20212812 is an even 8-digits composite number following 20212811
and preceding 20212813 . In scientific notation, it is written as 2.0212812 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 6683040 positive integers (up to 20212812) that are relatively prime to 20212812.
20212812 has 24 divisors, whose sum is 39621120
The reverse of 20212812 is 21821202
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million two hundred twelve thousand eight hundred twelve
Scientific notation
2.0212812 × 10^7
Engineering notation
2.0212812 × 10^6
Prime Factorization
2 × 2 × 9 × 127 × 4421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10106406
Product of the distinct prime numbers
The prime factorization of 20212812 is 2 × 2 × 9 × 127 × 4421.
Since it has a total of 5 prime factors.
2 , 8 , 69 , 35 , 332 , 826 , 9390 , 6778 , 40070 , 7828 , 84201 , 995190 , 3729941 , 2583727 , 20259893 , 70424192 , 273970495 , 86209819 , 8821370447 , 5433194709
n×2
40425624
n×3
60638436
n×4
80851248
n×5
101064060
n÷2
10106406
n÷3
6737604
n÷3
5053203
n÷5
4042562.4
n2
408557768947344
n3
8.2581013748721E+21
n4
1.6691945056723E+29
n5
3.3739114734587E+36
2 √n
4495.866101209
3 √n
272.40113463143
4 √n
67.051219983002
5 √n
28.915143191425
1 , 2 , 4 , 9 , 18 , 36 , 127 , 254 , 508 , 1143 , 2286 , 4421 , 4572 , 8842 , 17684 , 39789 , 79578 , 159156 , 561467 , 1122934 , 2245868 , 5053203 , 10106406 , 20212812
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20212811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20212812 can be divided by 24 positive divisors.
The sum of these divisors (counting 20212812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000110110001001100
3
Ternary
1102000220202200
4
Quaternary
1031012301030
5
Quinary
20133302222
6
Senary
2001121500
8
Octal
115066114
10
Decimal
20212812
12
Duodecimal
6929290
16
Hexadecimal
1346c4c
20
Vigesimal
666c0c
36
Base36
c18b0
md5
870318c5c85bf59d895f2c7a64f22937
sha1
26f9a269e5b6bace3b09960b04bc3d2e23cb62a5
sha256
b34cf97510eeb93d62bf42c71b0a9ec3165ffe3118177dc0a717bad39161f3e3
sha512
ab25f5bc43ca5c327b29dd371919fa4655eead7db36adaa09ad5c573554e565bfb1e261e1fa8d31620a8a119fe40b6a2fab85cb32e21652d42a4fcd58d79a219
ripemd-160
d7ff3484a8dcb0fec99e15bb7b6d4b010a7c089a
Diameter
40425624
Circumference
127000843.37518
Area
1.283522085492E+15
Volume
3.4591454149197E+22
Surface area
5.134088341968E+15
Circumference
127000843.37518
Perimeter
80851248
Area
408557768947344
Diagonal
28585232.864098
Surface area
2451346613684064
Volume
8.2581013748721E+21
Space diagonal
35009617.347838
Perimeter
60638436
Area
1.7691070341095E+14
Altitude
17504808.673919
Surface area
1.7691070341095E+14
Volume
9.7322658031634E+20
Height
9528410.9546992