128977461 is an odd 9-digits composite number following 128977460
and preceding 128977462 . In scientific notation, it is written as 1.28977461 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 83745792 positive integers (up to 128977461) that are relatively prime to 128977461.
128977461 has 16 divisors, whose sum is 192075520
The reverse of 128977461 is 164779821
Previous prime number is 24751
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million nine hundred seventy-seven thousand four hundred sixty-one
Scientific notation
1.28977461 × 10^8
Engineering notation
1.28977461 × 10^6
Prime Factorization
3 × 3 × 3 × 24751 × 193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14330829
Product of the distinct prime numbers
The prime factorization of 128977461 is 3 × 3 × 3 × 24751 × 193.
Since it has a total of 5 prime factors.
4 , 9 , 83 , 15 , 502 , 278 , 6586 , 9340 , 61311 , 24050 , 512582 , 903268 , 6395483 , 5468291 , 28375014 , 47242108 , 256973631 , 179722565 , 7133742968 , 9349586399
n×2
257954922
n×3
386932383
n×4
515909844
n×5
644887305
n÷2
64488730.5
n÷3
42992487
n÷3
32244365.25
n÷5
25795492.2
n2
16635185446006521
n3
2.1455639820901E+24
n4
2.7672939482303E+32
n5
3.5691854728341E+40
2 √n
11356.824424107
3 √n
505.24800549235
4 √n
106.56840255961
5 √n
41.889267361496
1 , 3 , 9 , 27 , 193 , 579 , 1737 , 5211 , 24751 , 74253 , 222759 , 668277 , 4776943 , 14330829 , 42992487 , 128977461
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
-128977460
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 128977461 can be divided by 16 positive divisors.
The sum of these divisors (counting 128977461) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100000000101000110101
3
Ternary
22222200201211000
4
Quaternary
13230000220311
5
Quinary
231004234321
6
Senary
20444233513
8
Octal
754005065
10
Decimal
128977461
12
Duodecimal
3723b899
16
Hexadecimal
7b00a35
20
Vigesimal
20623d1
36
Base36
24sfn9
md5
66cc06edcea3bb37339ae7bc24bfbec7
sha1
ccce57bbfb33e810b7f3e9764efaa9b0323bf3fc
sha256
da4d5370f61f0837f1e3eda53dcebe2f8e346beb64ca8699eaa0ca726eb69139
sha512
b348c90af28dd15e690cb154eaea36c8960a54b76664e9cebbeb24f79906ddc9b5517bf46369987303e933543c7c090f65d64f509f105578c68416a03a5cd7d5
ripemd-160
c11c109d23c066b958fc1628c9edf447c6d7d9d6
Diameter
257954922
Circumference
810389287.91253
Area
5.2260976388278E+16
Volume
8.9873173919214E+24
Surface area
2.0904390555311E+17
Circumference
810389287.91253
Perimeter
515909844
Area
16635185446006521
Diagonal
182401674.58665
Surface area
99811112676039126
Volume
2.1455639820901E+24
Space diagonal
223395515.48323
Perimeter
386932383
Area
7.2032465964534E+15
Altitude
111697757.74162
Surface area
7.2032465964534E+15
Volume
2.5285714020092E+23
Height
60800558.195549