128521 (number)

128521 is an odd 6-digits prime number following 128520 and preceding 128522. In scientific notation, it is written as 1.28521 × 10^5. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 128520 positive integers (up to 128521) that are relatively prime to 128521.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand five hundred twenty-one

Notation

Scientific notation 1.28521 × 10^5
Engineering notation 1.28521 × 10^3

Prime Factorization of 128521

Prime Factorization 128521

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128521
Product of the distinct prime numbers

The prime factorization of 128521 is 128521. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128521)

Multiplication

n×y
n×2 257042
n×3 385563
n×4 514084
n×5 642605

Division

n÷y
n÷2 64260.5
n÷3 42840.333333333
n÷3 32130.25
n÷5 25704.2

Exponentiation

ny
n2 16517647441
n3 2122864566764761
n4 2.7283267698517E+20
n5 3.5064728478812E+25

Nth Root

y√n
2√n 358.49825662059
3√n 50.465126398451
4√n 18.934050190611
5√n 10.514649957936

Divisors of 128521

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128522
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64261
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 358.4996513248
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999844384619
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128521 can be divided by 2 positive divisors. The sum of these divisors (counting 128521) is 128522, the average is 64261.

Base conversion 128521

Base System Value
2 Binary 11111011000001001
3 Ternary 20112022001
4 Quaternary 133120021
5 Quinary 13103041
6 Senary 2431001
8 Octal 373011
10 Decimal 128521
12 Duodecimal 62461
16 Hexadecimal 1f609
20 Vigesimal g161
36 Base36 2r61

Cryptographic Hash Functions

md5 d4e19685cbacd81c275120352a2c8555
sha1 212f338636054352d8a5dc700b8fc5ba43ddff60
sha256 66c1ca21a01e6b052b9072faa954c3660fe3dea1a338dc770a7d808164d6e242
sha512 a9508d68b9791cb0303fc4e0042e05be52d182ec2d3f14baaa3930ce89443c41998ebb458bec6e4632d25e259f18f238930565aa8a9965b7ba0835d949b43007
ripemd-160 c7a9bf7ea8dd4e1827ffa8930f33820eac893ce8

128521 as geometric shapes

Circle

Radius = n
Diameter 257042
Circumference 807521.25886403
Area 51891719855.232

Sphere

Radius = n
Volume 8.8922343033523E+15
Surface area 207566879420.93
Circumference 807521.25886403

Square

Length = n
Perimeter 514084
Area 16517647441
Diagonal 181756.14124975

Cube

Length = n
Surface area 99105884646
Volume 2122864566764761
Space diagonal 222604.90183956

Equilateral Triangle

Length = n
Perimeter 385563
Area 7152351147.3305
Altitude 111302.45091978

Triangular Pyramid

Length = n
Surface area 7152351147.3305
Volume 2.5018198845E+14
Height 60585.380416584