128698982 (number)

128698982 is an even 9-digits composite number following 128698981 and preceding 128698983. In scientific notation, it is written as 1.28698982 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 64349490 positive integers (up to 128698982) that are relatively prime to 128698982.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-eight thousand nine hundred eighty-two

Notation

Scientific notation 1.28698982 × 10^8
Engineering notation 1.28698982 × 10^6

Prime Factorization of 128698982

Prime Factorization 2 × 64349491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128698982
Product of the distinct prime numbers

The prime factorization of 128698982 is 2 × 64349491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128698982)

Multiplication

n×y
n×2 257397964
n×3 386096946
n×4 514795928
n×5 643494910

Division

n÷y
n÷2 64349491
n÷3 42899660.666667
n÷3 32174745.5
n÷5 25739796.4

Exponentiation

ny
n2 16563427967836324
n3 2.1316963178909E+24
n4 2.743471460457E+32
n5 3.5308198410687E+40

Nth Root

y√n
2√n 11344.557373472
3√n 504.88411156411
4√n 106.51083218843
5√n 41.871162850822

Divisors of 128698982

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 -128698981
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 128698982 can be divided by 4 positive divisors. The sum of these divisors (counting 128698982) is 1, the average is 0.25.

Base conversion 128698982

Base System Value
2 Binary 111101010111100101001100110
3 Ternary 22222011120210222
4 Quaternary 13222330221212
5 Quinary 230421331412
6 Senary 20434244342
8 Octal 752745146
10 Decimal 128698982
12 Duodecimal 371266b2
16 Hexadecimal 7abca66
20 Vigesimal 2047792
36 Base36 24mgrq

Cryptographic Hash Functions

md5 0d1199a974273a3dd23d0484c7cbfa89
sha1 b498760a9faa770cc5dce74916eb78558aaa8bd1
sha256 91e86fee84e7f5cb031a06ff1adbf46d9fa0b3cb92e63e68e4a484050c99e6e7
sha512 6d90f6bc9de595745e4eebd572d808727b1200ceabf001b15639cd87e58d339e0598796286e7430667d6c61a6e850caa75c12c1c5b01b703274b568babe972fe
ripemd-160 239ff64847461f5d25344d6ced5e6a89b897bcc9

128698982 as geometric shapes

Circle

Radius = n
Diameter 257397964
Circumference 808639552.75137
Area 5.2035543622018E+16

Sphere

Radius = n
Volume 8.9292286559605E+24
Surface area 2.0814217448807E+17
Circumference 808639552.75137

Square

Length = n
Perimeter 514795928
Area 16563427967836324
Diagonal 182007845.80801

Cube

Length = n
Surface area 99380567807017944
Volume 2.1316963178909E+24
Space diagonal 222913175.70639

Equilateral Triangle

Length = n
Perimeter 386096946
Area 7.17217469695E+15
Altitude 111456587.8532

Triangular Pyramid

Length = n
Surface area 7.17217469695E+15
Volume 2.5122282030184E+23
Height 60669281.936004