1286137989 is an odd 10-digits composite number following 1286137988
and preceding 1286137990 . In scientific notation, it is written as 1.286137989 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 819225792 positive integers (up to 1286137989) that are relatively prime to 1286137989.
1286137989 has 16 divisors, whose sum is 1492848000
The reverse of 1286137989 is 9897316821
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion two hundred eighty-six million one hundred thirty-seven thousand nine hundred eighty-nine
Scientific notation
1.286137989 × 10^9
Engineering notation
1.286137989 × 10^9
Prime Factorization
9 × 23 × 1049 × 5923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1286137989
Product of the distinct prime numbers
The prime factorization of 1286137989 is 9 × 23 × 1049 × 5923.
Since it has a total of 4 prime factors.
7 , 1 , 3 , 68 , 622 , 110 , 4760 , 7333 , 99998 , 87264 , 66327 , 853813 , 7569898 , 8702881 , 19005221 , 75613590 , 435293191 , 862578609 , 658770670 , 2133832257
n×2
2572275978
n×3
3858413967
n×4
5144551956
n×5
6430689945
n÷2
643068994.5
n÷3
428712663
n÷3
321534497.25
n÷5
257227597.8
n2
1654150926748964121
n3
2.1274663464314E+27
n4
2.7362152884645E+36
n5
3.5191504285767E+45
2 √n
35862.766053387
3 √n
1087.4998075307
4 √n
189.37467109777
5 √n
66.352534008599
1 , 9 , 23 , 207 , 1049 , 5923 , 9441 , 24127 , 53307 , 136229 , 217143 , 1226061 , 6213227 , 55919043 , 142904221 , 1286137989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1286137988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1286137989 can be divided by 16 positive divisors.
The sum of these divisors (counting 1286137989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101010001110100010000101
3
Ternary
10022122002120122100
4
Quaternary
1030222032202011
5
Quinary
10113222403424
6
Senary
331342222313
8
Octal
11452164205
10
Decimal
1286137989
12
Duodecimal
2ba884999
16
Hexadecimal
4ca8e885
20
Vigesimal
101i74j9
36
Base36
l9qef9
md5
380c3b3eb792f61895d6770f12064b25
sha1
6858a90ecef002e0d0e1bdf67f74327981dad0b6
sha256
b264f597f76ebf174cb7f039bc14464a68fc4d84e945bede9ded15b920174071
sha512
8e092746c7357454993b9d20a5b5db78af84315b15f61b8e9731289a187e234f4cd86689994509cd892946e44c23726a4d3cadb752a87e55df53c69aa49bba72
ripemd-160
497fff48b55ccf0ff8d6c15dc976947a63d08e77
Diameter
2572275978
Circumference
8081043315.4903
Area
5.1966683994033E+18
Volume
8.9115101929445E+27
Surface area
2.0786673597613E+19
Circumference
8081043315.4903
Perimeter
5144551956
Area
1654150926748964121
Diagonal
1818873787.1271
Surface area
9.9249055604938E+18
Volume
2.1274663464314E+27
Space diagonal
2227656342.4925
Perimeter
3858413967
Area
7.1626836212909E+17
Altitude
1113828171.2462
Surface area
7.1626836212909E+17
Volume
2.5072431338464E+26
Height
606291262.37569