128248631 is an odd 9-digits composite number following 128248630
and preceding 128248632 . In scientific notation, it is written as 1.28248631 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 109927356 positive integers (up to 128248631) that are relatively prime to 128248631.
128248631 has 4 divisors, whose sum is 130866000
The reverse of 128248631 is 136842821
Previous prime number is 49
Is Prime? no Number parity odd Number length 9 Sum of Digits 35 Digital Root 8
Name
one hundred twenty-eight million two hundred forty-eight thousand six hundred thirty-one
Scientific notation
1.28248631 × 10^8
Engineering notation
1.28248631 × 10^6
Prime Factorization
49 × 2617319
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128248631 Product of the distinct prime numbers
The prime factorization of 128248631 is 49 × 2617319.
Since it has a total of 2 prime factors.
7 , 8 , 40 , 59 , 141 , 346 , 3969 , 5149 , 87754 , 34409 , 351498 , 306157 , 7419059 , 1531610 , 74995349 , 84308886 , 624688552 , 757119703 , 6690575784 , 4198938480
n×2
256497262
n×3
384745893
n×4
512994524
n×5
641243155
n÷2
64124315.5
n÷3
42749543.666667
n÷3
32062157.75
n÷5
25649726.2
n2
16447711353374161
n3
2.1093964641534E+24
n4
2.7052720876391E+32
n5
3.4694744172223E+40
2 √n11324.691209918
3 √n504.2945166492
4 √n106.41753243671
5 √n41.841818144075
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128248630 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128248631 can be divided by 4 positive divisors.
The sum of these divisors (counting 128248631) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001001110101100110111
3
Ternary
22221022201001022
4
Quaternary
13221032230313
5
Quinary
230312424011
6
Senary
20420451355
8
Octal
751165467
10
Decimal
128248631
12
Duodecimal
36b49b5b
16
Hexadecimal
7a4eb37
20
Vigesimal
201b1bb
36
Base36
24ct9z
md5
7cac85e245919214f73edffe8a3141d2
sha1
0fbd8451a0c80030035887a893f1a8b0679776b6
sha256
f4d12ccc3f0fd13c9271cc802b405a190f0e2ceccd9a8be93f440266a4fd0c57
sha512
28656fe4e1fd819468e11394c0349f8375718f232dfdf2b454a121f33ac2a9de9aff6fd05d20712ba062d749274389bcb6e4e454ae1ffec73e221e2bbcd72f20
ripemd-160
7dc6833aad63e56cc9586b7c0796c0c5f4507ccb
Diameter
256497262
Circumference
805809913.9651
Area
5.1672009156126E+16
Volume
8.8358192470568E+24
Surface area
2.066880366245E+17
Circumference
805809913.9651
Perimeter
512994524
Area
16447711353374161
Diagonal
181370953.31598
Surface area
98686268120244966
Volume
2.1093964641534E+24
Space diagonal
222133144.89315
Perimeter
384745893
Area
7.1220679330679E+15
Altitude
111066572.44658
Surface area
7.1220679330679E+15
Volume
2.4859475733563E+23
Height
60456984.438661