1288807768 is an even 10-digits composite number following 1288807767
and preceding 1288807769 . In scientific notation, it is written as 1.288807768 × 10^9.
The sum of its digits is 55. It has a total of 4 prime factors and 8 positive divisors.
There are 644403880 positive integers (up to 1288807768) that are relatively prime to 1288807768.
1288807768 has 8 divisors, whose sum is 2416514580
The reverse of 1288807768 is 8677088821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion two hundred eighty-eight million eight hundred seven thousand seven hundred sixty-eight
Scientific notation
1.288807768 × 10^9
Engineering notation
1.288807768 × 10^9
Prime Factorization
2 × 2 × 2 × 161100971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
322201942
Product of the distinct prime numbers
The prime factorization of 1288807768 is 2 × 2 × 2 × 161100971.
Since it has a total of 4 prime factors.
4 , 9 , 98 , 96 , 270 , 466 , 1558 , 7995 , 96089 , 39328 , 355365 , 459796 , 8891757 , 5234009 , 73113904 , 47219298 , 902370662 , 586563348 , 7079831594 , 2747944529
n×2
2577615536
n×3
3866423304
n×4
5155231072
n×5
6444038840
n÷2
644403884
n÷3
429602589.33333
n÷3
322201942
n÷5
257761553.6
n2
1661025462857141824
n3
2.1407425193761E+27
n4
2.7590055882598E+36
n5
3.5558278341046E+45
2 √n
35899.968913636
3 √n
1088.2517687066
4 √n
189.47287118117
5 √n
66.380058224074
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1288807767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1288807768 can be divided by 8 positive divisors.
The sum of these divisors (counting 1288807768) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100011010010101011000
3
Ternary
10022211010012220001
4
Quaternary
1030310122111120
5
Quinary
10114413322033
6
Senary
331515342344
8
Octal
11464322530
10
Decimal
1288807768
12
Duodecimal
2bb7519b4
16
Hexadecimal
4cd1a558
20
Vigesimal
102f0j88
36
Base36
lbbmfs
md5
d6658af56add174065d6101d40de9798
sha1
866dd3d7ec9828b2fb7cec5ccf1b28479d2750c6
sha256
a40cdec61023571660b0028bbb07d2be39e1b9601a91082c6e373faa7e9c513d
sha512
35a19173c3fb71c37d21cf95eb395b4f94063bb326bd45b55a56a9ebf5728a3081ee4189827c629ca1faead18adc8df864dfc849f4426416528ef8c77003de01
ripemd-160
49edc0b19e49c8dc1ff928d317ede7f5764bef1c
Diameter
2577615536
Circumference
8097818031.6765
Area
5.2182653915376E+18
Volume
8.9671212961323E+27
Surface area
2.087306156615E+19
Circumference
8097818031.6765
Perimeter
5155231072
Area
1661025462857141824
Diagonal
1822649424.7974
Surface area
9.9661527771428E+18
Volume
2.1407425193761E+27
Space diagonal
2232280535.3654
Perimeter
3866423304
Area
7.1924512358355E+17
Altitude
1116140267.6827
Surface area
7.1924512358355E+17
Volume
2.5228892537087E+26
Height
607549808.2658