1238128889 is an odd 10-digits composite number following 1238128888
and preceding 1238128890 . In scientific notation, it is written as 1.238128889 × 10^9.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1237824756 positive integers (up to 1238128889) that are relatively prime to 1238128889.
1238128889 has 4 divisors, whose sum is 1238433024
The reverse of 1238128889 is 9888218321
Previous prime number is 4127
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion two hundred thirty-eight million one hundred twenty-eight thousand eight hundred eighty-nine
Scientific notation
1.238128889 × 10^9
Engineering notation
1.238128889 × 10^9
Prime Factorization
4127 × 300007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1238128889
Product of the distinct prime numbers
The prime factorization of 1238128889 is 4127 × 300007.
Since it has a total of 2 prime factors.
10 , 2 , 96 , 2 , 140 , 740 , 11 , 115 , 51580 , 89160 , 741484 , 47830 , 3682828 , 3642540 , 3581272 , 13018325 , 960849863 , 107645710 , 3754590754 , 5550599289
n×2
2476257778
n×3
3714386667
n×4
4952515556
n×5
6190644445
n÷2
619064444.5
n÷3
412709629.66667
n÷3
309532222.25
n÷5
247625777.8
n2
1532963145776374321
n3
1.898005956558E+27
n4
2.3499760063086E+36
n5
2.9095731818675E+45
2 √n
35187.055702346
3 √n
1073.7964215627
4 √n
187.58213055178
5 √n
65.849604578596
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
-1238128888
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 1238128889 can be divided by 4 positive divisors.
The sum of these divisors (counting 1238128889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001110011000101100011111001
3
Ternary
10012021202110112112
4
Quaternary
1021303011203321
5
Quinary
10013430111024
6
Senary
322505222105
8
Octal
11163054371
10
Decimal
1238128889
12
Duodecimal
2a6791935
16
Hexadecimal
49cc58f9
20
Vigesimal
j6i6249
36
Base36
kh5ed5
md5
0ede48306692a10513d0937e45a548f1
sha1
bb3c4db77f23107131fb8550b08ae549300f1743
sha256
99229c439acd983eea87d2efda95497cf87fdd8739b06208c460be8a2a255d9c
sha512
445def1cbc06b27e0553760b814f37626f9e719af7eb9ba15549aa256b85dad3ec1770fb3d95cca8b7939bc1b261f430c2c79d5d99916705525e5b87560e042e
ripemd-160
44cc18484ecac12650fd142cd4387408ce34bbe3
Diameter
2476257778
Circumference
7779393243.7594
Area
4.815945756995E+18
Volume
7.9503487594566E+27
Surface area
1.926378302798E+19
Circumference
7779393243.7594
Perimeter
4952515556
Area
1532963145776374321
Diagonal
1750978666.7897
Surface area
9197778874658245926
Volume
1.898005956558E+27
Space diagonal
2144502142.0668
Perimeter
3714386667
Area
6.6379251365382E+17
Altitude
1072251071.0334
Surface area
6.6379251365382E+17
Volume
2.2368214710244E+26
Height
583659555.59658