20724872 is an even 8-digits composite number following 20724871
and preceding 20724873 . In scientific notation, it is written as 2.0724872 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 8735040 positive integers (up to 20724872) that are relatively prime to 20724872.
20724872 has 32 divisors, whose sum is 45145920
The reverse of 20724872 is 27842702
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred twenty-four thousand eight hundred seventy-two
Scientific notation
2.0724872 × 10^7
Engineering notation
2.0724872 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 61 × 6067
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5181218
Product of the distinct prime numbers
The prime factorization of 20724872 is 2 × 2 × 2 × 7 × 61 × 6067.
Since it has a total of 6 prime factors.
3 , 3 , 66 , 70 , 649 , 476 , 7088 , 3047 , 15289 , 12319 , 70533 , 153904 , 3627212 , 3988227 , 45657823 , 89209482 , 483930924 , 816496867 , 9895868934 , 9382086970
n×2
41449744
n×3
62174616
n×4
82899488
n×5
103624360
n÷2
10362436
n÷3
6908290.6666667
n÷3
5181218
n÷5
4144974.4
n2
429520319416384
n3
8.9017536413037E+21
n4
1.8448770479155E+29
n5
3.8234840673787E+36
2 √n
4552.4577977176
3 √n
274.68226443402
4 √n
67.471903765328
5 √n
29.060184776506
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 61 , 122 , 244 , 427 , 488 , 854 , 1708 , 3416 , 6067 , 12134 , 24268 , 42469 , 48536 , 84938 , 169876 , 339752 , 370087 , 740174 , 1480348 , 2590609 , 2960696 , 5181218 , 10362436 , 20724872
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20724871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20724872 can be divided by 32 positive divisors.
The sum of these divisors (counting 20724872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111000011110010001000
3
Ternary
1102222221011212
4
Quaternary
1033003302020
5
Quinary
20301143442
6
Senary
2020112252
8
Octal
117036210
10
Decimal
20724872
12
Duodecimal
6b35688
16
Hexadecimal
13c3c88
20
Vigesimal
69ac3c
36
Base36
cc7ew
md5
da7bfbd4638da8ce139f19b3dc2250c1
sha1
afe26900a697536bd9b30586ee9699738096b10b
sha256
1d3d968a365b2182c4f11d2980c3cb4a4a303cffe443a867e094a320361daa87
sha512
cd97964b74be5e08dbbc5fe109fec01f0cbd26fd69a7c9eef3b25ba1e856740afd0f7abbdb94abcfd5484abd21c68674beb3892f14e10d45fbc743777c8fee74
ripemd-160
954ac4e5f650ba8e4182020f650040e2be6cb8e5
Diameter
41449744
Circumference
130218211.24358
Area
1.3493778800461E+15
Volume
3.7287578458114E+22
Surface area
5.3975115201842E+15
Circumference
130218211.24358
Perimeter
82899488
Area
429520319416384
Diagonal
29309395.060846
Surface area
2577121916498304
Volume
8.9017536413037E+21
Space diagonal
35896531.284362
Perimeter
62174616
Area
1.859877540281E+14
Altitude
17948265.642181
Surface area
1.859877540281E+14
Volume
1.0490817273696E+21
Height
9769798.3536155