128291208 is an even 9-digits composite number following 128291207
and preceding 128291209 . In scientific notation, it is written as 1.28291208 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors.
There are 42763728 positive integers (up to 128291208) that are relatively prime to 128291208.
128291208 has 16 divisors, whose sum is 320728080
The reverse of 128291208 is 802192821
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 two hundred ninety-one thousand two hundred eight
Scientific notation
1.28291208 × 10^8
Engineering notation
1.28291208 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 5345467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32072802
Product of the distinct prime numbers
The prime factorization of 128291208 is 2 × 2 × 2 × 3 × 5345467.
Since it has a total of 5 prime factors.
3 , 10 , 31 , 77 , 126 , 363 , 8337 , 1907 , 27402 , 9808 , 917070 , 911623 , 4675960 , 7459077 , 77953026 , 45701 , 167321807 , 284697125 , 8297166606 , 2049665559
n×2
256582416
n×3
384873624
n×4
513164832
n×5
641456040
n÷2
64145604
n÷3
42763736
n÷3
32072802
n÷5
25658241.6
n2
16458634050099264
n3
2.1114980443172E+24
n4
2.7088663479509E+32
n5
3.4752373608917E+40
2 √n
11326.570884429
3 √n
504.3503170421
4 √n
106.42636367193
5 √n
41.844595971097
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 5345467 , 10690934 , 16036401 , 21381868 , 32072802 , 42763736 , 64145604 , 128291208
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
-128291207
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 128291208 can be divided by 16 positive divisors.
The sum of these divisors (counting 128291208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001011001000110001000
3
Ternary
22221101212110020
4
Quaternary
13221121012020
5
Quinary
230320304313
6
Senary
20421420440
8
Octal
751310610
10
Decimal
128291208
12
Duodecimal
36b6a720
16
Hexadecimal
7a59188
20
Vigesimal
201g808
36
Base36
24dq4o
md5
da87383b805b5f5d7104a029cf0fe4ce
sha1
27c7b5edc5f9da4872a4fed86ddfb71af95dd709
sha256
abfbc05d485ccb73d4c17659dc100403bbb42a11bacf4dc1e8dc34a0c6b1b0a8
sha512
d5e8ed2ef9b9fa441e88f0d4c312d2d46214bd481c4a4115e2e707be37d2ee71a8dc48123029062b7d2d17803bd45bd29eb7e7bf77b66fd0bb67d30a63ef90bf
ripemd-160
3bb217667afd9c28e133e6a07f29bdb5803808dc
Diameter
256582416
Circumference
806077433.14592
Area
5.1706323819915E+16
Volume
8.8446223254614E+24
Surface area
2.0682529527966E+17
Circumference
806077433.14592
Perimeter
513164832
Area
16458634050099264
Diagonal
181431166.28683
Surface area
98751804300595584
Volume
2.1114980443172E+24
Space diagonal
222206890.42039
Perimeter
384873624
Area
7.1267975994888E+15
Altitude
111103445.21019
Surface area
7.1267975994888E+15
Volume
2.4884243093313E+23
Height
60477055.428943