181738139 (number)

181738139 is an odd 9-digits composite number following 181738138 and preceding 181738140. In scientific notation, it is written as 1.81738139 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 165216480 positive integers (up to 181738139) that are relatively prime to 181738139.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million seven hundred thirty-eight thousand one hundred thirty-nine

Notation

Scientific notation 1.81738139 × 10^8
Engineering notation 1.81738139 × 10^6

Prime Factorization of 181738139

Prime Factorization 11 × 16521649

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 181738139
Product of the distinct prime numbers

The prime factorization of 181738139 is 11 × 16521649. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 181738139)

Multiplication

n×y
n×2 363476278
n×3 545214417
n×4 726952556
n×5 908690695

Division

n÷y
n÷2 90869069.5
n÷3 60579379.666667
n÷3 45434534.75
n÷5 36347627.8

Exponentiation

ny
n2 33028751167183321
n3 6.002583770618E+24
n4 1.0908984036637E+33
n5 1.9825784571991E+41

Nth Root

y√n
2√n 13481.028855395
3√n 566.43318920629
4√n 116.10783287701
5√n 44.863093354517

Divisors of 181738139

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 -181738138
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 181738139 can be divided by 4 positive divisors. The sum of these divisors (counting 181738139) is 1, the average is 0.25.

Base conversion 181738139

Base System Value
2 Binary 1010110101010001101010011011
3 Ternary 110122222020212012
4 Quaternary 22311101222123
5 Quinary 333011110024
6 Senary 30011140135
8 Octal 1265215233
10 Decimal 181738139
12 Duodecimal 50a4464b
16 Hexadecimal ad51a9b
20 Vigesimal 2gfh56j
36 Base36 307a1n

Cryptographic Hash Functions

md5 04541623570d25d70acf3744ff86da35
sha1 a2a526e50645266a16f2395d7469dbaaad29a3b7
sha256 7ce22ba3c23ee25efef461fce1dd1d285ab087d6a96abb66cfd125f104df4565
sha512 bf3706d8da7d8fe6168596dc747b0fbc7c0551cae694615e45f347bf45615cdb2fe8c90b17b17a3bfb0cd016efe1f08dcce67ffc6f3f3e1845dfac41047f33ab
ripemd-160 7c3e824d60dd4843f6f271c51c8f56c170c8693f

181738139 as geometric shapes

Circle

Radius = n
Diameter 363476278
Circumference 1141894404.719
Area 1.0376288202407E+17

Sphere

Radius = n
Volume 2.5143564101774E+25
Surface area 4.1505152809627E+17
Circumference 1141894404.719

Square

Length = n
Perimeter 726952556
Area 33028751167183321
Diagonal 257016540.97425

Cube

Length = n
Surface area 198172507003099926
Volume 6.002583770618E+24
Space diagonal 314779690.42101

Equilateral Triangle

Length = n
Perimeter 545214417
Area 1.4301868783028E+16
Altitude 157389845.21051

Triangular Pyramid

Length = n
Surface area 1.4301868783028E+16
Volume 7.0741128147405E+23
Height 85672180.324749