128698531 (number)

128698531 is an odd 9-digits composite number following 128698530 and preceding 128698532. In scientific notation, it is written as 1.28698531 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 118798632 positive integers (up to 128698531) that are relatively prime to 128698531.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-eight thousand five hundred thirty-one

Notation

Scientific notation 1.28698531 × 10^8
Engineering notation 1.28698531 × 10^6

Prime Factorization of 128698531

Prime Factorization 13 × 9899887

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128698531
Product of the distinct prime numbers

The prime factorization of 128698531 is 13 × 9899887. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 54, 26, 986, 690, 9481, 1187, 27036, 78002, 341281, 620436, 6378409, 4766572, 82307420, 19499621, 27429195, 885084890, 2912008739, 6946063912

Basic calculations (n = 128698531)

Multiplication

n×y
n×2 257397062
n×3 386095593
n×4 514794124
n×5 643492655

Division

n÷y
n÷2 64349265.5
n÷3 42899510.333333
n÷3 32174632.75
n÷5 25739706.2

Exponentiation

ny
n2 16563311881557961
n3 2.1316739076514E+24
n4 2.7434330048576E+32
n5 3.5307579762209E+40

Nth Root

y√n
2√n 11344.537496082
3√n 504.88352180808
4√n 106.5107388768
5√n 41.871133504948

Divisors of 128698531

1, 13, 9899887, 128698531

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 -128698530
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 128698531 can be divided by 4 positive divisors. The sum of these divisors (counting 128698531) is 1, the average is 0.25.

Base conversion 128698531

Base System Value
2 Binary 111101010111100100010100011
3 Ternary 22222011120012021
4 Quaternary 13222330202203
5 Quinary 230421323111
6 Senary 20434242311
8 Octal 752744243
10 Decimal 128698531
12 Duodecimal 37126397
16 Hexadecimal 7abc8a3
20 Vigesimal 204766b
36 Base36 24mgf7

Cryptographic Hash Functions

md5 53d76fd0d726015e6329b46aad86c88c
sha1 717e7b830f9eed8077c7b0672b16e4097110a758
sha256 de5075d5ac5e0e581b0fb52121c2b58398a980a69b13197fa88a95045e10b6f3
sha512 6f3e61d6f98155260a8b084f3a77dc18558cc569679a9be322812e9cd4216820a7a893619d0662c7627a5be4de2969fc133805bd366871bc91c6f6e17d862cef
ripemd-160 41c857a6c675fa52ca9e435aaac780a9c8861c6c

128698531 as geometric shapes

Circle

Radius = n
Diameter 257397062
Circumference 808636719.0348
Area 5.2035178926219E+16

Sphere

Radius = n
Volume 8.9291347841687E+24
Surface area 2.0814071570488E+17
Circumference 808636719.0348

Square

Length = n
Perimeter 514794124
Area 16563311881557961
Diagonal 182007207.99769

Cube

Length = n
Surface area 99379871289347766
Volume 2.1316739076514E+24
Space diagonal 222912394.55148

Equilateral Triangle

Length = n
Perimeter 386095593
Area 7.1721244301169E+15
Altitude 111456197.27574

Triangular Pyramid

Length = n
Surface area 7.1721244301169E+15
Volume 2.5122017922978E+23
Height 60669069.332565