21031775 is an odd 8-digits composite number following 21031774
and preceding 21031776 . In scientific notation, it is written as 2.1031775 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 15855840 positive integers (up to 21031775) that are relatively prime to 21031775.
21031775 has 24 divisors, whose sum is 27617280
The reverse of 21031775 is 57713012
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million thirty-one thousand seven hundred seventy-five
Scientific notation
2.1031775 × 10^7
Engineering notation
2.1031775 × 10^6
Prime Factorization
5 × 5 × 23 × 79 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4206355
Product of the distinct prime numbers
The prime factorization of 21031775 is 5 × 5 × 23 × 79 × 463.
Since it has a total of 5 prime factors.
10 , 6 , 13 , 97 , 480 , 28 , 9025 , 2210 , 27035 , 60873 , 544994 , 893110 , 8397644 , 4354008 , 64253362 , 16743261 , 488174697 , 80043894 , 9401488916 , 8560647241
n×2
42063550
n×3
63095325
n×4
84127100
n×5
105158875
n÷2
10515887.5
n÷3
7010591.6666667
n÷3
5257943.75
n÷5
4206355
n2
442335559650625
n3
9.303101965071E+21
n4
1.9566074733143E+29
n5
4.1150928142065E+36
2 √n
4586.0413212268
3 √n
276.03149801551
4 √n
67.720316901406
5 √n
29.145746645375
1 , 5 , 23 , 25 , 79 , 115 , 395 , 463 , 575 , 1817 , 1975 , 2315 , 9085 , 10649 , 11575 , 36577 , 45425 , 53245 , 182885 , 266225 , 841271 , 914425 , 4206355 , 21031775
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031775 can be divided by 24 positive divisors.
The sum of these divisors (counting 21031775) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001110101101011111
3
Ternary
1110120112011122
4
Quaternary
1100032231133
5
Quinary
20341004100
6
Senary
2030441155
8
Octal
120165537
10
Decimal
21031775
12
Duodecimal
70631bb
16
Hexadecimal
140eb5f
20
Vigesimal
6b8j8f
36
Base36
cis7z
md5
e8fafd863105e4b8fbab76147d35220d
sha1
81e5ce9b0a82e8d0771d460389c604e1068c5ba2
sha256
7850039ce77fb6be292ce51696d497b4c7f720b2e30bd177d3ac2cb6f5e5a777
sha512
a43211794a93906c0bd80cc6543fd7c49c3aa342aefe50a95644297ac5b12e3e518129dd52cb4606ba72895cb890b19987e3bdf433c2f9d59a64c4d859aae1d8
ripemd-160
510c364ca9d3cedffb44ad08cae10e1f4308196c
Diameter
42063550
Circumference
132146539.66391
Area
1.3896381446199E+15
Volume
3.8968742385419E+22
Surface area
5.5585525784797E+15
Circumference
132146539.66391
Perimeter
84127100
Area
442335559650625
Diagonal
29743421.445779
Surface area
2654013357903750
Volume
9.303101965071E+21
Space diagonal
36428102.873357
Perimeter
63095325
Area
1.9153691582732E+14
Altitude
18214051.436678
Surface area
1.9153691582732E+14
Volume
1.0963810809286E+21
Height
9914473.8152598