128211816 (number)

128211816 is an even 9-digits composite number following 128211815 and preceding 128211817. In scientific notation, it is written as 1.28211816 × 10^8. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 42737264 positive integers (up to 128211816) that are relatively prime to 128211816.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred eleven thousand eight hundred sixteen

Notation

Scientific notation 1.28211816 × 10^8
Engineering notation 1.28211816 × 10^6

Prime Factorization of 128211816

Prime Factorization 2 × 2 × 2 × 3 × 5342159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32052954
Product of the distinct prime numbers

The prime factorization of 128211816 is 2 × 2 × 2 × 3 × 5342159. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128211816)

Multiplication

n×y
n×2 256423632
n×3 384635448
n×4 512847264
n×5 641059080

Division

n÷y
n÷2 64105908
n÷3 42737272
n÷3 32052954
n÷5 25642363.2

Exponentiation

ny
n2 16438269762017856
n3 2.1075804180862E+24
n4 2.7021671276887E+32
n5 3.4644975457647E+40

Nth Root

y√n
2√n 11323.06566262
3√n 504.24625783805
4√n 106.40989457104
5√n 41.839415649126

Divisors of 128211816

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 -128211815
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 128211816 can be divided by 16 positive divisors. The sum of these divisors (counting 128211816) is 1, the average is 0.0625.

Base conversion 128211816

Base System Value
2 Binary 111101001000101101101101000
3 Ternary 22221020211112210
4 Quaternary 13221011231220
5 Quinary 230310234231
6 Senary 20420005120
8 Octal 751055550
10 Decimal 128211816
12 Duodecimal 36b307a0
16 Hexadecimal 7a45b68
20 Vigesimal 20169ag
36 Base36 24c0vc

Cryptographic Hash Functions

md5 159948ebac78555f8956a44dfaa41f44
sha1 0e58a14164ef65b3e768e57ee9302009f71d37c5
sha256 8cfcd7db078b70168d8d5a68c1b3338dc7d75a24801037c37a6b0dc69c4915fe
sha512 92ac2e47af9853a31be9339e964ccda6e93666f18eb6761044c427fef2e9f2eb01a7e7b39c33ba934a93ed4642862536a329d45b194b4fa489958207ea446cbc
ripemd-160 f8f95d945ad744c73065e4cf07b4c4afa2ab9f66

128211816 as geometric shapes

Circle

Radius = n
Diameter 256423632
Circumference 805578598.49801
Area 5.1642347522083E+16

Sphere

Radius = n
Volume 8.8282122110791E+24
Surface area 2.0656939008833E+17
Circumference 805578598.49801

Square

Length = n
Perimeter 512847264
Area 16438269762017856
Diagonal 181318889.04368

Cube

Length = n
Surface area 98629618572107136
Volume 2.1075804180862E+24
Space diagonal 222069379.44267

Equilateral Triangle

Length = n
Perimeter 384635448
Area 7.1179796040845E+15
Altitude 111034689.72134

Triangular Pyramid

Length = n
Surface area 7.1179796040845E+15
Volume 2.4838073425412E+23
Height 60439629.681228