21885429 is an odd 8-digits composite number following 21885428
and preceding 21885430 . In scientific notation, it is written as 2.1885429 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 14590284 positive integers (up to 21885429) that are relatively prime to 21885429.
21885429 has 4 divisors, whose sum is 29180576
The reverse of 21885429 is 92458812
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million eight hundred eighty-five thousand four hundred twenty-nine
Scientific notation
2.1885429 × 10^7
Engineering notation
2.1885429 × 10^6
Prime Factorization
3 × 7295143
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21885429
Product of the distinct prime numbers
The prime factorization of 21885429 is 3 × 7295143.
Since it has a total of 2 prime factors.
5 , 2 , 22 , 82 , 533 , 461 , 6449 , 3446 , 95417 , 51774 , 168815 , 91098 , 5913396 , 5602329 , 19619310 , 52807785 , 486925702 , 9328987 , 6441954953 , 6168183130
n×2
43770858
n×3
65656287
n×4
87541716
n×5
109427145
n÷2
10942714.5
n÷3
7295143
n÷3
5471357.25
n÷5
4377085.8
n2
478972002514041
n3
1.0482507754009E+22
n4
2.2941417919231E+29
n5
5.0208277303066E+36
2 √n
4678.1865076117
3 √n
279.71667343807
4 √n
68.397269737992
5 √n
29.378594360182
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
-21885428
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 21885429 can be divided by 4 positive divisors.
The sum of these divisors (counting 21885429) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011111000111110101
3
Ternary
1112011220011110
4
Quaternary
1103133013311
5
Quinary
21100313204
6
Senary
2101025233
8
Octal
123370765
10
Decimal
21885429
12
Duodecimal
73b5219
16
Hexadecimal
14df1f5
20
Vigesimal
6gfdb9
36
Base36
d12wl
md5
d9b204e6d2111ec5af1e11e18d32f8a8
sha1
95f2a570acb4840df92588b9ed076a24efa4e176
sha256
326141921f01ad163b463c52bff7c478c16fced4429656ebf323163f0430049b
sha512
7d04157ff77e62359664e53423fdd0b02d43abc97b9bc04eb1a12ac5537e25cf9bebec7c92114e0d673d774bfc794dd8f9c3fb3192a5a6561238351a453c33c4
ripemd-160
b4c5ba90bf6318d25b06e80d5d4c8700b8b9f07c
Diameter
43770858
Circumference
137510205.93412
Area
1.5047349243733E+15
Volume
4.390902580159E+22
Surface area
6.0189396974932E+15
Circumference
137510205.93412
Perimeter
87541716
Area
478972002514041
Diagonal
30950670.510153
Surface area
2873832015084246
Volume
1.0482507754009E+22
Space diagonal
37906674.973441
Perimeter
65656287
Area
2.0740096093933E+14
Altitude
18953337.486721
Surface area
2.0740096093933E+14
Volume
1.2353753861167E+21
Height
10316890.170051