128977461 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred seventy-seven thousand four hundred sixty-one

Notation

Scientific notation 1.28977461 × 10^8
Engineering notation 1.28977461 × 10^6

Prime Factorization of 128977461

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.

Most popular turbo-numbers

Basic calculations (n = 128977461)

Multiplication

n×y
n×2 257954922
n×3 386932383
n×4 515909844
n×5 644887305

Division

n÷y
n÷2 64488730.5
n÷3 42992487
n÷3 32244365.25
n÷5 25795492.2

Exponentiation

ny
n2 16635185446006521
n3 2.1455639820901E+24
n4 2.7672939482303E+32
n5 3.5691854728341E+40

Nth Root

y√n
2√n 11356.824424107
3√n 505.24800549235
4√n 106.56840255961
5√n 41.889267361496

Divisors of 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 conversion 128977461

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

Cryptographic Hash Functions

md5 66cc06edcea3bb37339ae7bc24bfbec7
sha1 ccce57bbfb33e810b7f3e9764efaa9b0323bf3fc
sha256 da4d5370f61f0837f1e3eda53dcebe2f8e346beb64ca8699eaa0ca726eb69139
sha512 b348c90af28dd15e690cb154eaea36c8960a54b76664e9cebbeb24f79906ddc9b5517bf46369987303e933543c7c090f65d64f509f105578c68416a03a5cd7d5
ripemd-160 c11c109d23c066b958fc1628c9edf447c6d7d9d6

128977461 as geometric shapes

Circle

Radius = n
Diameter 257954922
Circumference 810389287.91253
Area 5.2260976388278E+16

Sphere

Radius = n
Volume 8.9873173919214E+24
Surface area 2.0904390555311E+17
Circumference 810389287.91253

Square

Length = n
Perimeter 515909844
Area 16635185446006521
Diagonal 182401674.58665

Cube

Length = n
Surface area 99811112676039126
Volume 2.1455639820901E+24
Space diagonal 223395515.48323

Equilateral Triangle

Length = n
Perimeter 386932383
Area 7.2032465964534E+15
Altitude 111697757.74162

Triangular Pyramid

Length = n
Surface area 7.2032465964534E+15
Volume 2.5285714020092E+23
Height 60800558.195549