128512072 is an even 9-digits composite number following 128512071
and preceding 128512073 . In scientific notation, it is written as 1.28512072 × 10^8.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 59203584 positive integers (up to 128512072) that are relatively prime to 128512072.
128512072 has 32 divisors, whose sum is 259975800
The reverse of 128512072 is 270215821
Previous prime number is 1409
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-eight million five hundred twelve thousand seventy-two
Scientific notation
1.28512072 × 10^8
Engineering notation
1.28512072 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 1409 × 877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32128018
Product of the distinct prime numbers
The prime factorization of 128512072 is 2 × 2 × 2 × 13 × 1409 × 877.
Since it has a total of 6 prime factors.
1 , 1 , 5 , 54 , 632 , 271 , 5374 , 7894 , 88905 , 94549 , 909623 , 207288 , 3898627 , 5390724 , 72493067 , 18192486 , 4163617 , 736717940 , 2737441431 , 7365030862
n×2
257024144
n×3
385536216
n×4
514048288
n×5
642560360
n÷2
64256036
n÷3
42837357.333333
n÷3
32128018
n÷5
25702414.4
n2
16515352649733184
n3
2.1224221888279E+24
n4
2.7275687314505E+32
n5
3.5052550920111E+40
2 √n
11336.316509343
3 √n
504.63957813598
4 √n
106.47213959221
5 √n
41.858993851092
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 877 , 1409 , 1754 , 2818 , 3508 , 5636 , 7016 , 11272 , 11401 , 18317 , 22802 , 36634 , 45604 , 73268 , 91208 , 146536 , 1235693 , 2471386 , 4942772 , 9885544 , 16064009 , 32128018 , 64256036 , 128512072
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
-128512071
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 128512072 can be divided by 32 positive divisors.
The sum of these divisors (counting 128512072) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010001111000001001000
3
Ternary
22221211002102101
4
Quaternary
13222033001020
5
Quinary
230344341242
6
Senary
20430243144
8
Octal
752170110
10
Decimal
128512072
12
Duodecimal
370564b4
16
Hexadecimal
7a8f048
20
Vigesimal
203403c
36
Base36
24igjs
md5
0844d49151812d7fafeefafa94e07edd
sha1
fa8b37e676ff09481b406cd9c7a88e993b9e52e4
sha256
3856a08e48e5e97f8d37fc48d92019a738e1619ba3fa68f199ca5607eafc82e8
sha512
1a83313b50341bb06508147770a9f7b68425bd526c5d839e9608d5b9697ddd23d9280bdd76b7dd1ddb666d27b85d8b4a4d2087c74b7e5587b0749e790c45d1bf
ripemd-160
16738dba3402732f57e48374725e87283919aed2
Diameter
257024144
Circumference
807465162.58561
Area
5.1884510555846E+16
Volume
8.8903812749836E+24
Surface area
2.0753804222339E+17
Circumference
807465162.58561
Perimeter
514048288
Area
16515352649733184
Diagonal
181743515.15107
Surface area
99092115898399104
Volume
2.1224221888279E+24
Space diagonal
222589438.08995
Perimeter
385536216
Area
7.1513574735638E+15
Altitude
111294719.04497
Surface area
7.1513574735638E+15
Volume
2.5012985371017E+23
Height
60581171.717023