128522872 is an even 9-digits composite number following 128522871
and preceding 128522873 . In scientific notation, it is written as 1.28522872 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 62766816 positive integers (up to 128522872) that are relatively prime to 128522872.
128522872 has 16 divisors, whose sum is 246585240
The reverse of 128522872 is 278225821
Previous prime number is 43
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred twenty-two thousand eight hundred seventy-two
Scientific notation
1.28522872 × 10^8
Engineering notation
1.28522872 × 10^6
Prime Factorization
2 × 2 × 2 × 43 × 373613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32130718
Product of the distinct prime numbers
The prime factorization of 128522872 is 2 × 2 × 2 × 43 × 373613.
Since it has a total of 5 prime factors.
5 , 4 , 70 , 88 , 151 , 647 , 2415 , 9938 , 84260 , 12449 , 220866 , 634591 , 5251722 , 8445673 , 32072832 , 70066556 , 358598648 , 768044879 , 2915640932 , 9112418318
n×2
257045744
n×3
385568616
n×4
514091488
n×5
642614360
n÷2
64261436
n÷3
42840957.333333
n÷3
32130718
n÷5
25704574.4
n2
16518128627128384
n3
2.122957331224E+24
n4
2.7284857334236E+32
n5
3.5067282267063E+40
2 √n
11336.792844539
3 √n
504.65371417444
4 √n
106.47437646936
5 √n
41.859697383345
1 , 2 , 4 , 8 , 43 , 86 , 172 , 344 , 373613 , 747226 , 1494452 , 2988904 , 16065359 , 32130718 , 64261436 , 128522872
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128522871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128522872 can be divided by 16 positive divisors.
The sum of these divisors (counting 128522872) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010001101001111000
3
Ternary
22221211122020101
4
Quaternary
13222101221320
5
Quinary
230400212442
6
Senary
20430405144
8
Octal
752215170
10
Decimal
128522872
12
Duodecimal
370607b4
16
Hexadecimal
7a91a78
20
Vigesimal
203573c
36
Base36
24iovs
md5
ef1d9202a9035f7e9413aa847e738c9f
sha1
9c6a12cc5088009e41dcdfd5a3d88722a1182976
sha256
63cc5780db445116a726aee57e17dd4feeba08bb2f9ec81428426cf9f79d9c1b
sha512
7f9ad51501425007bfdc4bdfb79accb7e87a59fe998c8f533006f256bc3deb10f8084799ee7bc025ec26b33fcca3ac5742a0d06e95ad6f6d1dd59d7f177be72f
ripemd-160
ebfbed3a0139c8e44fa324b98460734c5f5a6fd2
Diameter
257045744
Circumference
807533020.98692
Area
5.1893231546038E+16
Volume
8.8926228742104E+24
Surface area
2.0757292618415E+17
Circumference
807533020.98692
Perimeter
514091488
Area
16518128627128384
Diagonal
181758788.65754
Surface area
99108771762770304
Volume
2.122957331224E+24
Space diagonal
222608144.23867
Perimeter
385568616
Area
7.1525595070361E+15
Altitude
111304072.11934
Surface area
7.1525595070361E+15
Volume
2.5019292084636E+23
Height
60586262.885847