21093791 is an odd 8-digits composite number following 21093790
and preceding 21093792 . In scientific notation, it is written as 2.1093791 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 21063000 positive integers (up to 21093791) that are relatively prime to 21093791.
21093791 has 4 divisors, whose sum is 21124584
The reverse of 21093791 is 19739012
Previous prime number is 701
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million ninety-three thousand seven hundred ninety-one
Scientific notation
2.1093791 × 10^7
Engineering notation
2.1093791 × 10^6
Prime Factorization
701 × 30091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21093791
Product of the distinct prime numbers
The prime factorization of 21093791 is 701 × 30091.
Since it has a total of 2 prime factors.
3 , 5 , 99 , 47 , 754 , 612 , 3706 , 3771 , 50359 , 46953 , 507192 , 159553 , 7865241 , 6814497 , 64535059 , 31215498 , 934461726 , 460433971 , 5124162089 , 7120336278
n×2
42187582
n×3
63281373
n×4
84375164
n×5
105468955
n÷2
10546895.5
n÷3
7031263.6666667
n÷3
5273447.75
n÷5
4218758.2
n2
444948018751681
n3
9.385640513412E+21
n4
1.9797873939105E+29
n5
4.1761221511582E+36
2 √n
4592.7977312309
3 √n
276.30254141455
4 √n
67.770183201987
5 √n
29.162914711203
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
-21093790
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 21093791 can be divided by 4 positive divisors.
The sum of these divisors (counting 21093791) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011101110110011111
3
Ternary
1110200200020112
4
Quaternary
1100131312133
5
Quinary
20400000131
6
Senary
2032040235
8
Octal
120356637
10
Decimal
21093791
12
Duodecimal
709307b
16
Hexadecimal
141dd9f
20
Vigesimal
6bge9b
36
Base36
ck42n
md5
19a877eef81cbd7bb0c6ed7964959d34
sha1
920ed63ca9de59ba6f0f3a08f117c8d2e2119db8
sha256
ace0f51f391698beea03b737e042bdddac9b72ff404b179507efb2d98a34ed3f
sha512
b7f3e73acac2d8e1998ad38de73b11017313e20d9fee333be5030c442e376c19655beacc1b3e80617a7052a53c3c275c77f6f400bf2e41c4da9c46a94155da46
ripemd-160
66e0208d3aac1df3069c41408384f487cdcc0495
Diameter
42187582
Circumference
132536197.68392
Area
1.3978454269396E+15
Volume
3.9314479048227E+22
Surface area
5.5913817077585E+15
Circumference
132536197.68392
Perimeter
84375164
Area
444948018751681
Diagonal
29831125.314064
Surface area
2669688112510086
Volume
9.385640513412E+21
Space diagonal
36535517.736239
Perimeter
63281373
Area
1.9266814380126E+14
Altitude
18267758.86812
Surface area
1.9266814380126E+14
Volume
1.1061083421355E+21
Height
9943708.4380212