128613639 is an odd 9-digits composite number following 128613638
and preceding 128613640 . In scientific notation, it is written as 1.28613639 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 66812160 positive integers (up to 128613639) that are relatively prime to 128613639.
128613639 has 16 divisors, whose sum is 213799680
The reverse of 128613639 is 936316821
Previous prime number is 11
Is Prime? no Number parity odd Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred twenty-eight million six hundred thirteen thousand six hundred thirty-nine
Scientific notation
1.28613639 × 10^8
Engineering notation
1.28613639 × 10^6
Prime Factorization
3 × 7 × 11 × 556769
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
128613639 Product of the distinct prime numbers
The prime factorization of 128613639 is 3 × 7 × 11 × 556769.
Since it has a total of 4 prime factors.
4 , 3 , 66 , 68 , 92 , 445 , 8399 , 7763 , 14281 , 53655 , 422056 , 591634 , 5368368 , 5565594 , 2166562 , 10807712 , 322919276 , 65169588 , 3680475821 , 7442337354
n×2
257227278
n×3
385840917
n×4
514454556
n×5
643068195
n÷2
64306819.5
n÷3
42871213
n÷3
32153409.75
n÷5
25722727.8
n2
16541468136822321
n3
2.1274584114793E+24
n4
2.7362016812151E+32
n5
3.5191285525899E+40
2 √n11340.795342479
3 √n504.77248713157
4 √n106.49317040299
5 √n41.865608247648
1 , 3 , 7 , 11 , 21 , 33 , 77 , 231 , 556769 , 1670307 , 3897383 , 6124459 , 11692149 , 18373377 , 42871213 , 128613639
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
-128613638 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 128613639 can be divided by 16 positive divisors.
The sum of these divisors (counting 128613639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010100111110100000111
3
Ternary
22222000020202010
4
Quaternary
13222213310013
5
Quinary
230411114024
6
Senary
20432345303
8
Octal
752476407
10
Decimal
128613639
12
Duodecimal
370a5233
16
Hexadecimal
7aa7d07
20
Vigesimal
203ge1j
36
Base36
24kmx3
md5
9b586574befd63c741bbbc84763b952a
sha1
eddca22ce8153f9308cd432ae4130c64135963ed
sha256
6a20ece9fa82b3ad59d6b448adb5c7007934340adddc21b289ab5001710aad9c
sha512
b61d03602bcd348471682f8136d0aab5de7c3555713e015630a9c822437a2b43da76dbc481612e1726598f5ce158970a6eacd53ced87c47f47595563f730bfdd
ripemd-160
4d2871e69aae4095e075efde16f4b9e6832a7f7e
Diameter
257227278
Circumference
808103326.8677
Area
5.1966554778231E+16
Volume
8.9114769550948E+24
Surface area
2.0786621911292E+17
Circumference
808103326.8677
Perimeter
514454556
Area
16541468136822321
Diagonal
181887152.57996
Surface area
99248808820933926
Volume
2.1274584114793E+24
Space diagonal
222765357.29432
Perimeter
385840917
Area
7.1626658111895E+15
Altitude
111382678.64716
Surface area
7.1626658111895E+15
Volume
2.5072337824156E+23
Height
60629050.859986