21347982 is an even 8-digits composite number following 21347981
and preceding 21347983 . In scientific notation, it is written as 2.1347982 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6741144 positive integers (up to 21347982) that are relatively prime to 21347982.
21347982 has 16 divisors, whose sum is 42947712
The reverse of 21347982 is 28974312
Previous prime number is 171
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
twenty-one million three hundred forty-seven thousand nine hundred eighty-two
Scientific notation
2.1347982 × 10^7
Engineering notation
2.1347982 × 10^6
Prime Factorization
2 × 3 × 171 × 20807
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
21347982 Product of the distinct prime numbers
The prime factorization of 21347982 is 2 × 3 × 171 × 20807.
Since it has a total of 4 prime factors.
2 , 1 , 67 , 81 , 294 , 344 , 7733 , 8558 , 33195 , 32326 , 588928 , 332435 , 8593633 , 5091777 , 14751734 , 12524561 , 822153414 , 93634180 , 5768052492 , 8278277286
n×2
42695964
n×3
64043946
n×4
85391928
n×5
106739910
n÷2
10673991
n÷3
7115994
n÷3
5336995.5
n÷5
4269596.4
n2
455736335472324
n3
9.7290510864091E+21
n4
2.0769560746974E+29
n5
4.4338820897431E+36
2 √n4620.3876460747
3 √n277.40797532979
4 √n67.973433384483
5 √n29.232863965036
1 , 2 , 3 , 6 , 171 , 342 , 513 , 1026 , 20807 , 41614 , 62421 , 124842 , 3557997 , 7115994 , 10673991 , 21347982
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
-21347981 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 21347982 can be divided by 16 positive divisors.
The sum of these divisors (counting 21347982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011011111010001110
3
Ternary
1111011120221000
4
Quaternary
1101123322032
5
Quinary
20431113412
6
Senary
2041321130
8
Octal
121337216
10
Decimal
21347982
12
Duodecimal
71961a6
16
Hexadecimal
145be8e
20
Vigesimal
6d89j2
36
Base36
cpk7i
md5
1ced8e1ac14d3aef1178e1456f38017e
sha1
0b6dfee731816407671a70ce846486dde4f5cceb
sha256
ee7b516d586904c44fa854943adf1285b80952415297840c4820fcc01fd0d539
sha512
3affd48b5c9ab7e2b0ff9e607bfade80423aaa8caf457f397f437ca285d4d81d4ffb17b5b15dfb28c751cd76c0a79b4b6abf016a99e758c40843796d7e108a07
ripemd-160
7abac9a1a387bb8a7c60a881b97dd399265bb26b
Diameter
42695964
Circumference
134133326.84033
Area
1.4317379234938E+15
Volume
4.0752953892617E+22
Surface area
5.7269516939751E+15
Circumference
134133326.84033
Perimeter
85391928
Area
455736335472324
Diagonal
30190605.673697
Surface area
2734418012833944
Volume
9.7290510864091E+21
Space diagonal
36975789.463066
Perimeter
64043946
Area
1.9733962197333E+14
Altitude
18487894.731533
Surface area
1.9733962197333E+14
Volume
1.146579666285E+21
Height
10063535.224566