128693491 (number)

128693491 is an odd 9-digits prime number following 128693490 and preceding 128693492. In scientific notation, it is written as 1.28693491 × 10^8. The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors. There are 128693490 positive integers (up to 128693491) that are relatively prime to 128693491.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-three thousand four hundred ninety-one

Notation

Scientific notation 1.28693491 × 10^8
Engineering notation 1.28693491 × 10^6

Prime Factorization of 128693491

Prime Factorization 128693491

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128693491
Product of the distinct prime numbers

The prime factorization of 128693491 is 128693491. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 10, 11, 95, 132, 946, 1320, 1879, 16431, 96384, 561185, 839865, 1776621, 2543433, 50567807, 52612997, 293810348, 585007004, 3840223089, 3757962356

Basic calculations (n = 128693491)

Multiplication

n×y
n×2 257386982
n×3 386080473
n×4 514773964
n×5 643467455

Division

n÷y
n÷2 64346745.5
n÷3 42897830.333333
n÷3 32173372.75
n÷5 25738698.2

Exponentiation

ny
n2 16562014625767081
n3 2.131423480183E+24
n4 2.7430032846412E+32
n5 3.5300666852495E+40

Nth Root

y√n
2√n 11344.315360567
3√n 504.87693109269
4√n 106.5096960871
5√n 41.870805554322

Divisors of 128693491

1, 128693491

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128693492
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64346746
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11344.315404642
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999844592
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128693491 can be divided by 2 positive divisors. The sum of these divisors (counting 128693491) is 128693492, the average is 64346746.

Base conversion 128693491

Base System Value
2 Binary 111101010111011010011110011
3 Ternary 22222011022021121
4 Quaternary 13222323103303
5 Quinary 230421142431
6 Senary 20434203111
8 Octal 752732363
10 Decimal 128693491
12 Duodecimal 37123497
16 Hexadecimal 7abb4f3
20 Vigesimal 2046deb
36 Base36 24mcj7

Cryptographic Hash Functions

md5 ef8fb36aed2cd213ce6c8c3adaed987b
sha1 f0131e58b19f26bbd1c58cee0a9435fe826c4b50
sha256 310bd23298affe93672c5924f0fd27825b0d1daaf5c3ad7d33a5ef4bda36a9af
sha512 23fd2c2f023a04927e67c04a47c24218415617478df05941f1110b6cd49305bdf0d7aab66c18dccee6da6009f647b27bdd38b8473152b86d45a6f0de340726fc
ripemd-160 aee0a0bf059dedabec311dcb4755e061bf20087f

128693491 as geometric shapes

Circle

Radius = n
Diameter 257386982
Circumference 808605051.78085
Area 5.2031103476957E+16

Sphere

Radius = n
Volume 8.9280857960424E+24
Surface area 2.0812441390783E+17
Circumference 808605051.78085

Square

Length = n
Perimeter 514773964
Area 16562014625767081
Diagonal 182000080.36134

Cube

Length = n
Surface area 99372087754602486
Volume 2.131423480183E+24
Space diagonal 222903665.01541

Equilateral Triangle

Length = n
Perimeter 386080473
Area 7.1715627018819E+15
Altitude 111451832.5077

Triangular Pyramid

Length = n
Surface area 7.1715627018819E+15
Volume 2.5119066606961E+23
Height 60666693.45378