1287369968 is an even 10-digits composite number following 1287369967
and preceding 1287369969 . In scientific notation, it is written as 1.287369968 × 10^9.
The sum of its digits is 59. It has a total of 6 prime factors and 20 positive divisors.
There are 641651904 positive integers (up to 1287369968) that are relatively prime to 1287369968.
1287369968 has 20 divisors, whose sum is 2502157560
The reverse of 1287369968 is 8699637821
Previous prime number is 317
Is Prime? no
Number parity even
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion two hundred eighty-seven million three hundred sixty-nine thousand nine hundred sixty-eight
Scientific notation
1.287369968 × 10^9
Engineering notation
1.287369968 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 317 × 253819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
160921246
Product of the distinct prime numbers
The prime factorization of 1287369968 is 2 × 2 × 2 × 2 × 317 × 253819.
Since it has a total of 6 prime factors.
6 , 3 , 22 , 96 , 13 , 21 , 4788 , 6355 , 40957 , 78514 , 845280 , 301110 , 579517 , 5612789 , 43754243 , 32132112 , 104403573 , 207671687 , 926750382 , 7336893601
n×2
2574739936
n×3
3862109904
n×4
5149479872
n×5
6436849840
n÷2
643684984
n÷3
429123322.66667
n÷3
321842492
n÷5
257473993.6
n2
1657321434508321024
n3
2.1335858421087E+27
n4
2.7467143372807E+36
n5
3.5360375484902E+45
2 √n
35879.93823852
3 √n
1087.8469318615
4 √n
189.42000485302
5 √n
66.365240829502
1 , 2 , 4 , 8 , 16 , 317 , 634 , 1268 , 2536 , 5072 , 253819 , 507638 , 1015276 , 2030552 , 4061104 , 80460623 , 160921246 , 321842492 , 643684984 , 1287369968
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
-1287369967
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 1287369968 can be divided by 20 positive divisors.
The sum of these divisors (counting 1287369968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100101110111011010011110000
3
Ternary
10022201102011121012
4
Quaternary
1030232323103300
5
Quinary
10114031314333
6
Senary
331424450052
8
Octal
11456732360
10
Decimal
1287369968
12
Duodecimal
2bb179928
16
Hexadecimal
4cbbb4f0
20
Vigesimal
102614i8
36
Base36
lagt0w
md5
1928cf80c16de29aafe032a0b4956de8
sha1
f9e9a84c91313dd42b8f0d7629dcc88abbeb3ec9
sha256
006b1df79db1180a9db0d34c3b0c10ebe8af8f899c08a84d79a23732ed11cfb1
sha512
e16063327ff471a2c66c32a2170ad844f47790f72295f5618c12ad7b45c2c6a8ededa33b279416e5764147d8e3c1ec54a841285fd107639ff84570ef1833019d
ripemd-160
53f9b99551b17afd1060db8e58b64aba0b737eca
Diameter
2574739936
Circumference
8088784067.8419
Area
5.2066288432882E+18
Volume
8.9371434764958E+27
Surface area
2.0826515373153E+19
Circumference
8088784067.8419
Perimeter
5149479872
Area
1657321434508321024
Diagonal
1820616068.5374
Surface area
9.9439286070499E+18
Volume
2.1335858421087E+27
Space diagonal
2229790192.7143
Perimeter
3862109904
Area
7.1764123226034E+17
Altitude
1114895096.3572
Surface area
7.1764123226034E+17
Volume
2.5144550286644E+26
Height
606872022.84581