28538861 is an odd 8-digits composite number following 28538860
and preceding 28538862 . In scientific notation, it is written as 2.8538861 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors.
There are 26343408 positive integers (up to 28538861) that are relatively prime to 28538861.
28538861 has 6 divisors, whose sum is 30903210
The reverse of 28538861 is 16883582
Previous prime number is 13
Is Prime? no Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
twenty-eight million five hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
2.8538861 × 10^7
Engineering notation
2.8538861 × 10^6
Prime Factorization
13 × 13 × 168869
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
2195297 Product of the distinct prime numbers
The prime factorization of 28538861 is 13 × 13 × 168869.
Since it has a total of 3 prime factors.
7 , 5 , 43 , 46 , 688 , 463 , 365 , 5669 , 74393 , 62623 , 222572 , 12536 , 4075851 , 2195509 , 31097278 , 2379609 , 599211264 , 734620090 , 8167877265 , 9899250958
n×2
57077722
n×3
85616583
n×4
114155444
n×5
142694305
n÷2
14269430.5
n÷3
9512953.6666667
n÷3
7134715.25
n÷5
5707772.2
n2
814466587177321
n3
2.3243948720598E+22
n4
6.6335582162827E+29
n5
1.893141958699E+37
2 √n5342.1775522721
3 √n305.5945082584
4 √n73.090201479214
5 √n30.980421859844
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28538860 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28538861 can be divided by 6 positive divisors.
The sum of these divisors (counting 28538861) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101100110111011111101101
3
Ternary
1222200220221212
4
Quaternary
1230313133231
5
Quinary
24301220421
6
Senary
2455404205
8
Octal
154673755
10
Decimal
28538861
12
Duodecimal
9683665
16
Hexadecimal
1b377ed
20
Vigesimal
8i7731
36
Base36
gzoq5
md5
3c723110a2058212aa65d28e2b2193e0
sha1
43ec7aa636f10ba72679cb6b9e1ecbb266b65334
sha256
e07a2a4ea89d7579ccc7578f9452fc53b6f5ae98e5ac501ad34f06314b79f3cd
sha512
8393069abe053935ac2905f1aefb4f195ad87d66b6d2c6cfa3600d950762fb8c39be9c22aee8568b9513869deb82b4eca30dc8e91f3223de8f14c67be2ab2bef
ripemd-160
8dd9552c34602c4a412d2f4637e4d20e807444b2
Diameter
57077722
Circumference
179314952.11884
Area
2.5587222468706E+15
Volume
9.7364024721398E+22
Surface area
1.0234888987482E+16
Circumference
179314952.11884
Perimeter
114155444
Area
814466587177321
Diagonal
40360044.280881
Surface area
4886799523063926
Volume
2.3243948720598E+22
Space diagonal
49430757.242146
Perimeter
85616583
Area
3.5267437751459E+14
Altitude
24715378.621073
Surface area
3.5267437751459E+14
Volume
2.7393256269812E+21
Height
13453348.093627