21018082 is an even 8-digits composite number following 21018081
and preceding 21018083 . In scientific notation, it is written as 2.1018082 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 10450800 positive integers (up to 21018082) that are relatively prime to 21018082.
21018082 has 8 divisors, whose sum is 31701852
The reverse of 21018082 is 28081012
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million eighteen thousand eighty-two
Scientific notation
2.1018082 × 10^7
Engineering notation
2.1018082 × 10^6
Prime Factorization
2 × 181 × 58061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21018082
Product of the distinct prime numbers
The prime factorization of 21018082 is 2 × 181 × 58061.
Since it has a total of 3 prime factors.
3 , 8 , 35 , 66 , 224 , 794 , 2814 , 4717 , 539 , 23478 , 78412 , 675384 , 640293 , 7481749 , 57888513 , 26077456 , 968625519 , 113181689 , 7401139632 , 7421736570
n×2
42036164
n×3
63054246
n×4
84072328
n×5
105090410
n÷2
10509041
n÷3
7006027.3333333
n÷3
5254520.5
n÷5
4203616.4
n2
441759770958724
n3
9.2849430903117E+21
n4
1.951516952375E+29
n5
4.1017143329409E+36
2 √n
4584.5481783923
3 √n
275.97158042459
4 √n
67.709291669551
5 √n
29.141950516108
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
-21018081
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 21018082 can be divided by 8 positive divisors.
The sum of these divisors (counting 21018082) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001011010111100010
3
Ternary
1110112211101111
4
Quaternary
1100023113202
5
Quinary
20340034312
6
Senary
2030253534
8
Octal
120132742
10
Decimal
21018082
12
Duodecimal
70572aa
16
Hexadecimal
140b5e2
20
Vigesimal
6b7542
36
Base36
cihnm
md5
2dfa785b0187a34d4e30a48a94373ea3
sha1
6ee2cb47ca9c03a906cb70a942f502edc525cae2
sha256
d8243b40e4d343cae815ec87872aa17add7269078ee4fe79e7e4240b12a34c2c
sha512
faab138427110ec4c39c618e963dcf134e175c11d0ec2583811cc162ec3b48a19624adea5abd1ab783b346ee0584dc2422a2c98748e15aaac3c0567ecb2936b4
ripemd-160
07e76f1331143b0e69456990fe93cb00cba6a3aa
Diameter
42036164
Circumference
132060504.0075
Area
1.3878292510954E+15
Volume
3.8892678668697E+22
Surface area
5.5513170043817E+15
Circumference
132060504.0075
Perimeter
84072328
Area
441759770958724
Diagonal
29724056.61947
Surface area
2650558625752344
Volume
9.2849430903117E+21
Space diagonal
36404385.901649
Perimeter
63054246
Area
1.9128759201013E+14
Altitude
18202192.950824
Surface area
1.9128759201013E+14
Volume
1.0942410370151E+21
Height
9908018.8731566