21050894 is an even 8-digits composite number following 21050893
and preceding 21050895 . In scientific notation, it is written as 2.1050894 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10525446 positive integers (up to 21050894) that are relatively prime to 21050894.
21050894 has 4 divisors, whose sum is 31576344
The reverse of 21050894 is 49805012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million fifty thousand eight hundred ninety-four
Scientific notation
2.1050894 × 10^7
Engineering notation
2.1050894 × 10^6
Prime Factorization
2 × 10525447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21050894
Product of the distinct prime numbers
The prime factorization of 21050894 is 2 × 10525447.
Since it has a total of 2 prime factors.
5 , 5 , 76 , 52 , 240 , 744 , 6084 , 763 , 59891 , 57473 , 232576 , 382345 , 9125427 , 7275308 , 83874539 , 40065307 , 215065991 , 253661933 , 3323044894 , 7399851564
n×2
42101788
n×3
63152682
n×4
84203576
n×5
105254470
n÷2
10525447
n÷3
7016964.6666667
n÷3
5262723.5
n÷5
4210178.8
n2
443140138199236
n3
9.3284960763775E+21
n4
1.9637318208324E+29
n5
4.1338310404769E+36
2 √n
4588.1253252282
3 √n
276.11511511168
4 √n
67.735701998489
5 √n
29.15104372579
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
-21050893
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 21050894 can be divided by 4 positive divisors.
The sum of these divisors (counting 21050894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010011011000001110
3
Ternary
1110121111101202
4
Quaternary
1100103120032
5
Quinary
20342112034
6
Senary
2031105502
8
Octal
120233016
10
Decimal
21050894
12
Duodecimal
7072292
16
Hexadecimal
141360e
20
Vigesimal
6bb74e
36
Base36
cj6z2
md5
2636201d50ba7b91697743af52f346f6
sha1
a40e1b62391f0a53bb070524352ce8370b0212cc
sha256
fc0206b865498ea4a81f3218864875b68beafe977735e95a277000ee6b4cbfa6
sha512
200d176509bdbb234f8bf76a6b78915b8b6ade01af46a40ebe65564565a3791ad1acbd8d1d4ebc36b298d0cf4a7a8178c59e5bd59f7076470cce671c27e9bc4b
ripemd-160
db8bc1241c7199bc3b0442e884e5caf44ac4a93e
Diameter
42101788
Circumference
132266667.88379
Area
1.3921658026775E+15
Volume
3.9075112990118E+22
Surface area
5.5686632107099E+15
Circumference
132266667.88379
Perimeter
84203576
Area
443140138199236
Diagonal
29770459.794878
Surface area
2658840829195416
Volume
9.3284960763775E+21
Space diagonal
36461217.952747
Perimeter
63152682
Area
1.9188530855854E+14
Altitude
18230608.976373
Surface area
1.9188530855854E+14
Volume
1.0993738056464E+21
Height
9923486.5982928