21031782 is an even 8-digits composite number following 21031781
and preceding 21031783 . In scientific notation, it is written as 2.1031782 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 7010592 positive integers (up to 21031782) that are relatively prime to 21031782.
21031782 has 8 divisors, whose sum is 42063576
The reverse of 21031782 is 28713012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million thirty-one thousand seven hundred eighty-two
Scientific notation
2.1031782 × 10^7
Engineering notation
2.1031782 × 10^6
Prime Factorization
2 × 3 × 3505297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031782
Product of the distinct prime numbers
The prime factorization of 21031782 is 2 × 3 × 3505297.
Since it has a total of 3 prime factors.
2 , 4 , 88 , 37 , 447 , 2 , 262 , 3602 , 80842 , 83286 , 51750 , 59468 , 5360987 , 3017675 , 63160982 , 97325929 , 412212384 , 688692819 , 6401051387 , 874201599
n×2
42063564
n×3
63095346
n×4
84127128
n×5
105158910
n÷2
10515891
n÷3
7010594
n÷3
5257945.5
n÷5
4206356.4
n2
442335854095524
n3
9.3031112541209E+21
n4
1.9566100781842E+29
n5
4.1150996623372E+36
2 √n
4586.0420844122
3 √n
276.03152863934
4 √n
67.720322536239
5 √n
29.145748585489
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
-21031781
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 21031782 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031782) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101101100110
3
Ternary
1110120112011220
4
Quaternary
1100032231212
5
Quinary
20341004112
6
Senary
2030441210
8
Octal
120165546
10
Decimal
21031782
12
Duodecimal
7063206
16
Hexadecimal
140eb66
20
Vigesimal
6b8j92
36
Base36
cis86
md5
fe884b91a088f2c60aba3a36ae085147
sha1
38a5919149e1e70c94428e695136e26ebeec5f07
sha256
a296098b73d5d2f41110089c3180661396f80464765ef355b829cbca9a0a44e7
sha512
ea5a8c2fb7ab38b9bf8a1eacfbcbb96b46c9cc6d9274f8836e6f1b69570ae85549725fec88c719006dcf51e1c076ba8c66aab24e9056e1591dd2268b954de982
ripemd-160
0c586e17a2d8466971876aae264a97df92bc7b9f
Diameter
42063564
Circumference
132146583.6462
Area
1.3896390696459E+15
Volume
3.89687812953E+22
Surface area
5.5585562785835E+15
Circumference
132146583.6462
Perimeter
84127128
Area
442335854095524
Diagonal
29743431.345274
Surface area
2654015124573144
Volume
9.3031112541209E+21
Space diagonal
36428114.997713
Perimeter
63095346
Area
1.9153704332571E+14
Altitude
18214057.498856
Surface area
1.9153704332571E+14
Volume
1.0963821756536E+21
Height
9914477.1150914