28771278 is an even 8-digits composite number following 28771277
and preceding 28771279 . In scientific notation, it is written as 2.8771278 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 9572096 positive integers (up to 28771278) that are relatively prime to 28771278.
28771278 has 16 divisors, whose sum is 57652560
The reverse of 28771278 is 87217782
Previous prime number is 557
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million seven hundred seventy-one thousand two hundred seventy-eight
Scientific notation
2.8771278 × 10^7
Engineering notation
2.8771278 × 10^6
Prime Factorization
2 × 3 × 557 × 8609
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28771278
Product of the distinct prime numbers
The prime factorization of 28771278 is 2 × 3 × 557 × 8609.
Since it has a total of 4 prime factors.
1 , 10 , 86 , 99 , 197 , 320 , 8883 , 8007 , 61579 , 38664 , 239393 , 202144 , 5298401 , 5340174 , 55768442 , 55025007 , 951800060 , 658545102 , 8052267206 , 3348071103
n×2
57542556
n×3
86313834
n×4
115085112
n×5
143856390
n÷2
14385639
n÷3
9590426
n÷3
7192819.5
n÷5
5754255.6
n2
827786437753284
n3
2.3816473725229E+22
n4
6.8523038652827E+29
n5
1.9714953944852E+37
2 √n
5363.8864641228
3 √n
306.42184119654
4 √n
73.238558588511
5 √n
31.030718436671
1 , 2 , 3 , 6 , 557 , 1114 , 1671 , 3342 , 8609 , 17218 , 25827 , 51654 , 4795213 , 9590426 , 14385639 , 28771278
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
-28771277
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 28771278 can be divided by 16 positive divisors.
The sum of these divisors (counting 28771278) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110000001111001110
3
Ternary
2000010201202220
4
Quaternary
1231300033032
5
Quinary
24331140103
6
Senary
2504400210
8
Octal
155601716
10
Decimal
28771278
12
Duodecimal
9776066
16
Hexadecimal
1b703ce
20
Vigesimal
8jg83i
36
Base36
h4o26
md5
dceb4fe6d60943a61c717d6c34119a12
sha1
c2b75ac692ce7867f86ede46c43508a18a8f429b
sha256
252dd5d08751fd554d0791dce75f97b079c603e73f1180f5a430a867210e3159
sha512
aaef9a6fa9ab68f793ce6e855d61ada16d332c610bd02ccf7fdd9e163a3ef7acfca9966c44df8773cc53e734874f773ec4b046c15eb86b2f4f789aaa3b609228
ripemd-160
5192511cb7f46af5bce43721ba40e439f732370c
Diameter
57542556
Circumference
180775271.19838
Area
2.600567791587E+15
Volume
9.9762211852793E+22
Surface area
1.0402271166348E+16
Circumference
180775271.19838
Perimeter
115085112
Area
827786437753284
Diagonal
40688731.554407
Surface area
4966718626519704
Volume
2.3816473725229E+22
Space diagonal
49833315.294689
Perimeter
86313834
Area
3.5844204200128E+14
Altitude
24916657.647344
Surface area
3.5844204200128E+14
Volume
2.8067983458435E+21
Height
13562910.518136