20921366 is an even 8-digits composite number following 20921365
and preceding 20921367 . In scientific notation, it is written as 2.0921366 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10427368 positive integers (up to 20921366) that are relatively prime to 20921366.
20921366 has 8 divisors, whose sum is 31482000
The reverse of 20921366 is 66312902
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred twenty-one thousand three hundred sixty-six
Scientific notation
2.0921366 × 10^7
Engineering notation
2.0921366 × 10^6
Prime Factorization
2 × 317 × 32999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20921366
Product of the distinct prime numbers
The prime factorization of 20921366 is 2 × 317 × 32999.
Since it has a total of 3 prime factors.
5 , 8 , 77 , 26 , 479 , 743 , 4231 , 402 , 1171 , 37709 , 917137 , 951465 , 5108071 , 4195651 , 24280437 , 44175465 , 390931738 , 827287027 , 2733063623 , 1265606573
n×2
41842732
n×3
62764098
n×4
83685464
n×5
104606830
n÷2
10460683
n÷3
6973788.6666667
n÷3
5230341.5
n÷5
4184273.2
n2
437703555305956
n3
9.1573562800571E+21
n4
1.9158440232747E+29
n5
4.0082074009843E+36
2 √n
4573.987975498
3 √n
275.54762939923
4 √n
67.631264778192
5 √n
29.115081318023
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
-20921365
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 20921366 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921366) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011110000010110
3
Ternary
1110100220201102
4
Quaternary
1033303300112
5
Quinary
20323440431
6
Senary
2024230102
8
Octal
117636026
10
Decimal
20921366
12
Duodecimal
700b332
16
Hexadecimal
13f3c16
20
Vigesimal
6af386
36
Base36
cgf12
md5
8cd59d289c844f1f7b314624ac5c2880
sha1
d1e12a97f9f7f4ca7d65add437e2cdd67cb57495
sha256
613c3c563ddc27454d0b5517fce94f71b19875bca4efb4ac5d5cac66a177225b
sha512
8cba0d00d8111b5fc33fe0d63e0a9fca3a30982e12cfdb25c70db6833c6656b7cd648eb848d02935568e832c0d7e292dd90fcff6bafb7b9dab58dd1ac92cdd3d
ripemd-160
3e551bfc2dfa3bef46c1d40fb776434e61865056
Diameter
41842732
Circumference
131452819.45733
Area
1.3750862737993E+15
Volume
3.8358244287643E+22
Surface area
5.5003450951973E+15
Circumference
131452819.45733
Perimeter
83685464
Area
437703555305956
Diagonal
29587279.540571
Surface area
2626221331835736
Volume
9.1573562800571E+21
Space diagonal
36236868.875744
Perimeter
62764098
Area
1.8953119911086E+14
Altitude
18118434.437872
Surface area
1.8953119911086E+14
Volume
1.0792047872283E+21
Height
9862426.5135238