128993894 (number)

128993894 is an even 9-digits composite number following 128993893 and preceding 128993895. In scientific notation, it is written as 1.28993894 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 60873120 positive integers (up to 128993894) that are relatively prime to 128993894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28993894 × 10^8
Engineering notation 1.28993894 × 10^6

Prime Factorization of 128993894

Prime Factorization 2 × 367 × 2623 × 67

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128993894
Product of the distinct prime numbers

The prime factorization of 128993894 is 2 × 367 × 2623 × 67. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 96, 3, 926, 322, 3971, 619, 95618, 62309, 858260, 755479, 9095828, 7745887, 95740125, 55274225, 63961818, 743811605, 1037407036, 5013591591

Basic calculations (n = 128993894)

Multiplication

n×y
n×2 257987788
n×3 386981682
n×4 515975576
n×5 644969470

Division

n÷y
n÷2 64496947
n÷3 42997964.666667
n÷3 32248473.5
n÷5 25798778.8

Exponentiation

ny
n2 16639424689283236
n3 2.1463841845904E+24
n4 2.7687045399033E+32
n5 3.571459799376E+40

Nth Root

y√n
2√n 11357.547886758
3√n 505.26946243999
4√n 106.5717968637
5√n 41.890334728222

Divisors of 128993894

1, 2, 67, 134, 367, 734, 2623, 5246, 24589, 49178, 175741, 351482, 962641, 1925282, 64496947, 128993894

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 -128993893
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 128993894 can be divided by 16 positive divisors. The sum of these divisors (counting 128993894) is 1, the average is 0.0625.

Base conversion 128993894

Base System Value
2 Binary 111101100000100101001100110
3 Ternary 22222201120100122
4 Quaternary 13230010221212
5 Quinary 231010301034
6 Senary 20444441542
8 Octal 754045146
10 Decimal 128993894
12 Duodecimal 372492b2
16 Hexadecimal 7b04a66
20 Vigesimal 20644ee
36 Base36 24ssbq

Cryptographic Hash Functions

md5 ec7b856ee479fba82c919574a40fe3de
sha1 89f53c80d18926cba8440786fb926b0befe53968
sha256 01975fcfe1741151329493f20657efdc5957732ee106ff52353b674c1719fc73
sha512 aab78a60d5df81e3389426a22c2b310859b616daa1180dfc5ca9b9eab709ff97c528dd4e92d25f93e0dfd5dec0d428d4cb1d035f504f3c3b783510ee8e5c708d
ripemd-160 5a9cc85756a33547ab7718848ddae180b0d11ad0

128993894 as geometric shapes

Circle

Radius = n
Diameter 257987788
Circumference 810492539.49668
Area 5.2274294363813E+16

Sphere

Radius = n
Volume 8.9907530481206E+24
Surface area 2.0909717745525E+17
Circumference 810492539.49668

Square

Length = n
Perimeter 515975576
Area 16639424689283236
Diagonal 182424914.35812

Cube

Length = n
Surface area 99836548135699416
Volume 2.1463841845904E+24
Space diagonal 223423978.27415

Equilateral Triangle

Length = n
Perimeter 386981682
Area 7.2050822426386E+15
Altitude 111711989.13708

Triangular Pyramid

Length = n
Surface area 7.2050822426386E+15
Volume 2.5295380199257E+23
Height 60808304.786039