128045809 is an odd 9-digits composite number following 128045808
and preceding 128045810 . In scientific notation, it is written as 1.28045809 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 127954404 positive integers (up to 128045809) that are relatively prime to 128045809.
128045809 has 4 divisors, whose sum is 128137216
The reverse of 128045809 is 908540821
Previous prime number is 1423
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million forty-five thousand eight hundred nine
Scientific notation
1.28045809 × 10^8
Engineering notation
1.28045809 × 10^6
Prime Factorization
1423 × 89983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128045809
Product of the distinct prime numbers
The prime factorization of 128045809 is 1423 × 89983.
Since it has a total of 2 prime factors.
9 , 10 , 86 , 3 , 992 , 595 , 5159 , 23 , 61808 , 72775 , 926549 , 872485 , 9226125 , 3149612 , 41171454 , 69247526 , 250421157 , 578406059 , 4959196889 , 4156592764
n×2
256091618
n×3
384137427
n×4
512183236
n×5
640229045
n÷2
64022904.5
n÷3
42681936.333333
n÷3
32011452.25
n÷5
25609161.8
n2
16395729202464481
n3
2.0994044098745E+24
n4
2.6881993608055E+32
n5
3.4421266190762E+40
2 √n
11315.732808793
3 √n
504.02853333252
4 √n
106.37543329544
5 √n
41.828575406572
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
-128045808
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 128045809 can be divided by 4 positive divisors.
The sum of these divisors (counting 128045809) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000011101001011110001
3
Ternary
22220221101211101
4
Quaternary
13220131023301
5
Quinary
230234431214
6
Senary
20412244401
8
Octal
750351361
10
Decimal
128045809
12
Duodecimal
36a70701
16
Hexadecimal
7a1d2f1
20
Vigesimal
2005ea9
36
Base36
248gs1
md5
35b491cf8e73d2dbade419745d131a00
sha1
abfa4ec32bc456e2cfa61d1b9ebd0c1ccdb9838b
sha256
60d2e9b7aa649bd4c0c4e76b40f9f3b11bf756c6e6480b0963ca32260ddd8933
sha512
b9b166f173f33bbdce39417180d5a3ac335c1f7ebdc8adbef5aff2d022a4ab1a3d6683fede46541523da420a07e08699640d54c8fc6f997daa6552d3a8f1111e
ripemd-160
bc2d5c386f6982a3c60ea37764878038df1dba58
Diameter
256091618
Circumference
804535545.75472
Area
5.150870241271E+16
Volume
8.7939646279676E+24
Surface area
2.0603480965084E+17
Circumference
804535545.75472
Perimeter
512183236
Area
16395729202464481
Diagonal
181084119.69283
Surface area
98374375214786886
Volume
2.0994044098745E+24
Space diagonal
221781846.88426
Perimeter
384137427
Area
7.0995590014523E+15
Altitude
110890923.44213
Surface area
7.0995590014523E+15
Volume
2.4741718244587E+23
Height
60361373.230945