21043902 is an even 8-digits composite number following 21043901
and preceding 21043903 . In scientific notation, it is written as 2.1043902 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6271200 positive integers (up to 21043902) that are relatively prime to 21043902.
21043902 has 16 divisors, whose sum is 33061872
The reverse of 21043902 is 20934012
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million forty-three thousand nine hundred two
Scientific notation
2.1043902 × 10^7
Engineering notation
2.1043902 × 10^6
Prime Factorization
2 × 33 × 61 × 5227
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21043902
Product of the distinct prime numbers
The prime factorization of 21043902 is 2 × 33 × 61 × 5227.
Since it has a total of 4 prime factors.
6 , 2 , 46 , 81 , 40 , 807 , 6692 , 1262 , 35441 , 40226 , 471722 , 993906 , 2831508 , 8110092 , 9001178 , 18739722 , 436048282 , 193394343 , 6877978847 , 9000350487
n×2
42087804
n×3
63131706
n×4
84175608
n×5
105219510
n÷2
10521951
n÷3
7014634
n÷3
5260975.5
n÷5
4208780.4
n2
442845811385604
n3
9.3192038559091E+21
n4
1.9611241266177E+29
n5
4.1269703930379E+36
2 √n
4587.3632949659
3 √n
276.08454141931
4 √n
67.730076738225
5 √n
29.149106979702
1 , 2 , 33 , 61 , 66 , 122 , 2013 , 4026 , 5227 , 10454 , 172491 , 318847 , 344982 , 637694 , 10521951 , 21043902
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
-21043901
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 21043902 can be divided by 16 positive divisors.
The sum of these divisors (counting 21043902) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010001101010111110
3
Ternary
1110121010210210
4
Quaternary
1100101222332
5
Quinary
20341401102
6
Senary
2031013250
8
Octal
120215276
10
Decimal
21043902
12
Duodecimal
706a226
16
Hexadecimal
1411abe
20
Vigesimal
6ba9f2
36
Base36
cj1ku
md5
b4dc25249a50e09965acb159461f1d40
sha1
bf465a94cc29ab797185a177e633c1df78943421
sha256
2a5d2ad45428dff190d127d6403c00c7be213f6d0f4fbcbb5c1c899db08f9426
sha512
e2e384ad0cb57969c9661cbf1e57417ff4e9fdf657678bab21b57f2f18e9b87d7926db72b0d39af110e0c6eedb449179a978674320a8e76081bf4bd092259ab1
ripemd-160
9dbca0e00f76453a69e4d0761c27954a5f09f7d0
Diameter
42087804
Circumference
132222735.85213
Area
1.391241147722E+15
Volume
3.903618982804E+22
Surface area
5.5649645908881E+15
Circumference
132222735.85213
Perimeter
84175608
Area
442845811385604
Diagonal
29760571.61365
Surface area
2657074868313624
Volume
9.3192038559091E+21
Space diagonal
36449107.4535
Perimeter
63131706
Area
1.9175786130973E+14
Altitude
18224553.72675
Surface area
1.9175786130973E+14
Volume
1.0982787069622E+21
Height
9920190.5378834