20972812 is an even 8-digits composite number following 20972811
and preceding 20972813 . In scientific notation, it is written as 2.0972812 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 8768640 positive integers (up to 20972812) that are relatively prime to 20972812.
20972812 has 24 divisors, whose sum is 42971040
The reverse of 20972812 is 21827902
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred seventy-two thousand eight hundred twelve
Scientific notation
2.0972812 × 10^7
Engineering notation
2.0972812 × 10^6
Prime Factorization
2 × 2 × 7 × 41 × 18269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10486406
Product of the distinct prime numbers
The prime factorization of 20972812 is 2 × 2 × 7 × 41 × 18269.
Since it has a total of 5 prime factors.
8 , 2 , 56 , 97 , 155 , 656 , 6512 , 3289 , 71835 , 66788 , 934447 , 919743 , 7028760 , 1463214 , 1082269 , 22461574 , 366555006 , 456358438 , 4590051225 , 8791127282
n×2
41945624
n×3
62918436
n×4
83891248
n×5
104864060
n÷2
10486406
n÷3
6990937.3333333
n÷3
5243203
n÷5
4194562.4
n2
439858843187344
n3
9.2250768247056E+21
n4
1.9347580193011E+29
n5
4.0577316204294E+36
2 √n
4579.6082801917
3 √n
275.7733033133
4 √n
67.672803105765
5 √n
29.129386152071
1 , 2 , 4 , 7 , 14 , 28 , 41 , 82 , 164 , 287 , 574 , 1148 , 18269 , 36538 , 73076 , 127883 , 255766 , 511532 , 749029 , 1498058 , 2996116 , 5243203 , 10486406 , 20972812
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
-20972811
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 20972812 can be divided by 24 positive divisors.
The sum of these divisors (counting 20972812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000000010100001100
3
Ternary
1110110112021211
4
Quaternary
1100000110030
5
Quinary
20332112222
6
Senary
2025304204
8
Octal
120002414
10
Decimal
20972812
12
Duodecimal
7035064
16
Hexadecimal
140050c
20
Vigesimal
6b1c0c
36
Base36
chiq4
md5
2426126566d103b25744d7e0235df265
sha1
8831fbe9606d676e23570fd409475455905f6b7a
sha256
1c75766d50f92c2c0e888e006ff0e12255daae8c208762cbe6414f98fe1f2cc4
sha512
f8061fe3d54e7fc4b632249e563ef217ea6e6c26f69eb7ddec79b8c4077cd89047ad57b847bb5f338b3a1d9e1e8d9e583d10313cbfe6ca763cf60d04699927ef
ripemd-160
67736ef73df6fe3deaa6c30bc65330aeb57f3487
Diameter
41945624
Circumference
131776064.20864
Area
1.3818573103739E+15
Volume
3.8641911441729E+22
Surface area
5.5274292414955E+15
Circumference
131776064.20864
Perimeter
83891248
Area
439858843187344
Diagonal
29660035.171501
Surface area
2639153059124064
Volume
9.2250768247056E+21
Space diagonal
36325975.96159
Perimeter
62918436
Area
1.9046446613974E+14
Altitude
18162987.980795
Surface area
1.9046446613974E+14
Volume
1.0871857299527E+21
Height
9886678.3905004