21772912 is an even 8-digits composite number following 21772911
and preceding 21772913 . In scientific notation, it is written as 2.1772912 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 9028800 positive integers (up to 21772912) that are relatively prime to 21772912.
21772912 has 20 divisors, whose sum is 42386176
The reverse of 21772912 is 21927712
Previous prime number is 217
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million seven hundred seventy-two thousand nine hundred twelve
Scientific notation
2.1772912 × 10^7
Engineering notation
2.1772912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 217 × 6271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2721614
Product of the distinct prime numbers
The prime factorization of 21772912 is 2 × 2 × 2 × 2 × 217 × 6271.
Since it has a total of 6 prime factors.
1 , 8 , 87 , 96 , 99 , 101 , 3494 , 9500 , 94573 , 45850 , 560422 , 841789 , 860588 , 4079197 , 33118051 , 57655490 , 391842403 , 106415560 , 4081424413 , 2648509224
n×2
43545824
n×3
65318736
n×4
87091648
n×5
108864560
n÷2
10886456
n÷3
7257637.3333333
n÷3
5443228
n÷5
4354582.4
n2
474059696959744
n3
1.0321660064651E+22
n4
2.2473259628156E+29
n5
4.89308304237E+36
2 √n
4666.1453042099
3 √n
279.23649137299
4 √n
68.309189017363
5 √n
29.348323898433
1 , 2 , 4 , 8 , 16 , 217 , 434 , 868 , 1736 , 3472 , 6271 , 12542 , 25084 , 50168 , 100336 , 1360807 , 2721614 , 5443228 , 10886456 , 21772912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21772911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21772912 can be divided by 20 positive divisors.
The sum of these divisors (counting 21772912) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010011000011101001110000
3
Ternary
1111222011211011
4
Quaternary
1103003221300
5
Quinary
21033213122
6
Senary
2054400304
8
Octal
123035160
10
Decimal
21772912
12
Duodecimal
7360094
16
Hexadecimal
14c3a70
20
Vigesimal
6g1c5c
36
Base36
cyo34
md5
4689e706ded69ed3db7e3105e85fd5e3
sha1
ded45f005622e2cf6813729e37d4a1be5c13d422
sha256
f9b4af5c6321af8a553a88658494799db90cff509d226487e6d0e6567940245a
sha512
cae351225a05f54b3319152eabb64740b81681380e45b0ff6d2aa55158ac830fecc3dca47ba5174a5f3e92c1800079a25bcb6e92b67da1cc8bdcd85198c22b8a
ripemd-160
f320fd7b60aca3f4dd1020c92085da63c897f9ad
Diameter
43545824
Circumference
136803240.77291
Area
1.4893024613317E+15
Volume
4.3235268575946E+22
Surface area
5.9572098453269E+15
Circumference
136803240.77291
Perimeter
87091648
Area
474059696959744
Diagonal
30791547.442756
Surface area
2844358181758464
Volume
1.0321660064651E+22
Space diagonal
37711789.812726
Perimeter
65318736
Area
2.0527387023875E+14
Altitude
18855894.906363
Surface area
2.0527387023875E+14
Volume
1.2164193041362E+21
Height
10263849.147585