20921367 is an odd 8-digits composite number following 20921366
and preceding 20921368 . In scientific notation, it is written as 2.0921367 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13928760 positive integers (up to 20921367) that are relatively prime to 20921367.
20921367 has 8 divisors, whose sum is 27932800
The reverse of 20921367 is 76312902
Previous prime number is 811
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred twenty-one thousand three hundred sixty-seven
Scientific notation
2.0921367 × 10^7
Engineering notation
2.0921367 × 10^6
Prime Factorization
3 × 811 × 8599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20921367
Product of the distinct prime numbers
The prime factorization of 20921367 is 3 × 811 × 8599.
Since it has a total of 3 prime factors.
2 , 7 , 78 , 29 , 976 , 938 , 2087 , 8349 , 63794 , 91049 , 326981 , 998491 , 7217089 , 6720060 , 60219585 , 54791681 , 682426213 , 879893770 , 7294791371 , 9835698956
n×2
41842734
n×3
62764101
n×4
83685468
n×5
104606835
n÷2
10460683.5
n÷3
6973789
n÷3
5230341.75
n÷5
4184273.4
n2
437703597148689
n3
9.1573575931679E+21
n4
1.915844389569E+29
n5
4.0082083589064E+36
2 √n
4573.9880848118
3 √n
275.54763378944
4 √n
67.631265586353
5 √n
29.115081596352
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921366
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921367 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921367) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011110000010111
3
Ternary
1110100220201110
4
Quaternary
1033303300113
5
Quinary
20323440432
6
Senary
2024230103
8
Octal
117636027
10
Decimal
20921367
12
Duodecimal
700b333
16
Hexadecimal
13f3c17
20
Vigesimal
6af387
36
Base36
cgf13
md5
316db61c15a9752304c82aa12a2edc33
sha1
d1e87026006025e85bc202280274b9fc7eb8740c
sha256
2f61350e3087b265984f4efa5794251f57705346527275923904dc2501ea8c96
sha512
046ed53f904fbebff81d2815db2b5b98731c8196107b2b6f80ed4b715d5dd94e98b5f105e2d1477dfa204b297d70a32ca0497c846321130595c4f7c54e4f0534
ripemd-160
e6a813dec122e063577a6bafae46c22c725378b8
Diameter
41842734
Circumference
131452825.74051
Area
1.3750864052521E+15
Volume
3.8358249787988E+22
Surface area
5.5003456210086E+15
Circumference
131452825.74051
Perimeter
83685468
Area
437703597148689
Diagonal
29587280.954785
Surface area
2626221582892134
Volume
9.1573575931679E+21
Space diagonal
36236870.607795
Perimeter
62764101
Area
1.895312172293E+14
Altitude
18118435.303897
Surface area
1.895312172293E+14
Volume
1.0792049419799E+21
Height
9862426.9849283