128433991 (number)

128433991 is an odd 9-digits composite number following 128433990 and preceding 128433992. In scientific notation, it is written as 1.28433991 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 107525880 positive integers (up to 128433991) that are relatively prime to 128433991.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred thirty-three thousand nine hundred ninety-one

Notation

Scientific notation 1.28433991 × 10^8
Engineering notation 1.28433991 × 10^6

Prime Factorization of 128433991

Prime Factorization 301 × 426691

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128433991
Product of the distinct prime numbers

The prime factorization of 128433991 is 301 × 426691. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128433991)

Multiplication

n×y
n×2 256867982
n×3 385301973
n×4 513735964
n×5 642169955

Division

n÷y
n÷2 64216995.5
n÷3 42811330.333333
n÷3 32108497.75
n÷5 25686798.2

Exponentiation

ny
n2 16495290044188081
n3 2.1185559330776E+24
n4 2.7209459364189E+32
n5 3.4946194590951E+40

Nth Root

y√n
2√n 11332.872142577
3√n 504.5373549361
4√n 106.45596339603
5√n 41.853906100723

Divisors of 128433991

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 -128433990
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 128433991 can be divided by 4 positive divisors. The sum of these divisors (counting 128433991) is 1, the average is 0.25.

Base conversion 128433991

Base System Value
2 Binary 111101001111011111101000111
3 Ternary 22221200010022111
4 Quaternary 13221323331013
5 Quinary 230334341431
6 Senary 20424441451
8 Octal 751737507
10 Decimal 128433991
12 Duodecimal 37019287
16 Hexadecimal 7a7bf47
20 Vigesimal 202e4jb
36 Base36 24gsav

Cryptographic Hash Functions

md5 b4a95031f04be23efdb7c5475f9be4d7
sha1 b2a1aac12f9e7c76acc5c4a6620227cefc585e12
sha256 5253704a369b81582839231fbe46d3f6852b550930c49dc3e478abf34a6b8905
sha512 18c696069c258148b4c94bd3ec7e780b2c8d9342b3a8bf05a232440ceb988bc7d3410d8e9c9635f4d26b42628408edc00286e4ffff6d6703cf4b62bb37550bad
ripemd-160 f7a2b4c1fd77422a00e9024794ad3a030f6fdfa8

128433991 as geometric shapes

Circle

Radius = n
Diameter 256867982
Circumference 806974565.19364
Area 5.1821482021654E+16

Sphere

Radius = n
Volume 8.8741863407677E+24
Surface area 2.0728592808662E+17
Circumference 806974565.19364

Square

Length = n
Perimeter 513735964
Area 16495290044188081
Diagonal 181633091.9419

Cube

Length = n
Surface area 98971740265128486
Volume 2.1185559330776E+24
Space diagonal 222454197.83084

Equilateral Triangle

Length = n
Perimeter 385301973
Area 7.1426701105297E+15
Altitude 111227098.91542

Triangular Pyramid

Length = n
Surface area 7.1426701105297E+15
Volume 2.4967421110037E+23
Height 60544363.980635