1285164988 is an even 10-digits composite number following 1285164987
and preceding 1285164989 . In scientific notation, it is written as 1.285164988 × 10^9.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 630458192 positive integers (up to 1285164988) that are relatively prime to 1285164988.
1285164988 has 12 divisors, whose sum is 2291473800
The reverse of 1285164988 is 8894615821
Previous prime number is 53
Is Prime? no Number parity even Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion two hundred eighty-five million one hundred sixty-four thousand nine hundred eighty-eight
Scientific notation
1.285164988 × 10^9
Engineering notation
1.285164988 × 10^9
Prime Factorization
2 × 2 × 53 × 6062099
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
642582494 Product of the distinct prime numbers
The prime factorization of 1285164988 is 2 × 2 × 53 × 6062099.
Since it has a total of 4 prime factors.
5 , 10 , 35 , 95 , 617 , 104 , 1088 , 4766 , 54158 , 74962 , 783464 , 812607 , 4075124 , 3075747 , 81742687 , 62193500 , 947591783 , 72285050 , 6635601654 , 8413231920
n×2
2570329976
n×3
3855494964
n×4
5140659952
n×5
6425824940
n÷2
642582494
n÷3
428388329.33333
n÷3
321291247
n÷5
257032997.6
n2
1651649046381040144
n3
2.1226415268725E+27
n4
2.7279445724114E+36
n5
3.5058588536678E+45
2 √n35849.197871082
3 √n1087.225496542
4 √n189.33884406292
5 √n66.342491442668
1 , 2 , 4 , 53 , 106 , 212 , 6062099 , 12124198 , 24248396 , 321291247 , 642582494 , 1285164988
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
-1285164987 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 1285164988 can be divided by 12 positive divisors.
The sum of these divisors (counting 1285164988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100110100000111110111100
3
Ternary
10022120021010221021
4
Quaternary
1030212200332330
5
Quinary
10113000234423
6
Senary
331305313524
8
Octal
11446407674
10
Decimal
1285164988
12
Duodecimal
2ba4958a4
16
Hexadecimal
4c9a0fbc
20
Vigesimal
101c5c98
36
Base36
l95jng
md5
0bfbbdfc242c913fafa317c30f8e082e
sha1
e80dea15e6ecd95ab977878674d591015002f5ad
sha256
a324c3e46033563471a628fed4686d2cc13653548442ab75965dd99f2e74763d
sha512
a3d7d73381c6366d79438b7d9340e67ced0f91cd7893ddb69c9e9b913d9b2aa3226481f46ea6ee1065a3ecbdd0c3e64c5c4ae06a79f7010fcac8430b2c76d9a6
ripemd-160
7f68622b0168b25ffbd3f42aefcdc34733837a2e
Diameter
2570329976
Circumference
8074929769.9032
Area
5.1888085104193E+18
Volume
8.8913000360364E+27
Surface area
2.0755234041677E+19
Circumference
8074929769.9032
Perimeter
5140659952
Area
1651649046381040144
Diagonal
1817497755.9167
Surface area
9.9098942782862E+18
Volume
2.1226415268725E+27
Space diagonal
2225971055.3246
Perimeter
3855494964
Area
7.1518501615116E+17
Altitude
1112985527.6623
Surface area
7.1518501615116E+17
Volume
2.5015570294662E+26
Height
605832585.30555