1288407856 is an even 10-digits composite number following 1288407855
and preceding 1288407857 . In scientific notation, it is written as 1.288407856 × 10^9.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 634588416 positive integers (up to 1288407856) that are relatively prime to 1288407856.
1288407856 has 20 divisors, whose sum is 2533550392
The reverse of 1288407856 is 6587048821
Previous prime number is 67
Is Prime? no
Number parity even
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion two hundred eighty-eight million four hundred seven thousand eight hundred fifty-six
Scientific notation
1.288407856 × 10^9
Engineering notation
1.288407856 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 67 × 1201873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
161050982
Product of the distinct prime numbers
The prime factorization of 1288407856 is 2 × 2 × 2 × 2 × 67 × 1201873.
Since it has a total of 6 prime factors.
3 , 9 , 59 , 39 , 66 , 473 , 7230 , 4675 , 6927 , 85126 , 65872 , 261568 , 6315292 , 188480 , 30265602 , 44490791 , 972366888 , 56171319 , 5106437676 , 706299243
n×2
2576815712
n×3
3865223568
n×4
5153631424
n×5
6442039280
n÷2
644203928
n÷3
429469285.33333
n÷3
322101964
n÷5
257681571.2
n2
1659994803402516736
n3
2.138750345623E+27
n4
2.7555827473234E+36
n5
3.5503144595095E+45
2 √n
35894.398671659
3 √n
1088.1391969758
4 √n
189.4581712982
5 √n
66.375938218284
1 , 2 , 4 , 8 , 16 , 67 , 134 , 268 , 536 , 1072 , 1201873 , 2403746 , 4807492 , 9614984 , 19229968 , 80525491 , 161050982 , 322101964 , 644203928 , 1288407856
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1288407855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1288407856 can be divided by 20 positive divisors.
The sum of these divisors (counting 1288407856) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110010111000101100110000
3
Ternary
10022210100220022111
4
Quaternary
1030302320230300
5
Quinary
10114313022411
6
Senary
331503015104
8
Octal
11462705460
10
Decimal
1288407856
12
Duodecimal
2bb59a494
16
Hexadecimal
4ccb8b30
20
Vigesimal
102cajcg
36
Base36
lb31v4
md5
c5498473e1486acffe71b7d3cbad2984
sha1
a1d077d8fffc4ca3af0a0ee998928e41ccc940ad
sha256
caf67c551eab6fb23f4267b83c6870284783cdc7024ab546dcef2e471d2f4bc9
sha512
2640e201e38cfa1868426d5d8eacb7476905335b1110e9e7ce4a02bd901c22211458fe6fc548bed571ed1fdf5ec719565249face76211a20d8d545a7d1431db7
ripemd-160
b13b777636473bdba6c66033012236899383d019
Diameter
2576815712
Circumference
8095305310.474
Area
5.2150274793666E+18
Volume
8.958776498229E+27
Surface area
2.0860109917466E+19
Circumference
8095305310.474
Perimeter
5153631424
Area
1659994803402516736
Diagonal
1822083863.8232
Surface area
9.9599688204151E+18
Volume
2.138750345623E+27
Space diagonal
2231587867.4629
Perimeter
3865223568
Area
7.1879883494837E+17
Altitude
1115793933.7314
Surface area
7.1879883494837E+17
Volume
2.5205414544251E+26
Height
607361287.94108