128242561 (number)

128242561 is an odd 9-digits prime number following 128242560 and preceding 128242562. In scientific notation, it is written as 1.28242561 × 10^8. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 128242560 positive integers (up to 128242561) that are relatively prime to 128242561.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred forty-two thousand five hundred sixty-one

Notation

Scientific notation 1.28242561 × 10^8
Engineering notation 1.28242561 × 10^6

Prime Factorization of 128242561

Prime Factorization 128242561

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128242561
Product of the distinct prime numbers

The prime factorization of 128242561 is 128242561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 7, 39, 91, 276, 890, 3052, 3415, 77613, 74643, 761446, 90557, 9491501, 3072603, 13009876, 62606829, 283455381, 675118296, 913687315, 5900761573

Basic calculations (n = 128242561)

Multiplication

n×y
n×2 256485122
n×3 384727683
n×4 512970244
n×5 641212805

Division

n÷y
n÷2 64121280.5
n÷3 42747520.333333
n÷3 32060640.25
n÷5 25648512.2

Exponentiation

ny
n2 16446154451838721
n3 2.1090969655053E+24
n4 2.7047599625373E+32
n5 3.4686534448605E+40

Nth Root

y√n
2√n 11324.42320827
3√n 504.28656044728
4√n 106.41627323051
5√n 41.841422062429

Divisors of 128242561

1, 128242561

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128242562
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64121281
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11324.423252422
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999844046
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128242561 can be divided by 2 positive divisors. The sum of these divisors (counting 128242561) is 128242562, the average is 64121281.

Base conversion 128242561

Base System Value
2 Binary 111101001001101001110000001
3 Ternary 22221022101201111
4 Quaternary 13221031032001
5 Quinary 230312230221
6 Senary 20420403321
8 Octal 751151601
10 Decimal 128242561
12 Duodecimal 36b46541
16 Hexadecimal 7a4d381
20 Vigesimal 201a681
36 Base36 24cold

Cryptographic Hash Functions

md5 f0e3036881eb7c370424a28bd9f77921
sha1 d336ed2582a4c1c484da810174b1c42b419177d3
sha256 32a2c7eb140a2bb2eadaeb4b940ef1d43b4b9d329533942c6e9097a401b0debe
sha512 61f2236cd0a98fe51afbd5cad4ee7973378322aa3d94ca959b06e9abfc983c665a32cf944982e8bff5b0621b5749855510ea17178b6e5a30269b5bf287148e41
ripemd-160 08a63e14872535dbac24736ada1d42e00f2ec824

128242561 as geometric shapes

Circle

Radius = n
Diameter 256485122
Circumference 805771775.03028
Area 5.16671180057E+16

Sphere

Radius = n
Volume 8.8345647100535E+24
Surface area 2.066684720228E+17
Circumference 805771775.03028

Square

Length = n
Perimeter 512970244
Area 16446154451838721
Diagonal 181362369.03966

Cube

Length = n
Surface area 98676926711032326
Volume 2.1090969655053E+24
Space diagonal 222122631.34475

Equilateral Triangle

Length = n
Perimeter 384727683
Area 7.1213937749274E+15
Altitude 111061315.67238

Triangular Pyramid

Length = n
Surface area 7.1213937749274E+15
Volume 2.4855946108147E+23
Height 60454123.01322