20821412 is an even 8-digits composite number following 20821411
and preceding 20821413 . In scientific notation, it is written as 2.0821412 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 10382760 positive integers (up to 20821412) that are relatively prime to 20821412.
20821412 has 12 divisors, whose sum is 36535296
The reverse of 20821412 is 21412802
Previous prime number is 383
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eight hundred twenty-one thousand four hundred twelve
Scientific notation
2.0821412 × 10^7
Engineering notation
2.0821412 × 10^6
Prime Factorization
2 × 2 × 383 × 13591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10410706
Product of the distinct prime numbers
The prime factorization of 20821412 is 2 × 2 × 383 × 13591.
Since it has a total of 4 prime factors.
8 , 3 , 78 , 95 , 240 , 612 , 5527 , 8792 , 12061 , 28908 , 567346 , 448162 , 616378 , 4660578 , 50720175 , 67845958 , 151490437 , 243372848 , 9240721635 , 5163788565
n×2
41642824
n×3
62464236
n×4
83285648
n×5
104107060
n÷2
10410706
n÷3
6940470.6666667
n÷3
5205353
n÷5
4164282.4
n2
433531197673744
n3
9.0267316816185E+21
n4
1.8794929935643E+29
n5
3.9133697970116E+36
2 √n
4563.0485423673
3 √n
275.1081095599
4 √n
67.550340801267
5 √n
29.087207934541
1 , 2 , 4 , 383 , 766 , 1532 , 13591 , 27182 , 54364 , 5205353 , 10410706 , 20821412
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20821411
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20821412 can be divided by 12 positive divisors.
The sum of these divisors (counting 20821412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111011011010110100100
3
Ternary
1110011211121102
4
Quaternary
1033123112210
5
Quinary
20312241122
6
Senary
2022135232
8
Octal
117332644
10
Decimal
20821412
12
Duodecimal
6b81518
16
Hexadecimal
13db5a4
20
Vigesimal
6a2dac
36
Base36
ce9wk
md5
a3a583155f84c3d5c6463d53989d1dd4
sha1
a6d503fb3537d2bebe56d74083784856c13db4ad
sha256
7b82b47dcda08b3fcd7c4e52a7d531824e28d88849a3d7a4cdbcb890e5af0bb4
sha512
6daaad4736d79682b469d9f68bb58548836b229748ad3ff9ba6feda85e25a72ceeaaa361f901234c08d71d3e3fcc6201c7b2cef0ba88fc5f7a12ecc006e2a231
ripemd-160
94c8447f07e767c710b8c0263e62dd1817f43ee4
Diameter
41642824
Circumference
130824789.95313
Area
1.3619784257138E+15
Volume
3.7811085249198E+22
Surface area
5.4479137028553E+15
Circumference
130824789.95313
Perimeter
83285648
Area
433531197673744
Diagonal
29445923.238158
Surface area
2601187186042464
Volume
9.0267316816185E+21
Space diagonal
36063743.469324
Perimeter
62464236
Area
1.8772451525928E+14
Altitude
18031871.734662
Surface area
1.8772451525928E+14
Volume
1.0638105306706E+21
Height
9815307.7460526