20921569 is an odd 8-digits composite number following 20921568
and preceding 20921570 . In scientific notation, it is written as 2.0921569 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 20633616 positive integers (up to 20921569) that are relatively prime to 20921569.
20921569 has 8 divisors, whose sum is 21211520
The reverse of 20921569 is 96512902
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million nine hundred twenty-one thousand five hundred sixty-nine
Scientific notation
2.0921569 × 10^7
Engineering notation
2.0921569 × 10^6
Prime Factorization
109 × 367 × 523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20921569
Product of the distinct prime numbers
The prime factorization of 20921569 is 109 × 367 × 523.
Since it has a total of 3 prime factors.
2 , 1 , 6 , 64 , 9 , 841 , 4451 , 2536 , 69992 , 14908 , 221419 , 875983 , 1313558 , 886074 , 89234545 , 73425205 , 870157543 , 714229873 , 4349548118 , 6579700274
n×2
41843138
n×3
62764707
n×4
83686276
n×5
104607845
n÷2
10460784.5
n÷3
6973856.3333333
n÷3
5230392.25
n÷5
4184313.8
n2
437712049421761
n3
9.1576228441088E+21
n4
1.91591838209E+29
n5
4.0084018629264E+36
2 √n
4574.0101661452
3 √n
275.54852060917
4 √n
67.631428834124
5 √n
29.115137818527
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
-20921568
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 20921569 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921569) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011110011100001
3
Ternary
1110100220222221
4
Quaternary
1033303303201
5
Quinary
20323442234
6
Senary
2024231041
8
Octal
117636341
10
Decimal
20921569
12
Duodecimal
700b481
16
Hexadecimal
13f3ce1
20
Vigesimal
6af3i9
36
Base36
cgf6p
md5
87c2ce7ef0650b81250d280abab1854b
sha1
74243936ad48a82c6aaa48d4dee911d027606051
sha256
c932882f8fa99f61c25e1d1aac08e1bb215e022b9c888cfe8db2674b243b6ade
sha512
d0fe8f7b6723164f7f051b3f672e4e8507fc558d7eab1c7336f9405b1809bd34284bd486b850990dd2fe610eeb86b5190a81d729797454e175007c625c8c5d3d
ripemd-160
f16cab566f8fea829acd7a2e61596d65127c461c
Diameter
41843138
Circumference
131454094.94394
Area
1.3751129588511E+15
Volume
3.8359360868531E+22
Surface area
5.5004518354045E+15
Circumference
131454094.94394
Perimeter
83686276
Area
437712049421761
Diagonal
29587566.625925
Surface area
2626272296530566
Volume
9.1576228441088E+21
Space diagonal
36237220.482058
Perimeter
62764707
Area
1.895348771709E+14
Altitude
18118610.241029
Surface area
1.895348771709E+14
Volume
1.079236202103E+21
Height
9862522.2086415