28281057 is an odd 8-digits composite number following 28281056
and preceding 28281058 . In scientific notation, it is written as 2.8281057 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 15784272 positive integers (up to 28281057) that are relatively prime to 28281057.
28281057 has 16 divisors, whose sum is 44098560
The reverse of 28281057 is 75018282
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million two hundred eighty-one thousand fifty-seven
Scientific notation
2.8281057 × 10^7
Engineering notation
2.8281057 × 10^6
Prime Factorization
3 × 7 × 43 × 31319
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28281057
Product of the distinct prime numbers
The prime factorization of 28281057 is 3 × 7 × 43 × 31319.
Since it has a total of 4 prime factors.
4 , 3 , 21 , 55 , 174 , 576 , 730 , 952 , 41161 , 51567 , 701971 , 703103 , 4700443 , 8034657 , 73578864 , 9174835 , 153797927 , 963191857 , 8977073204 , 8729004753
n×2
56562114
n×3
84843171
n×4
113124228
n×5
141405285
n÷2
14140528.5
n÷3
9427019
n÷3
7070264.25
n÷5
5656211.4
n2
799818185037249
n3
2.2619703680675E+22
n4
6.3970912911628E+29
n5
1.8091650343958E+37
2 √n
5317.9937006356
3 √n
304.67153387474
4 √n
72.924575423074
5 √n
30.924246571893
1 , 3 , 7 , 21 , 43 , 129 , 301 , 903 , 31319 , 93957 , 219233 , 657699 , 1346717 , 4040151 , 9427019 , 28281057
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28281056
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28281057 can be divided by 16 positive divisors.
The sum of these divisors (counting 28281057) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111000100011100001
3
Ternary
1222012211022120
4
Quaternary
1223320203201
5
Quinary
24214443212
6
Senary
2450054453
8
Octal
153704341
10
Decimal
28281057
12
Duodecimal
957a429
16
Hexadecimal
1af88e1
20
Vigesimal
8gf2ch
36
Base36
gu5sx
md5
32984a196baea83302771c16f65bc457
sha1
fbe77bdf9bf046233e32ee78ccfaea892f70b52b
sha256
7ce0935b3821c9feaa4d980a0205d972356503a320999f179cb543f807d8cfeb
sha512
8d21ee38cb35bf1268c11a2dc41663b7fb79159fae64bd25b689688f589525ef5cbc979ccff2a41392dfda212c770b7af46eaa9c6ea28d1ae0e1d1045f8719a0
ripemd-160
aaf5e5e726b978685b8c88742da1cc08bdded665
Diameter
56562114
Circumference
177695121.81391
Area
2.5127029343205E+15
Volume
9.4749193212782E+22
Surface area
1.0050811737282E+16
Circumference
177695121.81391
Perimeter
113124228
Area
799818185037249
Diagonal
39995454.367647
Surface area
4798909110223494
Volume
2.2619703680675E+22
Space diagonal
48984227.615751
Perimeter
84843171
Area
3.4633143332551E+14
Altitude
24492113.807876
Surface area
3.4633143332551E+14
Volume
2.6657576435059E+21
Height
13331818.122549