128549231 (number)

128549231 is an odd 9-digits composite number following 128549230 and preceding 128549232. In scientific notation, it is written as 1.28549231 × 10^8. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 113762880 positive integers (up to 128549231) that are relatively prime to 128549231.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred forty-nine thousand two hundred thirty-one

Notation

Scientific notation 1.28549231 × 10^8
Engineering notation 1.28549231 × 10^6

Prime Factorization of 128549231

Prime Factorization 19 × 23 × 43 × 6841

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128549231
Product of the distinct prime numbers

The prime factorization of 128549231 is 19 × 23 × 43 × 6841. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 97, 77, 541, 87, 6456, 7033, 27162, 94096, 6228, 473286, 4427921, 2365939, 13766213, 55770869, 438815566, 67592610, 3643558858, 1067837889

Basic calculations (n = 128549231)

Multiplication

n×y
n×2 257098462
n×3 385647693
n×4 514196924
n×5 642746155

Division

n÷y
n÷2 64274615.5
n÷3 42849743.666667
n÷3 32137307.75
n÷5 25709846.2

Exponentiation

ny
n2 16524904790691361
n3 2.1242638031916E+24
n4 2.7307247834141E+32
n5 3.5103257098053E+40

Nth Root

y√n
2√n 11337.95532713
3√n 504.68821194582
4√n 106.47983530758
5√n 41.861414259477

Divisors of 128549231

1, 19, 23, 43, 437, 817, 989, 6841, 18791, 129979, 157343, 294163, 2989517, 5589097, 6765749, 128549231

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 -128549230
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 128549231 can be divided by 16 positive divisors. The sum of these divisors (counting 128549231) is 1, the average is 0.0625.

Base conversion 128549231

Base System Value
2 Binary 111101010011000000101101111
3 Ternary 22221212222101122
4 Quaternary 13222120011233
5 Quinary 230402033411
6 Senary 20431131155
8 Octal 752300557
10 Decimal 128549231
12 Duodecimal 37073abb
16 Hexadecimal 7a9816f
20 Vigesimal 2038d1b
36 Base36 24j97z

Cryptographic Hash Functions

md5 8cf3427c7fc5a27272f72ff6c82ac59d
sha1 69babb8812f130d751241ba6323248f5b6cfe3bb
sha256 04a8322e1308b797db49b6c57affcdc8a432669799296b7e43e5c73d432602be
sha512 2be1793da9d6a9a2a5a308cd87f4274fe4bc5bfc718b4fc2261c64cb27d5843c0c3bd48a918e6d6502c7c8077ef4b92d18efeee2b9b528f2b09487f6d0bc6ddc
ripemd-160 b89b83e3402b10f4558a8f151e577a7bed224883

128549231 as geometric shapes

Circle

Radius = n
Diameter 257098462
Circumference 807698639.46843
Area 5.1914519491707E+16

Sphere

Radius = n
Volume 8.8980954111912E+24
Surface area 2.0765807796683E+17
Circumference 807698639.46843

Square

Length = n
Perimeter 514196924
Area 16524904790691361
Diagonal 181796065.91283

Cube

Length = n
Surface area 99149428744148166
Volume 2.1242638031916E+24
Space diagonal 222653799.36591

Equilateral Triangle

Length = n
Perimeter 385647693
Area 7.1554936719289E+15
Altitude 111326899.68295

Triangular Pyramid

Length = n
Surface area 7.1554936719289E+15
Volume 2.5034689004432E+23
Height 60598688.637611