128426745 is an odd 9-digits composite number following 128426744
and preceding 128426746 . In scientific notation, it is written as 1.28426745 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 67626624 positive integers (up to 128426745) that are relatively prime to 128426745.
128426745 has 16 divisors, whose sum is 208085760
The reverse of 128426745 is 547624821
Previous prime number is 79
Is Prime? no Number parity odd Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred twenty-eight million four hundred twenty-six thousand seven hundred forty-five
Scientific notation
1.28426745 × 10^8
Engineering notation
1.28426745 × 10^6
Prime Factorization
3 × 5 × 79 × 108377
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
128426745 Product of the distinct prime numbers
The prime factorization of 128426745 is 3 × 5 × 79 × 108377.
Since it has a total of 4 prime factors.
1 , 7 , 40 , 59 , 197 , 379 , 9963 , 5086 , 4977 , 81970 , 290371 , 284573 , 6999047 , 480528 , 60564889 , 52359703 , 880389729 , 822231203 , 1772143380 , 1208300918
n×2
256853490
n×3
385280235
n×4
513706980
n×5
642133725
n÷2
64213372.5
n÷3
42808915
n÷3
32106686.25
n÷5
25685349
n2
16493428831295025
n3
2.1181973786924E+24
n4
2.7203319461299E+32
n5
3.4936337716098E+40
2 √n11332.552448588
3 √n504.52786641363
4 √n106.45446185383
5 √n41.853433826607
1 , 3 , 5 , 15 , 79 , 237 , 395 , 1185 , 108377 , 325131 , 541885 , 1625655 , 8561783 , 25685349 , 42808915 , 128426745
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
-128426744 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 128426745 can be divided by 16 positive divisors.
The sum of these divisors (counting 128426745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001111010001011111001
3
Ternary
22221122202101010
4
Quaternary
13221322023321
5
Quinary
230334123440
6
Senary
20424344133
8
Octal
751721371
10
Decimal
128426745
12
Duodecimal
37015049
16
Hexadecimal
7a7a2f9
20
Vigesimal
202d6h5
36
Base36
24gmpl
md5
7332814233199ff69723aef517be9366
sha1
6a4ff549d3f71a2f02793539522e4c1266861d93
sha256
44aee88981ae8062974d7dcf92b1d4781ae31967ae31607706168f5c0c8fb799
sha512
cf16cc7a1bc7b9179b65fb6ec47edd4009511d115844f998b066e30bb37351e71204948ca8147a5459df2c59abd87b30899c6fd4500ce2cdd789ed70ff988122
ripemd-160
e1bfff777a76f7db7d510cb7d83d7654f2defae7
Diameter
256853490
Circumference
806929037.2329
Area
5.1815634848903E+16
Volume
8.8726844316708E+24
Surface area
2.0726253939561E+17
Circumference
806929037.2329
Perimeter
513706980
Area
16493428831295025
Diagonal
181622844.55043
Surface area
98960572987770150
Volume
2.1181973786924E+24
Space diagonal
222441647.39069
Perimeter
385280235
Area
7.1418641817061E+15
Altitude
111220823.69535
Surface area
7.1418641817061E+15
Volume
2.4963195506082E+23
Height
60540948.183477