128528994 (number)

128528994 is an even 9-digits composite number following 128528993 and preceding 128528995. In scientific notation, it is written as 1.28528994 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 38508800 positive integers (up to 128528994) that are relatively prime to 128528994.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-eight thousand nine hundred ninety-four

Notation

Scientific notation 1.28528994 × 10^8
Engineering notation 1.28528994 × 10^6

Prime Factorization of 128528994

Prime Factorization 2 × 3 × 89 × 11 × 21881

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128528994
Product of the distinct prime numbers

The prime factorization of 128528994 is 2 × 3 × 89 × 11 × 21881. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128528994)

Multiplication

n×y
n×2 257057988
n×3 385586982
n×4 514115976
n×5 642644970

Division

n÷y
n÷2 64264497
n÷3 42842998
n÷3 32132248.5
n÷5 25705798.8

Exponentiation

ny
n2 16519702298652036
n3 2.1232607176252E+24
n4 2.7290056403609E+32
n5 3.5075634957591E+40

Nth Root

y√n
2√n 11337.06284714
3√n 504.66172686234
4√n 106.47564438471
5√n 41.860096160902

Divisors of 128528994

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128528993
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128528994 can be divided by 32 positive divisors. The sum of these divisors (counting 128528994) is 1, the average is 0.03125.

Base conversion 128528994

Base System Value
2 Binary 111101010010011001001100010
3 Ternary 22221211221122010
4 Quaternary 13222103021202
5 Quinary 230400411434
6 Senary 20430453350
8 Octal 752231142
10 Decimal 128528994
12 Duodecimal 37064256
16 Hexadecimal 7a93262
20 Vigesimal 203629e
36 Base36 24itlu

Cryptographic Hash Functions

md5 48ddf6275d2053b18e1d9f29f2f0a96c
sha1 480c01ef8b88dc50aafab7c4970c1ba63a1beb50
sha256 89179ce293d7f2278f6f12cf547014b16af72b29de006eef6ce2d34c02c929c2
sha512 8b0b828e885105431062ba4b7fa1cb798fd1bd00f1d37b46b693d905cbb9022ae7b02691eeffb944e85405d441306ba0827c1d8819978fcb6245acdb64784f31
ripemd-160 16dcc6ff75484ce4003b256ea2fa9a74dc4b34aa

128528994 as geometric shapes

Circle

Radius = n
Diameter 257057988
Circumference 807571486.64737
Area 5.1898175380936E+16

Sphere

Radius = n
Volume 8.8938936961963E+24
Surface area 2.0759270152374E+17
Circumference 807571486.64737

Square

Length = n
Perimeter 514115976
Area 16519702298652036
Diagonal 181767446.47297

Cube

Length = n
Surface area 99118213791912216
Volume 2.1232607176252E+24
Space diagonal 222618747.85372

Equilateral Triangle

Length = n
Perimeter 385586982
Area 7.1532409267944E+15
Altitude 111309373.92686

Triangular Pyramid

Length = n
Surface area 7.1532409267944E+15
Volume 2.5022867527664E+23
Height 60589148.824323