128977155 (number)

128977155 is an odd 9-digits composite number following 128977154 and preceding 128977156. In scientific notation, it is written as 1.28977155 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 68787792 positive integers (up to 128977155) that are relatively prime to 128977155.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred seventy-seven thousand one hundred fifty-five

Notation

Scientific notation 1.28977155 × 10^8
Engineering notation 1.28977155 × 10^6

Prime Factorization of 128977155

Prime Factorization 45 × 2866159

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128977155
Product of the distinct prime numbers

The prime factorization of 128977155 is 45 × 2866159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128977155)

Multiplication

n×y
n×2 257954310
n×3 386931465
n×4 515908620
n×5 644885775

Division

n÷y
n÷2 64488577.5
n÷3 42992385
n÷3 32244288.75
n÷5 25795431

Exponentiation

ny
n2 16635106511894025
n3 2.1455487110261E+24
n4 2.7672676866206E+32
n5 3.5691431334376E+40

Nth Root

y√n
2√n 11356.810952023
3√n 505.2476059238
4√n 106.56833935097
5√n 41.889247484956

Divisors of 128977155

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128977154
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128977155 can be divided by 4 positive divisors. The sum of these divisors (counting 128977155) is 1, the average is 0.25.

Base conversion 128977155

Base System Value
2 Binary 111101100000000100100000011
3 Ternary 22222200201101200
4 Quaternary 13230000210003
5 Quinary 231004232110
6 Senary 20444232243
8 Octal 754004403
10 Decimal 128977155
12 Duodecimal 3723b683
16 Hexadecimal 7b00903
20 Vigesimal 20622hf
36 Base36 24sfer

Cryptographic Hash Functions

md5 192dfb223e11f82bfd30e5ae2bd636e5
sha1 f6c3a2e4f9815c011a91e8de71926a8abbf17f51
sha256 576809f1ec702c428c18e306f0a0d6a8efda08fa87ff39eafd20da28f6103010
sha512 ae886629fddf8dec7145311c123019ca5d11d61a102d30ffcfb6e9e76fb166a312e53f2027c07db312ad4224cfb03099c1e264a6e3c4246370fc4f5dcb0e92f4
ripemd-160 c01456f7cb785b7e18661ccd34eb82f89169a46a

128977155 as geometric shapes

Circle

Radius = n
Diameter 257954310
Circumference 810387365.25782
Area 5.226072840945E+16

Sphere

Radius = n
Volume 8.987253424638E+24
Surface area 2.090429136378E+17
Circumference 810387365.25782

Square

Length = n
Perimeter 515908620
Area 16635106511894025
Diagonal 182401241.8373

Cube

Length = n
Surface area 99810639071364150
Volume 2.1455487110261E+24
Space diagonal 223394985.47569

Equilateral Triangle

Length = n
Perimeter 386931465
Area 7.2032124169801E+15
Altitude 111697492.73784

Triangular Pyramid

Length = n
Surface area 7.2032124169801E+15
Volume 2.5285534048876E+23
Height 60800413.945766