2788697988 is an even 10-digits composite number following 2788697987
and preceding 2788697989 . In scientific notation, it is written as 2.788697988 × 10^9.
The sum of its digits is 72. It has a total of 4 prime factors and 12 positive divisors.
There are 929565984 positive integers (up to 2788697988) that are relatively prime to 2788697988.
2788697988 has 12 divisors, whose sum is 5422468380
The reverse of 2788697988 is 8897968872
Previous prime number is 9
Is Prime? no
Number parity even
Number length 10
Sum of Digits 72
Digital Root 9
Name
two billion seven hundred eighty-eight million six hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
2.788697988 × 10^9
Engineering notation
2.788697988 × 10^9
Prime Factorization
2 × 2 × 9 × 77463833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1394348994
Product of the distinct prime numbers
The prime factorization of 2788697988 is 2 × 2 × 9 × 77463833.
Since it has a total of 4 prime factors.
3 , 8 , 10 , 59 , 29 , 396 , 8147 , 377 , 86575 , 67501 , 131417 , 917185 , 2005281 , 1561791 , 76746833 , 72784661 , 825163718 , 200902149 , 9175815190 , 4355567030
n×2
5577395976
n×3
8366093964
n×4
11154791952
n×5
13943489940
n÷2
1394348994
n÷3
929565996
n÷3
697174497
n÷5
557739597.6
n2
7776836468275248144
n3
2.1687248212084E+28
n4
6.0479185454296E+37
n5
1.6865818279227E+47
2 √n
52808.124261329
3 √n
1407.5607925729
4 √n
229.80018333615
5 √n
77.460500121394
1 , 2 , 4 , 9 , 18 , 36 , 77463833 , 154927666 , 309855332 , 697174497 , 1394348994 , 2788697988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2788697987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2788697988 can be divided by 12 positive divisors.
The sum of these divisors (counting 2788697988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10100110001110000010011110000100
3
Ternary
21012100102112110200
4
Quaternary
2212032002132010
5
Quinary
21202401313423
6
Senary
1140415250500
8
Octal
24616023604
10
Decimal
2788697988
12
Duodecimal
659b19a30
16
Hexadecimal
a6382784
20
Vigesimal
23b974j8
36
Base36
1a4bh50
md5
a6937fa8cc828c8b69189fc074d0fd85
sha1
83c21385e2815afceaff0cdc88e77f0b14043f31
sha256
34cb211e4d1f0a17a5c9fd13686e9b842ed6852732d57d5e75ac1889c18c7567
sha512
cb4da41dc292d9686fa0ca57aa937c9238794a33a23426ec0e4e98c9f135042510d0a1bd1555caef42101952a933982b4b1694cb3c0b41858c67142c3821a7b4
ripemd-160
e83b863a7b81cbcbab9e5fc5b4a61def021db712
Diameter
5577395976
Circumference
17521906224.363
Area
2.4431652316903E+19
Volume
9.084333287955E+28
Surface area
9.7726609267611E+19
Circumference
17521906224.363
Perimeter
11154791952
Area
7776836468275248144
Diagonal
3943814515.9922
Surface area
4.6661018809651E+19
Volume
2.1687248212084E+28
Space diagonal
4830166602.1811
Perimeter
8366093964
Area
3.3674689713018E+18
Altitude
2415083301.0906
Surface area
3.3674689713018E+18
Volume
2.5558667126734E+27
Height
1314604838.6641