128424879 is an odd 9-digits composite number following 128424878
and preceding 128424880 . In scientific notation, it is written as 1.28424879 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 77561280 positive integers (up to 128424879) that are relatively prime to 128424879.
128424879 has 8 divisors, whose sum is 129308160
The reverse of 128424879 is 978424821
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million four hundred twenty-four thousand eight hundred seventy-nine
Scientific notation
1.28424879 × 10^8
Engineering notation
1.28424879 × 10^6
Prime Factorization
297 × 383 × 1129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128424879
Product of the distinct prime numbers
The prime factorization of 128424879 is 297 × 383 × 1129.
Since it has a total of 3 prime factors.
4 , 2 , 37 , 93 , 620 , 861 , 3970 , 9204 , 87783 , 67692 , 807227 , 218532 , 6323350 , 5114326 , 44408766 , 10426516 , 755564231 , 64863018 , 2375727171 , 4030556807
n×2
256849758
n×3
385274637
n×4
513699516
n×5
642124395
n÷2
64212439.5
n÷3
42808293
n÷3
32106219.75
n÷5
25684975.8
n2
16492949546164641
n3
2.1181050498193E+24
n4
2.7201738473233E+32
n5
3.4933799720146E+40
2 √n
11332.470119087
3 √n
504.52542285833
4 √n
106.4540751643
5 √n
41.853312202468
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
-128424878
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 128424879 can be divided by 8 positive divisors.
The sum of these divisors (counting 128424879) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001111001101110101111
3
Ternary
22221122122211000
4
Quaternary
13221321232233
5
Quinary
230334044004
6
Senary
20424331343
8
Octal
751715657
10
Decimal
128424879
12
Duodecimal
37013b53
16
Hexadecimal
7a79baf
20
Vigesimal
202d23j
36
Base36
24gl9r
md5
2557e293fb229e3460d2bd016651d268
sha1
87b3e08cca093867e1638f9dcb9aab3ccd60e67b
sha256
dc74eacd6d79d068cf243c977d4438a0c30a06dbbfeb85fe254eda374d6e71aa
sha512
5201cc4ba4873b18b5949ecd94412a5dbbafd64bef73d0403d25cb615031fdb0ed0ce07da2334e77fffaf71d48311efd01d4b6446698dd12099ff6f5f8fa4892
ripemd-160
946dcf43f20fd7d96e49940b20c2deb5d9175f6b
Diameter
256849758
Circumference
806917312.80912
Area
5.1814129130258E+16
Volume
8.8722976853917E+24
Surface area
2.0725651652103E+17
Circumference
806917312.80912
Perimeter
513699516
Area
16492949546164641
Diagonal
181620205.62792
Surface area
98957697276987846
Volume
2.1181050498193E+24
Space diagonal
222438415.38389
Perimeter
385274637
Area
7.1416566451568E+15
Altitude
111219207.69194
Surface area
7.1416566451568E+15
Volume
2.4962107399878E+23
Height
60540068.542641