128840172 is an even 9-digits composite number following 128840171
and preceding 128840173 . In scientific notation, it is written as 1.28840172 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 42946720 positive integers (up to 128840172) that are relatively prime to 128840172.
128840172 has 12 divisors, whose sum is 300627096
The reverse of 128840172 is 271048821
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 33 Digital Root 6
Name
one hundred twenty-eight million eight hundred forty thousand one hundred seventy-two
Scientific notation
1.28840172 × 10^8
Engineering notation
1.28840172 × 10^6
Prime Factorization
2 × 2 × 3 × 10736681
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64420086 Product of the distinct prime numbers
The prime factorization of 128840172 is 2 × 2 × 3 × 10736681.
Since it has a total of 4 prime factors.
1 , 1 , 34 , 21 , 886 , 791 , 3028 , 2846 , 40840 , 76040 , 534024 , 320780 , 7057394 , 379704 , 3160830 , 76472893 , 464057416 , 974838297 , 943296814 , 6624138981
n×2
257680344
n×3
386520516
n×4
515360688
n×5
644200860
n÷2
64420086
n÷3
42946724
n÷3
32210043
n÷5
25768034.4
n2
16599789920989584
n3
2.1387197885842E+24
n4
2.7555302542099E+32
n5
3.550229919036E+40
2 √n11350.778475506
3 √n505.06867281639
4 √n106.54003226724
5 √n41.880345824722
1 , 2 , 3 , 4 , 6 , 12 , 10736681 , 21473362 , 32210043 , 42946724 , 64420086 , 128840172
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128840171 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128840172 can be divided by 12 positive divisors.
The sum of these divisors (counting 128840172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101011011111000111101100
3
Ternary
22222102202111020
4
Quaternary
13223133013230
5
Quinary
230440341142
6
Senary
20441254140
8
Octal
753370754
10
Decimal
128840172
12
Duodecimal
37194350
16
Hexadecimal
7adf1ec
20
Vigesimal
205508c
36
Base36
24phpo
md5
e1aa3a3a50f4eb0489d0bcffa6fde6f4
sha1
a0acdb0b4315cb0f8d2da10f3962eeff87ab6abb
sha256
f4f2b424ddabc360e852c31eb2a75dacdff22439f589f0e8d43c70c57c4b5364
sha512
c1ef5422f5be3220edbd7f6e163603ca1b06c6eca95507e81f3bea62977c5137a87a36e876ca2ca7d0292be8f960ce4244c10cf0c22cfabe994fa699c890ae9b
ripemd-160
530dcf64e36dce0ea373ceb21893ce803fcce275
Diameter
257680344
Circumference
809526675.68489
Area
5.2149778066915E+16
Volume
8.9586485012042E+24
Surface area
2.0859911226766E+17
Circumference
809526675.68489
Perimeter
515360688
Area
16599789920989584
Diagonal
182207518.62088
Surface area
99598739525937504
Volume
2.1387197885842E+24
Space diagonal
223157723.95991
Perimeter
386520516
Area
7.1879198845309E+15
Altitude
111578861.97996
Surface area
7.1879198845309E+15
Volume
2.5205054426095E+23
Height
60735839.540294