1287330897 is an odd 10-digits composite number following 1287330896
and preceding 1287330898 . In scientific notation, it is written as 1.287330897 × 10^9.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 858220596 positive integers (up to 1287330897) that are relatively prime to 1287330897.
1287330897 has 4 divisors, whose sum is 1716441200
The reverse of 1287330897 is 7980337821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion two hundred eighty-seven million three hundred thirty thousand eight hundred ninety-seven
Scientific notation
1.287330897 × 10^9
Engineering notation
1.287330897 × 10^9
Prime Factorization
3 × 429110299
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1287330897
Product of the distinct prime numbers
The prime factorization of 1287330897 is 3 × 429110299.
Since it has a total of 2 prime factors.
2 , 1 , 100 , 100 , 806 , 432 , 5083 , 7885 , 63694 , 22710 , 145165 , 632215 , 2372527 , 1869117 , 54745352 , 58613662 , 890160849 , 312194573 , 5956285690 , 4685258021
n×2
2574661794
n×3
3861992691
n×4
5149323588
n×5
6436654485
n÷2
643665448.5
n÷3
429110299
n÷3
321832724.25
n÷5
257466179.4
n2
1657220838370824609
n3
2.133391588387E+27
n4
2.7463809071305E+36
n5
3.53550099668E+45
2 √n
35879.393765781
3 √n
1087.8359265565
4 √n
189.41856763734
5 √n
66.364837994596
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
-1287330896
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 1287330897 can be divided by 4 positive divisors.
The sum of these divisors (counting 1287330897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101110110001110001010001
3
Ternary
10022201100012000010
4
Quaternary
1030232301301101
5
Quinary
10114024042042
6
Senary
331423545133
8
Octal
11456616121
10
Decimal
1287330897
12
Duodecimal
2bb15b1a9
16
Hexadecimal
4cbb1c51
20
Vigesimal
1025g74h
36
Base36
lafyvl
md5
b96fd7b6aafd4026fdcd761f3ab33367
sha1
be558231f7d8307c65caabd007fd88e45d3af568
sha256
ed42193811b55a11e79a95502be13402057d6397ee265d39d20bfaaa296f5f6f
sha512
bf7054471eaa56c04c006c3220444b7ba26b7c69e2218aec897cd625ea7efd0d12adc24eefb2ccb773d8b4a946fcff21ee258d42e8be32415382b1250255a2ee
ripemd-160
a9caab7c7e6108df8486f4b38ee8767b939251c7
Diameter
2574661794
Circumference
8088538577.5087
Area
5.2063128112017E+18
Volume
8.9363297884092E+27
Surface area
2.0825251244807E+19
Circumference
8088538577.5087
Perimeter
5149323588
Area
1657220838370824609
Diagonal
1820560813.7993
Surface area
9.9433250302249E+18
Volume
2.133391588387E+27
Space diagonal
2229722519.7572
Perimeter
3861992691
Area
7.1759767285504E+17
Altitude
1114861259.8786
Surface area
7.1759767285504E+17
Volume
2.514226098458E+26
Height
606853604.59977