1278648045 is an odd 10-digits composite number following 1278648044
and preceding 1278648046 . In scientific notation, it is written as 1.278648045 × 10^9.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 681945552 positive integers (up to 1278648045) that are relatively prime to 1278648045.
1278648045 has 4 divisors, whose sum is 1288119648
The reverse of 1278648045 is 5408468721
Previous prime number is 135
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion two hundred seventy-eight million six hundred forty-eight thousand forty-five
Scientific notation
1.278648045 × 10^9
Engineering notation
1.278648045 × 10^9
Prime Factorization
135 × 9471467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1278648045
Product of the distinct prime numbers
The prime factorization of 1278648045 is 135 × 9471467.
Since it has a total of 2 prime factors.
9 , 7 , 42 , 13 , 564 , 423 , 4801 , 5953 , 42430 , 81900 , 239860 , 10199 , 1340929 , 5330889 , 58465731 , 96417680 , 507393558 , 848036830 , 7622770581 , 4556903293
n×2
2557296090
n×3
3835944135
n×4
5114592180
n×5
6393240225
n÷2
639324022.5
n÷3
426216015
n÷3
319662011.25
n÷5
255729609
n2
1634940822982322025
n3
2.090513886997E+27
n4
2.6730314946541E+36
n5
3.4178664948629E+45
2 √n
35758.188502775
3 √n
1085.3846442161
4 √n
189.09835668978
5 √n
66.275071324806
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1278648044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1278648045 can be divided by 4 positive divisors.
The sum of these divisors (counting 1278648045) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001101101001111011101101
3
Ternary
10022010000001101000
4
Quaternary
1030031221323231
5
Quinary
10104313214140
6
Senary
330513510513
8
Octal
11415517355
10
Decimal
1278648045
12
Duodecimal
2b8272439
16
Hexadecimal
4c369eed
20
Vigesimal
jjbb025
36
Base36
l59v59
md5
8de5736cab5e7f510827ad19813452a5
sha1
00f7660e3a25aa40ce95d63a4c7e38eb50cd940b
sha256
5947b3f5563f1256310396d41f67b778d518c56a8eb87e6efdb090c18fea4ba2
sha512
6ecd93c1ec8b5f94a5448ec2fb431b419f14b0046a5c41eeab42a91af076f21a38bbfd91bac11a9bd93d9f958e0fe28594ba0188413d1c5a3a8c7597ff6cdcf4
ripemd-160
f97a852c35b38685a4386b12f1f3c1c55a955ef9
Diameter
2557296090
Circumference
8033982609.3979
Area
5.1363180785353E+18
Volume
8.7567240928231E+27
Surface area
2.0545272314141E+19
Circumference
8033982609.3979
Perimeter
5114592180
Area
1634940822982322025
Diagonal
1808281406.7408
Surface area
9.8096449378939E+18
Volume
2.090513886997E+27
Space diagonal
2214683378.9386
Perimeter
3835944135
Area
7.0795014319346E+17
Altitude
1107341689.4693
Surface area
7.0795014319346E+17
Volume
2.4636942427671E+26
Height
602760468.91361