81180306 (number)

81180306 is an even 8-digits composite number following 81180305 and preceding 81180307. In scientific notation, it is written as 8.1180306 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 26956800 positive integers (up to 81180306) that are relatively prime to 81180306.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1180306 × 10^7
Engineering notation 8.1180306 × 10^6

Prime Factorization of 81180306

Prime Factorization 2 × 27 × 3 × 313 × 1601

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81180306
Product of the distinct prime numbers

The prime factorization of 81180306 is 2 × 27 × 3 × 313 × 1601. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81180306)

Multiplication

n×y
n×2 162360612
n×3 243540918
n×4 324721224
n×5 405901530

Division

n÷y
n÷2 40590153
n÷3 27060102
n÷3 20295076.5
n÷5 16236061.2

Exponentiation

ny
n2 6590242082253636
n3 5.3499786885143E+23
n4 4.3431290702707E+31
n5 3.5257654692207E+39

Nth Root

y√n
2√n 9010.0114317353
3√n 432.99567792552
4√n 94.921080017746
5√n 38.18476628612

Divisors of 81180306

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81180305
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81180306 can be divided by 32 positive divisors. The sum of these divisors (counting 81180306) is 1, the average is 0.03125.

Base conversion 81180306

Base System Value
2 Binary 100110101101011011010010010
3 Ternary 12122202101110000
4 Quaternary 10311223122102
5 Quinary 131240232211
6 Senary 12015550430
8 Octal 465533222
10 Decimal 81180306
12 Duodecimal 2322b416
16 Hexadecimal 4d6b692
20 Vigesimal 1577af6
36 Base36 1cbz4i

Cryptographic Hash Functions

md5 71ccd8eb0c233489eae130fc03c897bc
sha1 fcd1cc52c686b8da2a2408a4307e78856fcbcf7f
sha256 90b96e3574918669d7e8275006b55e7c6f090e12d183d37d7208f2e8ca9181a9
sha512 1a66003b0b8bafeab7b5ea2a883789224a77583ef7c111d2ac582f5b2561ea306ef75975f6f499f98a2a43c512f57d77400dbaa3d1552806d9e80785178b2c1a
ripemd-160 c0eb31a353f1351e9d4b459886e60529bb1ae4b2

81180306 as geometric shapes

Circle

Radius = n
Diameter 162360612
Circumference 510070905.89154
Area 2.0703856110986E+16

Sphere

Radius = n
Volume 2.2409938326265E+24
Surface area 8.2815424443945E+16
Circumference 510070905.89154

Square

Length = n
Perimeter 324721224
Area 6590242082253636
Diagonal 114806289.7428

Cube

Length = n
Surface area 39541452493521816
Volume 5.3499786885143E+23
Space diagonal 140608414.56599

Equilateral Triangle

Length = n
Perimeter 243540918
Area 2.8536585301605E+15
Altitude 70304207.282994

Triangular Pyramid

Length = n
Surface area 2.8536585301605E+15
Volume 6.3050103497533E+22
Height 38268763.247599