20921772 is an even 8-digits composite number following 20921771
and preceding 20921773 . In scientific notation, it is written as 2.0921772 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6905808 positive integers (up to 20921772) that are relatively prime to 20921772.
20921772 has 24 divisors, whose sum is 49294336
The reverse of 20921772 is 27712902
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred twenty-one thousand seven hundred seventy-two
Scientific notation
2.0921772 × 10^7
Engineering notation
2.0921772 × 10^6
Prime Factorization
2 × 2 × 3 × 103 × 16927
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10460886
Product of the distinct prime numbers
The prime factorization of 20921772 is 2 × 2 × 3 × 103 × 16927.
Since it has a total of 5 prime factors.
6 , 9 , 49 , 70 , 321 , 255 , 5078 , 9813 , 76992 , 99770 , 593943 , 454665 , 5041462 , 3310373 , 87353056 , 23498735 , 847090040 , 845231939 , 4504903810 , 4653912950
n×2
41843544
n×3
62765316
n×4
83687088
n×5
104608860
n÷2
10460886
n÷3
6973924
n÷3
5230443
n÷5
4184354.4
n2
437720543619984
n3
9.1578894133334E+21
n4
1.9159927430697E+29
n5
4.008596332416E+36
2 √n
4574.0323566849
3 √n
275.54941181334
4 √n
67.631592888863
5 √n
29.115194318592
1 , 2 , 3 , 4 , 6 , 12 , 103 , 206 , 309 , 412 , 618 , 1236 , 16927 , 33854 , 50781 , 67708 , 101562 , 203124 , 1743481 , 3486962 , 5230443 , 6973924 , 10460886 , 20921772
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921772 can be divided by 24 positive divisors.
The sum of these divisors (counting 20921772) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111110011110110101100
3
Ternary
1110100221021110
4
Quaternary
1033303312230
5
Quinary
20323444042
6
Senary
2024232020
8
Octal
117636654
10
Decimal
20921772
12
Duodecimal
700b610
16
Hexadecimal
13f3dac
20
Vigesimal
6af48c
36
Base36
cgfcc
md5
fb6973bf1b3e2fa33d09ddfc6d11d6d4
sha1
3f3a4f9d583a6a22745eae83c7057b4807c8b12d
sha256
b82e57dd3add6c57ff8013d8ece70cef15d734ae7c639513e25e3fb924decec2
sha512
3bddcab7ea0fcc4bffb1d9984b70edf27f6d821d79f07bcc13eef17a7e0d7b0bdf28ac6f42db3ebc40be46904100baf20143cb76126359a6ff03c365694414a0
ripemd-160
667234db7e0805d0937ef61599db580c85c3deda
Diameter
41843544
Circumference
131455370.43056
Area
1.3751396441619E+15
Volume
3.8360477471088E+22
Surface area
5.5005585766475E+15
Circumference
131455370.43056
Perimeter
83687088
Area
437720543619984
Diagonal
29587853.711278
Surface area
2626323261719904
Volume
9.1578894133334E+21
Space diagonal
36237572.088372
Perimeter
62765316
Area
1.8953855526662E+14
Altitude
18118786.044186
Surface area
1.8953855526662E+14
Volume
1.0792676175874E+21
Height
9862617.9037592