181008021 (number)

181008021 is an odd 9-digits composite number following 181008020 and preceding 181008022. In scientific notation, it is written as 1.81008021 × 10^8. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 120587040 positive integers (up to 181008021) that are relatively prime to 181008021.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million eight thousand twenty-one

Notation

Scientific notation 1.81008021 × 10^8
Engineering notation 1.81008021 × 10^6

Prime Factorization of 181008021

Prime Factorization 3 × 1471 × 41017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 181008021
Product of the distinct prime numbers

The prime factorization of 181008021 is 3 × 1471 × 41017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 65, 39, 942, 764, 2185, 6576, 67172, 85436, 912895, 439500, 9622864, 2581148, 1806699, 59045148, 440747282, 160099471, 9556894671, 3472556221

Basic calculations (n = 181008021)

Multiplication

n×y
n×2 362016042
n×3 543024063
n×4 724032084
n×5 905040105

Division

n÷y
n÷2 90504010.5
n÷3 60336007
n÷3 45252005.25
n÷5 36201604.2

Exponentiation

ny
n2 32763903666336441
n3 5.9305293628782E+24
n4 1.073473383457E+33
n5 1.9430729273572E+41

Nth Root

y√n
2√n 13453.922141889
3√n 565.67363826224
4√n 115.99104336926
5√n 44.826988532291

Divisors of 181008021

1, 3, 1471, 4413, 41017, 123051, 60336007, 181008021

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -181008020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 181008021 can be divided by 8 positive divisors. The sum of these divisors (counting 181008021) is 1, the average is 0.125.

Base conversion 181008021

Base System Value
2 Binary 1010110010011111011010010101
3 Ternary 110121121011022210
4 Quaternary 22302133122111
5 Quinary 332314224041
6 Senary 25543344033
8 Octal 1262373225
10 Decimal 181008021
12 Duodecimal 50752019
16 Hexadecimal ac9f695
20 Vigesimal 2gb6011
36 Base36 2zrmol

Cryptographic Hash Functions

md5 0894c4cab9ff96ebb5e8a3a1b03338fc
sha1 6d4da6eb9b3653666034c05733f5c9efcb8555ba
sha256 fb443bfd1ce5b23a80e81654964d8b24a6835866e975b1e5a23bda6523cdfd73
sha512 4c0d02f822e94c3da27045eb11b8e95e18e57bf7157becdae0f1750de57a3cd2390ae1136da9b97c24d48b3ef28195440b4981082bc0da4f5931a8ba3a67d104
ripemd-160 1832dc5dec983dad7c69ef38dc67841d38ffc7a3

181008021 as geometric shapes

Circle

Radius = n
Diameter 362016042
Circumference 1137306938.0289
Area 1.0293083906109E+17

Sphere

Radius = n
Volume 2.4841743304422E+25
Surface area 4.1172335624435E+17
Circumference 1137306938.0289

Square

Length = n
Perimeter 724032084
Area 32763903666336441
Diagonal 255983998.19651

Cube

Length = n
Surface area 196583421998018646
Volume 5.9305293628782E+24
Space diagonal 313515088.94949

Equilateral Triangle

Length = n
Perimeter 543024063
Area 1.4187186451097E+16
Altitude 156757544.47475

Triangular Pyramid

Length = n
Surface area 1.4187186451097E+16
Volume 6.9891958808619E+23
Height 85327999.398838