20921329 is an odd 8-digits composite number following 20921328
and preceding 20921330 . In scientific notation, it is written as 2.0921329 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 16790400 positive integers (up to 20921329) that are relatively prime to 20921329.
20921329 has 16 divisors, whose sum is 25651584
The reverse of 20921329 is 92312902
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred twenty-one thousand three hundred twenty-nine
Scientific notation
2.0921329 × 10^7
Engineering notation
2.0921329 × 10^6
Prime Factorization
11 × 13 × 23 × 6361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921329
Product of the distinct prime numbers
The prime factorization of 20921329 is 11 × 13 × 23 × 6361.
Since it has a total of 4 prime factors.
4 , 2 , 38 , 24 , 718 , 49 , 1612 , 7494 , 15656 , 52158 , 387051 , 873072 , 6688546 , 1006383 , 60630431 , 46639054 , 824389696 , 531289513 , 2904473621 , 757308246
n×2
41842658
n×3
62763987
n×4
83685316
n×5
104606645
n÷2
10460664.5
n÷3
6973776.3333333
n÷3
5230332.25
n÷5
4184265.8
n2
437702007126241
n3
9.1573076950484E+21
n4
1.9158304704234E+29
n5
4.0081719579953E+36
2 √n
4573.9839308856
3 √n
275.54746696133
4 √n
67.631234876244
5 √n
29.115071019855
1 , 11 , 13 , 23 , 143 , 253 , 299 , 3289 , 6361 , 69971 , 82693 , 146303 , 909623 , 1609333 , 1901939 , 20921329
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921328
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921329 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921329) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011101111110001
3
Ternary
1110100220200001
4
Quaternary
1033303233301
5
Quinary
20323440304
6
Senary
2024230001
8
Octal
117635761
10
Decimal
20921329
12
Duodecimal
700b301
16
Hexadecimal
13f3bf1
20
Vigesimal
6af369
36
Base36
cgf01
md5
cfd978c299f09cf9f6fdce4ecbea66a3
sha1
48a2967def0c53f06d5c2e7e4a6dc583f2b09b05
sha256
92838a937946728566bb0487575e465468fb98ebd5adb4664cdda4f7cda9796d
sha512
ddc58c081ad52ea7def9306126290deb9dd9500cf83acf83081e1397e3ccb627d85d8f8b375b22fa8d54be61efd5fbfe5e7d7923ebe09cc28921bdcb9f9a6ba7
ripemd-160
2c460de29fca6c5bd50f3104d03395b4c4d0318d
Diameter
41842658
Circumference
131452586.97947
Area
1.3750814100493E+15
Volume
3.8358040775234E+22
Surface area
5.5003256401972E+15
Circumference
131452586.97947
Perimeter
83685316
Area
437702007126241
Diagonal
29587227.21467
Surface area
2626212042757446
Volume
9.1573076950484E+21
Space diagonal
36236804.789864
Perimeter
62763987
Area
1.8953052872938E+14
Altitude
18118402.394932
Surface area
1.8953052872938E+14
Volume
1.0791990614301E+21
Height
9862409.0715565