128021235 (number)

128021235 is an odd 9-digits composite number following 128021234 and preceding 128021236. In scientific notation, it is written as 1.28021235 × 10^8. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 66989312 positive integers (up to 128021235) that are relatively prime to 128021235.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28021235 × 10^8
Engineering notation 1.28021235 × 10^6

Prime Factorization of 128021235

Prime Factorization 15 × 53 × 161033

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128021235
Product of the distinct prime numbers

The prime factorization of 128021235 is 15 × 53 × 161033. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128021235)

Multiplication

n×y
n×2 256042470
n×3 384063705
n×4 512084940
n×5 640106175

Division

n÷y
n÷2 64010617.5
n÷3 42673745
n÷3 32005308.75
n÷5 25604247

Exponentiation

ny
n2 16389436610925225
n3 2.0981959158849E+24
n4 2.6861363242354E+32
n5 3.4388248960697E+40

Nth Root

y√n
2√n 11314.646923347
3√n 503.99628760808
4√n 106.37032914938
5√n 41.826969771313

Divisors of 128021235

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128021234
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128021235 can be divided by 8 positive divisors. The sum of these divisors (counting 128021235) is 1, the average is 0.125.

Base conversion 128021235

Base System Value
2 Binary 111101000010111001011110011
3 Ternary 22220220011010020
4 Quaternary 13220113023303
5 Quinary 230233134420
6 Senary 20411534523
8 Octal 750271363
10 Decimal 128021235
12 Duodecimal 36a5a443
16 Hexadecimal 7a172f3
20 Vigesimal 2002d1f
36 Base36 247xtf

Cryptographic Hash Functions

md5 bbe24b24ec083ccdb9d994644819700e
sha1 69d928c5c6c06e51fcc0ebc274a8dc06773f7a3e
sha256 27482ac3b2919d5154ca60c9877223974f89f4a0e45f48ae5b69cf061a449578
sha512 989f7c97cd6c4327282562ed1b6f5a8860e25d48eb721238addeb3681449d6755fa1a675329f900b14e76d5dc5f52129a3e2e0c552ca8272a3094b1043a0c9d9
ripemd-160 6130eced8bc572aaa727352a5c96cf73972ec090

128021235 as geometric shapes

Circle

Radius = n
Diameter 256042470
Circumference 804381142.75899
Area 5.1488933653358E+16

Sphere

Radius = n
Volume 8.7889025001813E+24
Surface area 2.0595573461343E+17
Circumference 804381142.75899

Square

Length = n
Perimeter 512084940
Area 16389436610925225
Diagonal 181049366.80875

Cube

Length = n
Surface area 98336619665551350
Volume 2.0981959158849E+24
Space diagonal 221739283.46771

Equilateral Triangle

Length = n
Perimeter 384063705
Area 7.096834229388E+15
Altitude 110869641.73386

Triangular Pyramid

Length = n
Surface area 7.096834229388E+15
Volume 2.4727476006335E+23
Height 60349788.936251