28672281 is an odd 8-digits composite number following 28672280
and preceding 28672282 . In scientific notation, it is written as 2.8672281 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 17149440 positive integers (up to 28672281) that are relatively prime to 28672281.
28672281 has 16 divisors, whose sum is 32544720
The reverse of 28672281 is 18227682
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million six hundred seventy-two thousand two hundred eighty-one
Scientific notation
2.8672281 × 10^7
Engineering notation
2.8672281 × 10^6
Prime Factorization
9 × 121 × 233 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28672281
Product of the distinct prime numbers
The prime factorization of 28672281 is 9 × 121 × 233 × 113.
Since it has a total of 4 prime factors.
3 , 3 , 98 , 2 , 406 , 955 , 8027 , 2497 , 22252 , 12516 , 789597 , 3394 , 3776076 , 9568380 , 64389112 , 94427655 , 798272195 , 734583591 , 124100178 , 7724358498
n×2
57344562
n×3
86016843
n×4
114689124
n×5
143361405
n÷2
14336140.5
n÷3
9557427
n÷3
7168070.25
n÷5
5734456.2
n2
822099697742961
n3
2.3571473543701E+22
n4
6.7584791302907E+29
n5
1.9378101275633E+37
2 √n
5354.6504087569
3 √n
306.06998911692
4 √n
73.175476826303
5 √n
31.009334716421
1 , 9 , 113 , 121 , 233 , 1017 , 1089 , 2097 , 13673 , 26329 , 28193 , 123057 , 236961 , 253737 , 3185809 , 28672281
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
-28672280
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 28672281 can be divided by 16 positive divisors.
The sum of these divisors (counting 28672281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011000000100011001
3
Ternary
1222221200222100
4
Quaternary
1231120010121
5
Quinary
24320003111
6
Senary
2502314013
8
Octal
155300431
10
Decimal
28672281
12
Duodecimal
9728909
16
Hexadecimal
1b58119
20
Vigesimal
8j40e1
36
Base36
h2jo9
md5
b70ba88fc88c4848c61b272adb0ac7f4
sha1
42235d85da8b7e9e03364826ff47a04ff037852f
sha256
32ed0ad13c53c2cb095cb3cc573c414467b0ee511c54e839a80ed573e357576c
sha512
97b8cfbbb9b66346aa07238104c9f5c4816ef5102c26bc4ac0df4ad034f2fcc431c798e0b3bd429e1c331056af012c29bec5e1329d24451f85680722659de023
ripemd-160
7953dec2cb0e47879e4b5943187c9bebe84f24e1
Diameter
57344562
Circumference
180153254.70252
Area
2.5827023709477E+15
Volume
9.8735957492237E+22
Surface area
1.0330809483791E+16
Circumference
180153254.70252
Perimeter
114689124
Area
822099697742961
Diagonal
40548728.654372
Surface area
4932598186457766
Volume
2.3571473543701E+22
Space diagonal
49661847.460892
Perimeter
86016843
Area
3.5597961134446E+14
Altitude
24830923.730446
Surface area
3.5597961134446E+14
Volume
2.7779247975517E+21
Height
13516242.884791