128694471 (number)

128694471 is an odd 9-digits composite number following 128694470 and preceding 128694472. In scientific notation, it is written as 1.28694471 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 79542144 positive integers (up to 128694471) that are relatively prime to 128694471.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28694471 × 10^8
Engineering notation 1.28694471 × 10^6

Prime Factorization of 128694471

Prime Factorization 3 × 17 × 67 × 37663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128694471
Product of the distinct prime numbers

The prime factorization of 128694471 is 3 × 17 × 67 × 37663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 42, 35, 851, 990, 1874, 2025, 12944, 73262, 39462, 292196, 8502659, 9764249, 7836633, 13537635, 434579710, 775701504, 2926251986, 9865167780

Basic calculations (n = 128694471)

Multiplication

n×y
n×2 257388942
n×3 386083413
n×4 514777884
n×5 643472355

Division

n÷y
n÷2 64347235.5
n÷3 42898157
n÷3 32173617.75
n÷5 25738894.2

Exponentiation

ny
n2 16562266865969841
n3 2.1314721728768E+24
n4 2.743086837396E+32
n5 3.5302010944574E+40

Nth Root

y√n
2√n 11344.358553925
3√n 504.87821263416
4√n 106.50989885417
5√n 41.870869323304

Divisors of 128694471

1, 3, 17, 51, 67, 201, 1139, 3417, 37663, 112989, 640271, 1920813, 2523421, 7570263, 42898157, 128694471

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128694470
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128694471 can be divided by 16 positive divisors. The sum of these divisors (counting 128694471) is 1, the average is 0.0625.

Base conversion 128694471

Base System Value
2 Binary 111101010111011100011000111
3 Ternary 22222011100121220
4 Quaternary 13222323203013
5 Quinary 230421210341
6 Senary 20434211423
8 Octal 752734307
10 Decimal 128694471
12 Duodecimal 37123b73
16 Hexadecimal 7abb8c7
20 Vigesimal 2046g3b
36 Base36 24mdaf

Cryptographic Hash Functions

md5 56a5007d215dbb758dd641c8a1728119
sha1 cfaec65bcdaf5d3248e2f8ff041a85e8ebf58c19
sha256 3271ab9c91ff54076945002d0d1f5ad69190b093416a4f24c837aeea716e74b3
sha512 8e50790a1240197a854cc335e65ffc39e00909299db41e726e5de512baaea791daff23176c8738add742e22e3d62faa395be03ecad7ef21003e1204738314c62
ripemd-160 fafdb3e3caaba31ac622d37705769d289585a20e

128694471 as geometric shapes

Circle

Radius = n
Diameter 257388942
Circumference 808611209.30245
Area 5.2031895912924E+16

Sphere

Radius = n
Volume 8.9282897595212E+24
Surface area 2.081275836517E+17
Circumference 808611209.30245

Square

Length = n
Perimeter 514777884
Area 16562266865969841
Diagonal 182001466.29063

Cube

Length = n
Surface area 99373601195819046
Volume 2.1314721728768E+24
Space diagonal 222905362.4252

Equilateral Triangle

Length = n
Perimeter 386083413
Area 7.1716719250936E+15
Altitude 111452681.2126

Triangular Pyramid

Length = n
Surface area 7.1716719250936E+15
Volume 2.511964045586E+23
Height 60667155.43021