2788996978 is an even 10-digits composite number following 2788996977
and preceding 2788996979 . In scientific notation, it is written as 2.788996978 × 10^9.
The sum of its digits is 73. It has a total of 2 prime factors and 4 positive divisors.
There are 1394498488 positive integers (up to 2788996978) that are relatively prime to 2788996978.
2788996978 has 4 divisors, whose sum is 4183495470
The reverse of 2788996978 is 8796998872
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 73
Digital Root 1
Name
two billion seven hundred eighty-eight million nine hundred ninety-six thousand nine hundred seventy-eight
Scientific notation
2.788996978 × 10^9
Engineering notation
2.788996978 × 10^9
Prime Factorization
2 × 1394498489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2788996978
Product of the distinct prime numbers
The prime factorization of 2788996978 is 2 × 1394498489.
Since it has a total of 2 prime factors.
3 , 3 , 58 , 6 , 995 , 870 , 716 , 3509 , 53529 , 32452 , 451298 , 592114 , 4886389 , 4417292 , 33434006 , 92460919 , 140119092 , 279393419 , 677939592 , 1053888018
n×2
5577993956
n×3
8366990934
n×4
11155987912
n×5
13944984890
n÷2
1394498489
n÷3
929665659.33333
n÷3
697249244.5
n÷5
557799395.6
n2
7778504143293132484
n3
2.1694224549005E+28
n4
6.0505126707228E+37
n5
1.6874861553997E+47
2 √n
52810.955094563
3 √n
1407.6110946092
4 √n
229.80634258994
5 √n
77.462161034254
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2788996977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2788996978 can be divided by 4 positive divisors.
The sum of these divisors (counting 2788996978) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100110001111001011011101110010
3
Ternary
21012100222201121101
4
Quaternary
2212033023131302
5
Quinary
21202440400403
6
Senary
1140425515014
8
Octal
24617133562
10
Decimal
2788996978
12
Duodecimal
65a042a6a
16
Hexadecimal
a63cb772
20
Vigesimal
23bb4c8i
36
Base36
1a4hvua
md5
072fd7d99e63d0bffe804f61f64e4f3f
sha1
13beda3812381a052e6e740d5a2fe402861f04ee
sha256
d57f4a9a4254d42c341335f853406c63b8acaa5b740237a9e331de4d516d30c1
sha512
d3fa3c744f2e20c3c30df4cac538f9770b36a05bbf2d5df2fa83434ae8a6edc82504bfc194af1346d5959b2b8eb7df5fa070b924aece7e3467de19c843332c94
ripemd-160
4378ef58cfcf4b71edf9f5811c52836112c1cedb
Diameter
5577993956
Circumference
17523784833.938
Area
2.4436891472487E+19
Volume
9.0872555291309E+28
Surface area
9.774756588995E+19
Circumference
17523784833.938
Perimeter
11155987912
Area
7778504143293132484
Diagonal
3944237351.7052
Surface area
4.6671024859759E+19
Volume
2.1694224549005E+28
Space diagonal
4830684468.0521
Perimeter
8366990934
Area
3.3681910957672E+18
Altitude
2415342234.026
Surface area
3.3681910957672E+18
Volume
2.5566888818642E+27
Height
1314745783.9017