1287913146 is an even 10-digits composite number following 1287913145
and preceding 1287913147 . In scientific notation, it is written as 1.287913146 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 396280944 positive integers (up to 1287913146) that are relatively prime to 1287913146.
1287913146 has 16 divisors, whose sum is 2773966944
The reverse of 1287913146 is 6413197821
Previous prime number is 13
Is Prime? no
Number parity even
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion two hundred eighty-seven million nine hundred thirteen thousand one hundred forty-six
Scientific notation
1.287913146 × 10^9
Engineering notation
1.287913146 × 10^9
Prime Factorization
2 × 3 × 13 × 16511707
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1287913146
Product of the distinct prime numbers
The prime factorization of 1287913146 is 2 × 3 × 13 × 16511707.
Since it has a total of 4 prime factors.
8 , 8 , 62 , 29 , 639 , 480 , 5746 , 9005 , 7134 , 57245 , 858796 , 964724 , 665671 , 4196524 , 33493890 , 79022796 , 532205513 , 655326679 , 3755412876 , 3768591704
n×2
2575826292
n×3
3863739438
n×4
5151652584
n×5
6439565730
n÷2
643956573
n÷3
429304382
n÷3
321978286.5
n÷5
257582629.2
n2
1658720271639617316
n3
2.1362876433814E+27
n4
2.7513529395482E+36
n5
3.5435036201299E+45
2 √n
35887.506823406
3 √n
1087.9999082009
4 √n
189.43998211414
5 √n
66.370840161058
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 16511707 , 33023414 , 49535121 , 99070242 , 214652191 , 429304382 , 643956573 , 1287913146
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1287913145
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1287913146 can be divided by 16 positive divisors.
The sum of these divisors (counting 1287913146) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000111111111010111010
3
Ternary
10022202102202200220
4
Quaternary
1030300333322322
5
Quinary
10114201210041
6
Senary
331444240510
8
Octal
11460777272
10
Decimal
1287913146
12
Duodecimal
2bb3a0136
16
Hexadecimal
4cc3feba
20
Vigesimal
102992h6
36
Base36
lasg56
md5
57abb2a509bc175d85afe36d02b54c6b
sha1
77417dc00c50b1f72005003232050730836ae3b2
sha256
51f56b1535dbde088d77e09f4e0ad146ca37ceb5b47a8fb842126e5613a3be7a
sha512
72221205ad530c8c31d5944204604d967048a865ca523e15d678756a50e8ea29ebcc2e5bf208dcd56f27ff7748b7cdf136975fa6745201ec7ba697cb3bc2ccc2
ripemd-160
1085a40ad5eb1c4539e01726311c3124122ae621
Diameter
2575826292
Circumference
8092196955.8706
Area
5.2110234197435E+18
Volume
8.948460755202E+27
Surface area
2.0844093678974E+19
Circumference
8092196955.8706
Perimeter
5151652584
Area
1658720271639617316
Diagonal
1821384238.2318
Surface area
9.9523216298377E+18
Volume
2.1362876433814E+27
Space diagonal
2230731004.6079
Perimeter
3863739438
Area
7.1824694650607E+17
Altitude
1115365502.3039
Surface area
7.1824694650607E+17
Volume
2.517639132E+26
Height
607128079.4106