1287668852 is an even 10-digits composite number following 1287668851
and preceding 1287668853 . In scientific notation, it is written as 1.287668852 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 643671936 positive integers (up to 1287668852) that are relatively prime to 1287668852.
1287668852 has 12 divisors, whose sum is 2253989220
The reverse of 1287668852 is 2588667821
Previous prime number is 77069
Is Prime? no Number parity even Number length 10 Sum of Digits 53 Digital Root 8
Name
one billion two hundred eighty-seven million six hundred sixty-eight thousand eight hundred fifty-two
Scientific notation
1.287668852 × 10^9
Engineering notation
1.287668852 × 10^9
Prime Factorization
2 × 2 × 77069 × 4177
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
643834426 Product of the distinct prime numbers
The prime factorization of 1287668852 is 2 × 2 × 77069 × 4177.
Since it has a total of 4 prime factors.
6 , 10 , 23 , 34 , 817 , 764 , 9459 , 9483 , 74458 , 76409 , 918743 , 350567 , 8546402 , 2419059 , 23258890 , 73912585 , 27268159 , 505279333 , 9235550856 , 1369655619
n×2
2575337704
n×3
3863006556
n×4
5150675408
n×5
6438344260
n÷2
643834426
n÷3
429222950.66667
n÷3
321917213
n÷5
257533770.4
n2
1658091072410997904
n3
2.1350722277229E+27
n4
2.7492660044091E+36
n5
3.54014419974E+45
2 √n35884.103054138
3 √n1087.9311125015
4 √n189.43099813425
5 √n66.368322098653
1 , 2 , 4 , 4177 , 8354 , 16708 , 77069 , 154138 , 308276 , 321917213 , 643834426 , 1287668852
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
-1287668851 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 1287668852 can be divided by 12 positive divisors.
The sum of these divisors (counting 1287668852) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000000100010001110100
3
Ternary
10022201222100120222
4
Quaternary
1030300010101310
5
Quinary
10114120400402
6
Senary
331435113512
8
Octal
11460042164
10
Decimal
1287668852
12
Duodecimal
2bb2a2898
16
Hexadecimal
4cc04474
20
Vigesimal
1027ic2c
36
Base36
lan7n8
md5
4aa01cfbebdb8f113049c8a1bfd17cd3
sha1
3e2af8ec4f924cc8437217217bdb26e4a7cb3864
sha256
1fb493988a88752c69c6e6ff31e587f8c64636f96cfa228ec91556a45f910b6c
sha512
e1e1e132d1f5f6dade0e145676d66adc127dcf60faf74dfd5a0d4f4098c1f65e399bccf67cc173dd58d74da262adb3f8413cf3bbadb8ccf4270f17aa372f9ffc
ripemd-160
7fefb11061c8cc4d3e0b2d9a2624202d1372ddf7
Diameter
2575337704
Circumference
8090662011.3992
Area
5.2090467320692E+18
Volume
8.9433696339972E+27
Surface area
2.0836186928277E+19
Circumference
8090662011.3992
Perimeter
5150675408
Area
1658091072410997904
Diagonal
1821038754.3438
Surface area
9.948546434466E+18
Volume
2.1350722277229E+27
Space diagonal
2230307874.9879
Perimeter
3863006556
Area
7.1797449524805E+17
Altitude
1115153937.4939
Surface area
7.1797449524805E+17
Volume
2.5162067509099E+26
Height
607012918.1146