1280147984 is an even 10-digits composite number following 1280147983
and preceding 1280147985 . In scientific notation, it is written as 1.280147984 × 10^9.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 612244512 positive integers (up to 1280147984) that are relatively prime to 1280147984.
1280147984 has 20 divisors, whose sum is 2588126016
The reverse of 1280147984 is 4897410821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion two hundred eighty million one hundred forty-seven thousand nine hundred eighty-four
Scientific notation
1.280147984 × 10^9
Engineering notation
1.280147984 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 23 × 3478663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
160018498
Product of the distinct prime numbers
The prime factorization of 1280147984 is 2 × 2 × 2 × 2 × 23 × 3478663.
Since it has a total of 6 prime factors.
9 , 6 , 16 , 86 , 230 , 631 , 7513 , 9378 , 70489 , 56735 , 97945 , 752460 , 3885997 , 6433983 , 63018022 , 17331252 , 472428622 , 137112801 , 6731253595 , 6434602460
n×2
2560295968
n×3
3840443952
n×4
5120591936
n×5
6400739920
n÷2
640073992
n÷3
426715994.66667
n÷3
320036996
n÷5
256029596.8
n2
1638778860939264256
n3
2.0978794550532E+27
n4
2.6855961550614E+36
n5
3.43796050374E+45
2 √n
35779.155719497
3 √n
1085.8088877731
4 √n
189.15378854122
5 √n
66.290613045182
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 368 , 3478663 , 6957326 , 13914652 , 27829304 , 55658608 , 80009249 , 160018498 , 320036996 , 640073992 , 1280147984
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
-1280147983
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 1280147984 can be divided by 20 positive divisors.
The sum of these divisors (counting 1280147984) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100010011011000001000010000
3
Ternary
10022012211020220022
4
Quaternary
1030103120020100
5
Quinary
10110204213414
6
Senary
331010003012
8
Octal
11423301020
10
Decimal
1280147984
12
Duodecimal
2b8876468
16
Hexadecimal
4c4d8210
20
Vigesimal
1000i9j4
36
Base36
l660i8
md5
92197e7a1569421354d348df692b1397
sha1
5c96588786b82489c3958293a445c184da67e718
sha256
c8f53518136d3a85c02cca48f33b68612898e2892a5fc4952b49d79862d9094e
sha512
aca392c55374827bdd7283a4800b232b6ebe37b442033123d828b382a5e6509b57742331a8e53cfec0743b89d191b58f5e1520d16eebc948d74e1e98abd413a4
ripemd-160
8b7677e8a97381842a8f4e3d621356644d55d312
Diameter
2560295968
Circumference
8043407004.0844
Area
5.148375630385E+18
Volume
8.7875769121495E+27
Surface area
2.059350252154E+19
Circumference
8043407004.0844
Perimeter
5120591936
Area
1638778860939264256
Diagonal
1810402640.8174
Surface area
9.8326731656356E+18
Volume
2.0978794550532E+27
Space diagonal
2217281349.4949
Perimeter
3840443952
Area
7.0961206237916E+17
Altitude
1108640674.7474
Surface area
7.0961206237916E+17
Volume
2.4723746479668E+26
Height
603467546.93913