1387889439 is an odd 10-digits composite number following 1387889438
and preceding 1387889440 . In scientific notation, it is written as 1.387889439 × 10^9.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 924807000 positive integers (up to 1387889439) that are relatively prime to 1387889439.
1387889439 has 8 divisors, whose sum is 1851424512
The reverse of 1387889439 is 9349887831
Previous prime number is 2063
Is Prime? no Number parity odd Number length 10 Sum of Digits 60 Digital Root 6
Name
one billion three hundred eighty-seven million eight hundred eighty-nine thousand four hundred thirty-nine
Scientific notation
1.387889439 × 10^9
Engineering notation
1.387889439 × 10^9
Prime Factorization
3 × 2063 × 224251
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1387889439 Product of the distinct prime numbers
The prime factorization of 1387889439 is 3 × 2063 × 224251.
Since it has a total of 3 prime factors.
8 , 9 , 9 , 100 , 216 , 227 , 8494 , 8357 , 76255 , 75697 , 988266 , 630731 , 6881213 , 2304260 , 47662595 , 17255737 , 480281529 , 170928515 , 3993666887 , 6147151935
n×2
2775778878
n×3
4163668317
n×4
5551557756
n×5
6939447195
n÷2
693944719.5
n÷3
462629813
n÷3
346972359.75
n÷5
277577887.8
n2
1926237094887734721
n3
2.6734041210047E+27
n4
3.7103893457215E+36
n5
5.149610187505E+45
2 √n37254.388184481
3 √n1115.4538933747
4 √n193.01395852239
5 √n67.370686720683
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1387889438 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387889439 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387889439) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110011000001100011111
3
Ternary
10120201120002101120
4
Quaternary
1102232120030133
5
Quinary
10320244430224
6
Senary
345415142023
8
Octal
12256301437
10
Decimal
1387889439
12
Duodecimal
328974913
16
Hexadecimal
52b9831f
20
Vigesimal
11de63bj
36
Base36
mybacf
md5
b8d6f44b2141a8624f79ee12bf6be003
sha1
7a7ac819d3c74273acbc4903e1be50f71d1a14e0
sha256
8a6e8e7cfe75925915266c38174975d341f9bbcd0bbe3beddbec25788e27caea
sha512
4cc14505b6a4a423355a8c4658a741b82c09a08dc0af1aa8aef23ae3c100a3b927a79397253e3c88c03dbc0efaa53926b77286c0ba247d33dac66a18669aa6a2
ripemd-160
94043bbd00e9b93fda7acf52d1900a54067360e6
Diameter
2775778878
Circumference
8720366531.1145
Area
6.0514523063715E+18
Volume
1.11983289955E+28
Surface area
2.4205809225486E+19
Circumference
8720366531.1145
Perimeter
5551557756
Area
1926237094887734721
Diagonal
1962772067.7082
Surface area
1.1557422569326E+19
Volume
2.6734041210047E+27
Space diagonal
2403895023.6363
Perimeter
4163668317
Area
8.3408512894236E+17
Altitude
1201947511.8181
Surface area
8.3408512894236E+17
Volume
3.1506369713575E+26
Height
654257355.90273