128308974 is an even 9-digits composite number following 128308973
and preceding 128308975 . In scientific notation, it is written as 1.28308974 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 42769656 positive integers (up to 128308974) that are relatively prime to 128308974.
128308974 has 8 divisors, whose sum is 256617960
The reverse of 128308974 is 479803821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million three hundred eight thousand nine hundred seventy-four
Scientific notation
1.28308974 × 10^8
Engineering notation
1.28308974 × 10^6
Prime Factorization
2 × 3 × 21384829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128308974
Product of the distinct prime numbers
The prime factorization of 128308974 is 2 × 3 × 21384829.
Since it has a total of 3 prime factors.
5 , 9 , 7 , 13 , 505 , 342 , 3545 , 9749 , 46 , 95917 , 565716 , 704978 , 8073071 , 2432287 , 23179311 , 29879332 , 922349010 , 110722435 , 874341290 , 7636815925
n×2
256617948
n×3
384926922
n×4
513235896
n×5
641544870
n÷2
64154487
n÷3
42769658
n÷3
32077243.5
n÷5
25661794.8
n2
16463192808932676
n3
2.1123753780783E+24
n4
2.7103671746409E+32
n5
3.4776443134146E+40
2 √n
11327.355119356
3 √n
504.37359708415
4 √n
106.43004800974
5 √n
41.845754850069
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128308973
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128308974 can be divided by 8 positive divisors.
The sum of these divisors (counting 128308974) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001011101011011101110
3
Ternary
22221102202211020
4
Quaternary
13221131123232
5
Quinary
230321341344
6
Senary
20422035010
8
Octal
751353356
10
Decimal
128308974
12
Duodecimal
36b78a66
16
Hexadecimal
7a5d6ee
20
Vigesimal
201ic8e
36
Base36
24e3u6
md5
a2d3a261fbe07b605db3b1a8a650bef7
sha1
58263716aa0e75a9a69e5d3f180d4e110c1dd354
sha256
051b19711efab59d4fa2d8cb137b9d1eeb9d273d50c051989cee3b0384a9121c
sha512
aa56b684fa9afc71437c01d6adec46e637dd16681beb4d3ef557de7030a0a25d782d127393ad580c877621cecea047f304840e3cb28b4e50ecb75361c14d45c3
ripemd-160
9f6173609d7e69fd2458ea8408235f18d56357d6
Diameter
256617948
Circumference
806189060.21609
Area
5.1720645583175E+16
Volume
8.8482972925265E+24
Surface area
2.068825823327E+17
Circumference
806189060.21609
Perimeter
513235896
Area
16463192808932676
Diagonal
181456291.20498
Surface area
98779156853596056
Volume
2.1123753780783E+24
Space diagonal
222237662.03503
Perimeter
384926922
Area
7.1287715999685E+15
Altitude
111118831.01752
Surface area
7.1287715999685E+15
Volume
2.4894582570845E+23
Height
60485430.401659