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 5 prime factors and 32 positive divisors.
There are 14370048 positive integers (up to 21082685) that are relatively prime to 21082685.
21082685 has 32 divisors, whose sum is 29420160
The reverse of 21082685 is 58628012
Previous prime number is 19
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
5 × 43 × 13 × 19 × 397
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21082685
Product of the distinct prime numbers
The prime factorization of 21082685 is 5 × 43 × 13 × 19 × 397.
Since it has a total of 5 prime factors.
7 , 5 , 22 , 93 , 194 , 299 , 7483 , 1949 , 66712 , 39737 , 2482 , 108705 , 9771967 , 106508 , 99435165 , 30310944 , 901299310 , 438046205 , 7458394674 , 5934323305
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
1 , 5 , 13 , 19 , 43 , 65 , 95 , 215 , 247 , 397 , 559 , 817 , 1235 , 1985 , 2795 , 4085 , 5161 , 7543 , 10621 , 17071 , 25805 , 37715 , 53105 , 85355 , 98059 , 221923 , 324349 , 490295 , 1109615 , 1621745 , 4216537 , 21082685
32 divisors
τ
Total Divisors
32
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
0.03125
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
32
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 32 positive divisors.
The sum of these divisors (counting 21082685) is 1, the average is 0.03125.
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