1280479972 is an even 10-digits composite number following 1280479971
and preceding 1280479973 . In scientific notation, it is written as 1.280479972 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 625350600 positive integers (up to 1280479972) that are relatively prime to 1280479972.
1280479972 has 12 divisors, whose sum is 2292952816
The reverse of 1280479972 is 2799740821
Previous prime number is 43
Is Prime? no Number parity even Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion two hundred eighty million four hundred seventy-nine thousand nine hundred seventy-two
Scientific notation
1.280479972 × 10^9
Engineering notation
1.280479972 × 10^9
Prime Factorization
2 × 2 × 43 × 7444651
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
640239986 Product of the distinct prime numbers
The prime factorization of 1280479972 is 2 × 2 × 43 × 7444651.
Since it has a total of 4 prime factors.
9 , 4 , 2 , 81 , 130 , 182 , 1898 , 8237 , 95123 , 21868 , 503365 , 859306 , 741800 , 3661547 , 69668100 , 96659098 , 913613148 , 272251389 , 4528731752 , 4027424306
n×2
2560959944
n×3
3841439916
n×4
5121919888
n×5
6402399860
n÷2
640239986
n÷3
426826657.33333
n÷3
320119993
n÷5
256095994.4
n2
1639628958693120784
n3
2.0995120431178E+27
n4
2.6883831221851E+36
n5
3.4424207450208E+45
2 √n35783.794823914
3 √n1085.9027426421
4 √n189.16605092858
5 √n66.294050992314
1 , 2 , 4 , 43 , 86 , 172 , 7444651 , 14889302 , 29778604 , 320119993 , 640239986 , 1280479972
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1280479971 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1280479972 can be divided by 12 positive divisors.
The sum of these divisors (counting 1280479972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010100101001001011100100
3
Ternary
10022020110010022011
4
Quaternary
1030110221023210
5
Quinary
10110300324342
6
Senary
331021044004
8
Octal
11424511344
10
Decimal
1280479972
12
Duodecimal
2b89b6604
16
Hexadecimal
4c5292e4
20
Vigesimal
1002jjic
36
Base36
l6d4o4
md5
fdb7a37a6905e1018f5d439fd81a3f73
sha1
0bd517fb701fa314990839385063a3bef1e84a71
sha256
1ae1e029be78613f3f4d3417750f201f410dadfbfe7e0984f31ad1317adff159
sha512
7b006cf0177ff3c1311c42e46e54d86b01960cd1d76cab5ba6628bdc9b4dd07adbc28b2074aa924311d535af82fdaec201143c6f93240ec8e251179952ddb978
ripemd-160
be174dd353134a0a8821955a81f5b28155a50251
Diameter
2560959944
Circumference
8045492946.2081
Area
5.1510462912434E+18
Volume
8.7944154810427E+27
Surface area
2.0604185164974E+19
Circumference
8045492946.2081
Perimeter
5121919888
Area
1639628958693120784
Diagonal
1810872142.7495
Surface area
9.8377737521587E+18
Volume
2.0995120431178E+27
Space diagonal
2217856369.5784
Perimeter
3841439916
Area
7.0998016550443E+17
Altitude
1108928184.7892
Surface area
7.0998016550443E+17
Volume
2.4742986714523E+26
Height
603624047.58317