181681330 (number)

181681330 is an even 9-digits composite number following 181681329 and preceding 181681331. In scientific notation, it is written as 1.81681330 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 72382000 positive integers (up to 181681330) that are relatively prime to 181681330.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million six hundred eighty-one thousand three hundred thirty

Notation

Scientific notation 1.81681330 × 10^8
Engineering notation 1.81681330 × 10^6

Prime Factorization of 181681330

Prime Factorization 2 × 5 × 251 × 72383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 181681330
Product of the distinct prime numbers

The prime factorization of 181681330 is 2 × 5 × 251 × 72383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 74, 9, 374, 777, 2634, 1191, 9815, 33423, 740722, 176550, 4465973, 9799916, 6546443, 48633957, 434639787, 825776873, 4749121968, 9677765763

Basic calculations (n = 181681330)

Multiplication

n×y
n×2 363362660
n×3 545043990
n×4 726725320
n×5 908406650

Division

n÷y
n÷2 90840665
n÷3 60560443.333333
n÷3 45420332.5
n÷5 36336266

Exponentiation

ny
n2 33008105670568900
n3 5.9969565390095E+24
n4 1.0895350399594E+33
n5 1.9794817514143E+41

Nth Root

y√n
2√n 13478.921692776
3√n 566.37416315069
4√n 116.09875836018
5√n 44.860288278806

Divisors of 181681330

1, 2, 5, 10, 251, 502, 1255, 2510, 72383, 144766, 361915, 723830, 18168133, 36336266, 90840665, 181681330

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 -181681329
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 181681330 can be divided by 16 positive divisors. The sum of these divisors (counting 181681330) is 1, the average is 0.0625.

Base conversion 181681330

Base System Value
2 Binary 1010110101000011110010110010
3 Ternary 110122212100221011
4 Quaternary 22311003302302
5 Quinary 333002300310
6 Senary 30010021134
8 Octal 1265036262
10 Decimal 181681330
12 Duodecimal 50a177aa
16 Hexadecimal ad43cb2
20 Vigesimal 2gfa36a
36 Base36 30627m

Cryptographic Hash Functions

md5 3000a7edd41d75a9839f162457e51ad4
sha1 a6fdcfefcc4147620d301e78d5e2c350b5717d44
sha256 a8f9d9f6a194ccbb7e1ccd6042adcf8e3540c9cd2709867efb7377688191a5b9
sha512 8255362b55d9524f5227a5cbfbf13e1a834b51f11caf17a3ed317fe781692322564857da88c1ca8b8120f9d74eaedaff8e42da1aa15abc8ad7f4c20630e29615
ripemd-160 3c1ce3e071d81ea1f8418d6c0a7f2899bc4100b0

181681330 as geometric shapes

Circle

Radius = n
Diameter 363362660
Circumference 1141537463.2448
Area 1.0369802228357E+17

Sphere

Radius = n
Volume 2.5119992809133E+25
Surface area 4.147920891343E+17
Circumference 1141537463.2448

Square

Length = n
Perimeter 726725320
Area 33008105670568900
Diagonal 256936200.91598

Cube

Length = n
Surface area 198048634023413400
Volume 5.9969565390095E+24
Space diagonal 314681294.34669

Equilateral Triangle

Length = n
Perimeter 545043990
Area 1.4292929020757E+16
Altitude 157340647.17334

Triangular Pyramid

Length = n
Surface area 1.4292929020757E+16
Volume 7.067481058691E+23
Height 85645400.305327