21031235 is an odd 8-digits composite number following 21031234
and preceding 21031236 . In scientific notation, it is written as 2.1031235 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 16244704 positive integers (up to 21031235) that are relatively prime to 21031235.
21031235 has 4 divisors, whose sum is 21176424
The reverse of 21031235 is 53213012
Previous prime number is 145
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million thirty-one thousand two hundred thirty-five
Scientific notation
2.1031235 × 10^7
Engineering notation
2.1031235 × 10^6
Prime Factorization
145 × 145043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031235
Product of the distinct prime numbers
The prime factorization of 21031235 is 145 × 145043.
Since it has a total of 2 prime factors.
5 , 5 , 11 , 20 , 149 , 586 , 890 , 97 , 26950 , 41666 , 391230 , 953874 , 803941 , 5253397 , 32243727 , 71450419 , 270143917 , 691049899 , 2267596722 , 70108202
n×2
42062470
n×3
63093705
n×4
84124940
n×5
105156175
n÷2
10515617.5
n÷3
7010411.6666667
n÷3
5257808.75
n÷5
4206247
n2
442312845625225
n3
9.3023853998628E+21
n4
1.9564065340508E+29
n5
4.1145645573159E+36
2 √n
4585.9824465429
3 √n
276.02913558558
4 √n
67.719882210049
5 √n
29.145596977886
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031234
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031235 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031235) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110100101000011
3
Ternary
1110120111102122
4
Quaternary
1100032211003
5
Quinary
20340444420
6
Senary
2030434455
8
Octal
120164503
10
Decimal
21031235
12
Duodecimal
7062a2b
16
Hexadecimal
140e943
20
Vigesimal
6b8i1f
36
Base36
cirsz
md5
278173a6342245a59f6a0fe19548c12f
sha1
1b88e434a80b246484633abf85e4d62291596a8a
sha256
bf6c55ea13be52660e455381dbe602cedf11c262ecdc85d39e151c1dfc6e6ff4
sha512
9998700e606a955360e49779fb55f80315bc4599df5fe11c6b6df3624d7ca8230a718255f1c10da704676eedf82dd9c8b26a2c81bff6d525817ee7c495b6268a
ripemd-160
f37ca8a4e240d79559393facaa9f11843664252e
Diameter
42062470
Circumference
132143146.74384
Area
1.3895667864046E+15
Volume
3.8965740844093E+22
Surface area
5.5582671456184E+15
Circumference
132143146.74384
Perimeter
84124940
Area
442312845625225
Diagonal
29742657.770456
Surface area
2653877073751350
Volume
9.3023853998628E+21
Space diagonal
36427167.565921
Perimeter
63093705
Area
1.9152708036581E+14
Altitude
18213583.78296
Surface area
1.9152708036581E+14
Volume
1.096296632909E+21
Height
9914219.2568186