20921524 is an even 8-digits composite number following 20921523
and preceding 20921525 . In scientific notation, it is written as 2.0921524 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 18 positive divisors.
There are 9655776 positive integers (up to 20921524) that are relatively prime to 20921524.
20921524 has 18 divisors, whose sum is 39646950
The reverse of 20921524 is 42512902
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million nine hundred twenty-one thousand five hundred twenty-four
Scientific notation
2.0921524 × 10^7
Engineering notation
2.0921524 × 10^6
Prime Factorization
2 × 2 × 13 × 13 × 30949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
804674
Product of the distinct prime numbers
The prime factorization of 20921524 is 2 × 2 × 13 × 13 × 30949.
Since it has a total of 5 prime factors.
5 , 2 , 15 , 89 , 308 , 952 , 2775 , 2072 , 50024 , 60501 , 416660 , 804121 , 4228121 , 8177741 , 9269053 , 4677932 , 795534615 , 16390573 , 706629498 , 4448117824
n×2
41843048
n×3
62764572
n×4
83686096
n×5
104607620
n÷2
10460762
n÷3
6973841.3333333
n÷3
5230381
n÷5
4184304.8
n2
437710166482576
n3
9.1575637531092E+21
n4
1.915901898422E+29
n5
4.0083587549482E+36
2 √n
4574.0052470455
3 √n
275.54832305081
4 √n
67.631392467149
5 √n
29.115125293822
1 , 2 , 4 , 13 , 26 , 52 , 169 , 338 , 676 , 30949 , 61898 , 123796 , 402337 , 804674 , 1609348 , 5230381 , 10460762 , 20921524
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921523
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921524 can be divided by 18 positive divisors.
The sum of these divisors (counting 20921524) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001111110011110010110100
3
Ternary
1110100220221021
4
Quaternary
1033303302310
5
Quinary
20323442044
6
Senary
2024230524
8
Octal
117636264
10
Decimal
20921524
12
Duodecimal
700b444
16
Hexadecimal
13f3cb4
20
Vigesimal
6af3g4
36
Base36
cgf5g
md5
3b21b6013ebbf1547a4d07ceb9f16a02
sha1
d25867255476cd0b1258a52ce803bde86d61bf64
sha256
3653a33068542b2b86c8cb09f61891be076cd1171af79b8bb5c9e2af1149a11b
sha512
4dbe0c51b188000ca1b054840e62b129a8423bd0c3c13b6103a6c1adff713695f1350dbd22fefa6020452dd5510f132cbc14bf95cd940942b391bed97909f523
ripemd-160
8350fdad5f8bbde1ddbf8c354455f926c8f0f2ad
Diameter
41843048
Circumference
131453812.20061
Area
1.3751070434232E+15
Volume
3.8359113348731E+22
Surface area
5.5004281736929E+15
Circumference
131453812.20061
Perimeter
83686096
Area
437710166482576
Diagonal
29587502.986314
Surface area
2626260998895456
Volume
9.1575637531092E+21
Space diagonal
36237142.539772
Perimeter
62764572
Area
1.8953406183431E+14
Altitude
18118571.269886
Surface area
1.8953406183431E+14
Volume
1.0792292381619E+21
Height
9862500.9954381