21071738 is an even 8-digits composite number following 21071737
and preceding 21071739 . In scientific notation, it is written as 2.1071738 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9886656 positive integers (up to 21071738) that are relatively prime to 21071738.
21071738 has 16 divisors, whose sum is 33566400
The reverse of 21071738 is 83717012
Previous prime number is 443
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million seventy-one thousand seven hundred thirty-eight
Scientific notation
2.1071738 × 10^7
Engineering notation
2.1071738 × 10^6
Prime Factorization
2 × 17 × 443 × 1399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21071738
Product of the distinct prime numbers
The prime factorization of 21071738 is 2 × 17 × 443 × 1399.
Since it has a total of 4 prime factors.
2 , 6 , 17 , 18 , 385 , 910 , 8730 , 140 , 80024 , 43588 , 9308 , 395356 , 3592310 , 3684953 , 34477808 , 77655106 , 76782280 , 400742411 , 3866295155 , 7539658599
n×2
42143476
n×3
63215214
n×4
84286952
n×5
105358690
n÷2
10535869
n÷3
7023912.6666667
n÷3
5267934.5
n÷5
4214347.6
n2
444018142340644
n3
9.3562339626488E+21
n4
1.9715211072764E+29
n5
4.1543376233997E+36
2 √n
4590.3962791898
3 √n
276.20621884201
4 √n
67.752463270274
5 √n
29.156814348523
1 , 2 , 17 , 34 , 443 , 886 , 1399 , 2798 , 7531 , 15062 , 23783 , 47566 , 619757 , 1239514 , 10535869 , 21071738
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
-21071737
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 21071738 can be divided by 16 positive divisors.
The sum of these divisors (counting 21071738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011000011101111010
3
Ternary
1110122112222202
4
Quaternary
1100120131322
5
Quinary
20343243423
6
Senary
2031350202
8
Octal
120303572
10
Decimal
21071738
12
Duodecimal
7082362
16
Hexadecimal
141877a
20
Vigesimal
6bdj6i
36
Base36
cjn22
md5
489c4c9ac3207258020cca79bfdd76b3
sha1
eb80ed0ff7bcf7fd08adea4d30f69c3dda897174
sha256
1670103940c6acf1d2dc097884058cc955c584a12d1c7ee31ef8d50a7a9fce02
sha512
bc8fa756b8a5c10461b4e4876595ecd9a9102309f800552858ac06ca4d44dac3cd19bfd56363d58fd06c9c1d25a89d0c21e7320327980623911e94d5c6bcf387
ripemd-160
f6f7701b7e0cb13db7dfa4cee3498e370328a3eb
Diameter
42143476
Circumference
132397634.59834
Area
1.394924134038E+15
Volume
3.9191301176433E+22
Surface area
5.5796965361518E+15
Circumference
132397634.59834
Perimeter
84286952
Area
444018142340644
Diagonal
29799937.662373
Surface area
2664108854043864
Volume
9.3562339626488E+21
Space diagonal
36497320.81978
Perimeter
63215214
Area
1.9226549550409E+14
Altitude
18248660.40989
Surface area
1.9226549550409E+14
Volume
1.1026427468928E+21
Height
9933312.5541242