28117788 is an even 8-digits composite number following 28117787
and preceding 28117789 . In scientific notation, it is written as 2.8117788 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 9342960 positive integers (up to 28117788) that are relatively prime to 28117788.
28117788 has 24 divisors, whose sum is 65815680
The reverse of 28117788 is 88771182
Previous prime number is 331
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million one hundred seventeen thousand seven hundred eighty-eight
Scientific notation
2.8117788 × 10^7
Engineering notation
2.8117788 × 10^6
Prime Factorization
2 × 2 × 3 × 331 × 7079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14058894
Product of the distinct prime numbers
The prime factorization of 28117788 is 2 × 2 × 3 × 331 × 7079.
Since it has a total of 5 prime factors.
7 , 9 , 53 , 16 , 809 , 556 , 5224 , 4693 , 78786 , 73 , 118469 , 840626 , 9144311 , 1903381 , 15262760 , 19008309 , 925320317 , 88607980 , 530526155 , 1642542418
n×2
56235576
n×3
84353364
n×4
112471152
n×5
140588940
n÷2
14058894
n÷3
9372596
n÷3
7029447
n÷5
5623557.6
n2
790610002012944
n3
2.223020442728E+22
n4
6.2506417528291E+29
n5
1.7575421967E+37
2 √n
5302.6208614232
3 √n
304.08410357677
4 √n
72.819096818233
5 √n
30.888458159725
1 , 2 , 3 , 4 , 6 , 12 , 331 , 662 , 993 , 1324 , 1986 , 3972 , 7079 , 14158 , 21237 , 28316 , 42474 , 84948 , 2343149 , 4686298 , 7029447 , 9372596 , 14058894 , 28117788
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28117787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28117788 can be divided by 24 positive divisors.
The sum of these divisors (counting 28117788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011010000101100011100
3
Ternary
1221220112100120
4
Quaternary
1223100230130
5
Quinary
24144232123
6
Senary
2442354540
8
Octal
153205434
10
Decimal
28117788
12
Duodecimal
94bba50
16
Hexadecimal
1ad0b1c
20
Vigesimal
8fee98
36
Base36
gqnto
md5
a190603cb47ac228b8b5850dac897346
sha1
752f2db0453b03d02bde7ae07a2568d2d84fd743
sha256
51380362fa59cf539911419386d34da00ea4da15a66765292e5b438c1c865686
sha512
dc417e0480f92c4bad71e682593f1c4bdf0facec94e08c82110b8e26fa8bea19f1047b34a8d679b3966b136238e0041dd057bd8706f9935fcd5866dc0ab078bb
ripemd-160
c5e795960c925b19027adf59c947b9e810a61898
Diameter
56235576
Circumference
176669272.43199
Area
2.4837745741785E+15
Volume
9.3117662555388E+22
Surface area
9.9350982967139E+15
Circumference
176669272.43199
Perimeter
112471152
Area
790610002012944
Diagonal
39764557.133531
Surface area
4743660012077664
Volume
2.223020442728E+22
Space diagonal
48701437.41245
Perimeter
84353364
Area
3.4234417311464E+14
Altitude
24350718.706225
Surface area
3.4234417311464E+14
Volume
2.6198547162821E+21
Height
13254852.377844