128693730 is an even 9-digits composite number following 128693729
and preceding 128693731 . In scientific notation, it is written as 1.28693730 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 31198400 positive integers (up to 128693730) that are relatively prime to 128693730.
128693730 has 32 divisors, whose sum is 336944448
The reverse of 128693730 is 037396821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million six hundred ninety-three thousand seven hundred thirty
Scientific notation
1.28693730 × 10^8
Engineering notation
1.28693730 × 10^6
Prime Factorization
2 × 3 × 5 × 11 × 389981
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128693730
Product of the distinct prime numbers
The prime factorization of 128693730 is 2 × 3 × 5 × 11 × 389981.
Since it has a total of 5 prime factors.
3 , 7 , 100 , 65 , 848 , 323 , 3216 , 6932 , 53799 , 560 , 472415 , 926868 , 6254114 , 3747534 , 12983395 , 24910815 , 134831476 , 347870215 , 4830694140 , 7634860005
n×2
257387460
n×3
386081190
n×4
514774920
n×5
643468650
n÷2
64346865
n÷3
42897910
n÷3
32173432.5
n÷5
25738746
n2
16562076141312900
n3
2.1314353551696E+24
n4
2.7430236611065E+32
n5
3.5300994642605E+40
2 √n
11344.325894473
3 √n
504.87724363249
4 √n
106.50974553754
5 √n
41.870821106181
1 , 2 , 3 , 5 , 6 , 10 , 11 , 15 , 22 , 30 , 33 , 55 , 66 , 110 , 165 , 330 , 389981 , 779962 , 1169943 , 1949905 , 2339886 , 3899810 , 4289791 , 5849715 , 8579582 , 11699430 , 12869373 , 21448955 , 25738746 , 42897910 , 64346865 , 128693730
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128693729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128693730 can be divided by 32 positive divisors.
The sum of these divisors (counting 128693730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010111011010111100010
3
Ternary
22222011022121110
4
Quaternary
13222323113202
5
Quinary
230421144410
6
Senary
20434204150
8
Octal
752732742
10
Decimal
128693730
12
Duodecimal
37123656
16
Hexadecimal
7abb5e2
20
Vigesimal
2046e6a
36
Base36
24mcpu
md5
cba842fd7bd8e9b3eeb1e4431b358e11
sha1
c64890c3f74fb0e6292805df6788c7015b0f8fbb
sha256
8b5db0f2b2c674dd4ee8e71b63c169932e51423e706ccdae10ef4530bc6b33a8
sha512
7162e7f4dd70c703981ffb6242ac1031982d430100f932ec87381b2e8067db052e1ceb1092eb529d80f19e859e9d0afaa581c01471d6b9f743fc518de804e892
ripemd-160
da932bec9c43b31517cdef640bb1547906944760
Diameter
257387460
Circumference
808606553.46214
Area
5.2031296733743E+16
Volume
8.9281355378697E+24
Surface area
2.0812518693497E+17
Circumference
808606553.46214
Perimeter
514774920
Area
16562076141312900
Diagonal
182000418.35838
Surface area
99372456847877400
Volume
2.1314353551696E+24
Space diagonal
222904078.97555
Perimeter
386081190
Area
7.1715893388946E+15
Altitude
111452039.48778
Surface area
7.1715893388946E+15
Volume
2.5119206555019E+23
Height
60666806.11946