1288343381 is an odd 10-digits composite number following 1288343380
and preceding 1288343382 . In scientific notation, it is written as 1.288343381 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1187684352 positive integers (up to 1288343381) that are relatively prime to 1288343381.
1288343381 has 8 divisors, whose sum is 1389261720
The reverse of 1288343381 is 1833438821
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion two hundred eighty-eight million three hundred forty-three thousand three hundred eighty-one
Scientific notation
1.288343381 × 10^9
Engineering notation
1.288343381 × 10^9
Prime Factorization
13 × 769 × 128873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1288343381
Product of the distinct prime numbers
The prime factorization of 1288343381 is 13 × 769 × 128873.
Since it has a total of 3 prime factors.
6 , 5 , 68 , 91 , 775 , 230 , 241 , 9798 , 30737 , 50531 , 999397 , 81215 , 92433 , 8361341 , 67726192 , 88141978 , 85916144 , 728259140 , 3813224794 , 2944602162
n×2
2576686762
n×3
3865030143
n×4
5153373524
n×5
6441716905
n÷2
644171690.5
n÷3
429447793.66667
n÷3
322085845.25
n÷5
257668676.2
n2
1659828667366511161
n3
2.1384292771957E+27
n4
2.7550312050117E+36
n5
3.5494262174253E+45
2 √n
35893.500539791
3 √n
1088.1210456467
4 √n
189.45580101911
5 √n
66.375273882955
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
-1288343380
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 1288343381 can be divided by 8 positive divisors.
The sum of these divisors (counting 1288343381) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010101000111101010101
3
Ternary
10022210020121212112
4
Quaternary
1030302220331111
5
Quinary
10114303442011
6
Senary
331501400405
8
Octal
11462507525
10
Decimal
1288343381
12
Duodecimal
2bb569105
16
Hexadecimal
4cca8f55
20
Vigesimal
102c2i91
36
Base36
lb1o45
md5
f7a30a35425343ebb8a9a161c5e14230
sha1
34d2374057e210119e5c0bd3f60db265d3030bc0
sha256
cc669c0034d1cfaafef95883655f01b47f81a714d07d3b551c8d5cfd13fb2b07
sha512
0963213bcb46b951273168a43bf130b006081fc045aabfa5401db458f56302914bfe4335f382f1fa747efa7ba0793a6d537ef63878600d1a71ea9942c4c356c1
ripemd-160
9c53bb2e219dda9b05d6cdb4ad1a5c3ef27060ea
Diameter
2576686762
Circumference
8094900202.1013
Area
5.2145055476164E+18
Volume
8.9574316099458E+27
Surface area
2.0858022190465E+19
Circumference
8094900202.1013
Perimeter
5153373524
Area
1659828667366511161
Diagonal
1821992682.4038
Surface area
9.9589720041991E+18
Volume
2.1384292771957E+27
Space diagonal
2231476193.4871
Perimeter
3865030143
Area
7.1872689593453E+17
Altitude
1115738096.7435
Surface area
7.1872689593453E+17
Volume
2.5201630716549E+26
Height
607330894.1346