128386375 is an odd 9-digits composite number following 128386374
and preceding 128386376 . In scientific notation, it is written as 1.28386375 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 90528000 positive integers (up to 128386375) that are relatively prime to 128386375.
128386375 has 12 divisors, whose sum is 134476704
The reverse of 128386375 is 573683821
Previous prime number is 41
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred twenty-eight million three hundred eighty-six thousand three hundred seventy-five
Scientific notation
1.28386375 × 10^8
Engineering notation
1.28386375 × 10^6
Prime Factorization
1625 × 47 × 41 × 41
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
3131375 Product of the distinct prime numbers
The prime factorization of 128386375 is 1625 × 47 × 41 × 41.
Since it has a total of 4 prime factors.
5 , 8 , 46 , 11 , 857 , 495 , 4153 , 7795 , 33967 , 12616 , 133375 , 57378 , 5672626 , 1791676 , 11657923 , 10771364 , 538695324 , 357905646 , 8972144842 , 3430934783
n×2
256772750
n×3
385159125
n×4
513545500
n×5
641931875
n÷2
64193187.5
n÷3
42795458.333333
n÷3
32096593.75
n÷5
25677275
n2
16483061285640625
n3
2.1162004873662E+24
n4
2.7169130934618E+32
n5
3.488146232596E+40
2 √n11330.771156457
3 √n504.47499600232
4 √n106.44609507378
5 √n41.850802232056
1 , 41 , 47 , 1625 , 1681 , 1927 , 66625 , 76375 , 79007 , 2731625 , 3131375 , 128386375
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
-128386374 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 128386375 can be divided by 12 positive divisors.
The sum of these divisors (counting 128386375) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001110000010101000111
3
Ternary
22221120200222221
4
Quaternary
13221300111013
5
Quinary
230331331000
6
Senary
20423433211
8
Octal
751602507
10
Decimal
128386375
12
Duodecimal
36bb5807
16
Hexadecimal
7a70547
20
Vigesimal
20285if
36
Base36
24frk7
md5
a5e49bcedef0771a4dc7a90af2f964c4
sha1
f4f1b5820b05241cefde74087e428b6744ab21e1
sha256
48431c6d0d09f4650a1b30aeff8be879a0c5e41f2c8397d06ce0bb0e8166947c
sha512
7776d61c10871f7019d74ed780fadf3fde4f3751e3582a4edd13a43703e1b6fccaea2efe001fb768f146af23fbb4bd564f1814e23b67d2593eaa3f803533b7bb
ripemd-160
69dc0b4e1570642947df0d19a1af9719c7911fd1
Diameter
256772750
Circumference
806675385.04205
Area
5.1783064243639E+16
Volume
8.8643198728439E+24
Surface area
2.0713225697456E+17
Circumference
806675385.04205
Perimeter
513545500
Area
16483061285640625
Diagonal
181565752.74892
Surface area
98898367713843750
Volume
2.1162004873662E+24
Space diagonal
222371724.49959
Perimeter
385159125
Area
7.1373749027503E+15
Altitude
111185862.2498
Surface area
7.1373749027503E+15
Volume
2.4939661916116E+23
Height
60521917.582973