c18f0f91fc9d3f7cd1cbf8995125aeac15215a33677103aded10564d413ec5f004fc3a41f09ccf698f1dafa1b95df2cfa833da65
ripemd-160
82058adbb277e0d831abb0b077346df7679053be
Diameter
42165370
Circumference
132466416.6279
Area
1.3963738674223E+15
Volume
3.9252413852129E+22
Surface area
5.5854954696894E+15
Circumference
132466416.6279
Perimeter
84330740
Area
444479606809225
Diagonal
29815419.05824
Surface area
2666877640855350
Volume
9.3708235392827E+21
Space diagonal
36516281.57997
Perimeter
63248055
Area
1.9246531548045E+14
Altitude
18258140.789985
Surface area
1.9246531548045E+14
Volume
1.1043621449882E+21
Height
9938473.0194133