21131775 is an odd 8-digits composite number following 21131774
and preceding 21131776 . In scientific notation, it is written as 2.1131775 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 9659520 positive integers (up to 21131775) that are relatively prime to 21131775.
21131775 has 16 divisors, whose sum is 27909440
The reverse of 21131775 is 57713112
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred thirty-one thousand seven hundred seventy-five
Scientific notation
2.1131775 × 10^7
Engineering notation
2.1131775 × 10^6
Prime Factorization
9 × 7 × 25 × 13417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21131775
Product of the distinct prime numbers
The prime factorization of 21131775 is 9 × 7 × 25 × 13417.
Since it has a total of 4 prime factors.
8 , 8 , 10 , 51 , 306 , 975 , 8666 , 295 , 87140 , 31789 , 759778 , 47837 , 8084193 , 4911176 , 29305202 , 14653693 , 93132045 , 738692085 , 3521767591 , 4385915023
n×2
42263550
n×3
63395325
n×4
84527100
n×5
105658875
n÷2
10565887.5
n÷3
7043925
n÷3
5282943.75
n÷5
4226355
n2
446551914650625
n3
9.4364345862162E+21
n4
1.9940861247814E+29
n5
4.2138579319502E+36
2 √n
4596.9310414667
3 √n
276.46828975357
4 √n
67.800671393923
5 √n
29.173409999918
1 , 7 , 9 , 25 , 63 , 175 , 225 , 1575 , 13417 , 93919 , 120753 , 335425 , 845271 , 2347975 , 3018825 , 21131775
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
-21131774
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 21131775 can be divided by 16 positive divisors.
The sum of these divisors (counting 21131775) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111000111111111
3
Ternary
1110202121100100
4
Quaternary
1100213013333
5
Quinary
20402204100
6
Senary
2032532143
8
Octal
120470777
10
Decimal
21131775
12
Duodecimal
70b1053
16
Hexadecimal
14271ff
20
Vigesimal
6c198f
36
Base36
ckxdr
md5
017dcd142f939df3fc7e5cffa97f5449
sha1
6e824a46306d369a6c6cb8ef5b9f01199c03b1a0
sha256
2a83bda4a239487786b642112bd2a4e8fc071fd9b48e7c9bbb305ee1fecda951
sha512
7ad22453f9e9996e821551f7d320fe8300dda2f9ae78ccd9e7b598c8ad11a46876f0b088f28cfbe8a16c93274f441c8405173379e2605615e6cfb4983324ea07
ripemd-160
05ed9a672d20c3d26d15b114e315088c4096d886
Diameter
42263550
Circumference
132774858.19462
Area
1.4028842145129E+15
Volume
3.952724476285E+22
Surface area
5.6115368580514E+15
Circumference
132774858.19462
Perimeter
84527100
Area
446551914650625
Diagonal
29884842.802017
Surface area
2679311487903750
Volume
9.4364345862162E+21
Space diagonal
36601307.954114
Perimeter
63395325
Area
1.9336265109801E+14
Altitude
18300653.977057
Surface area
1.9336265109801E+14
Volume
1.1120944810228E+21
Height
9961614.2673389