81207306 (number)

81207306 is an even 8-digits composite number following 81207305 and preceding 81207307. In scientific notation, it is written as 8.1207306 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 25764480 positive integers (up to 81207306) that are relatively prime to 81207306.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1207306 × 10^7
Engineering notation 8.1207306 × 10^6

Prime Factorization of 81207306

Prime Factorization 2 × 3 × 369 × 43 × 853

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81207306
Product of the distinct prime numbers

The prime factorization of 81207306 is 2 × 3 × 369 × 43 × 853. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81207306)

Multiplication

n×y
n×2 162414612
n×3 243621918
n×4 324829224
n×5 406036530

Division

n÷y
n÷2 40603653
n÷3 27069102
n÷3 20301826.5
n÷5 16241461.2

Exponentiation

ny
n2 6594626547777636
n3 5.355318560211E+23
n4 4.3489099304654E+31
n5 3.5316325948974E+39

Nth Root

y√n
2√n 9011.5096404543
3√n 433.04367637908
4√n 94.928971554812
5√n 38.187305945325

Divisors of 81207306

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 -81207305
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 81207306 can be divided by 32 positive divisors. The sum of these divisors (counting 81207306) is 1, the average is 0.03125.

Base conversion 81207306

Base System Value
2 Binary 100110101110010000000001010
3 Ternary 12122210202111000
4 Quaternary 10311302000022
5 Quinary 131242113211
6 Senary 12020315430
8 Octal 465620012
10 Decimal 81207306
12 Duodecimal 23242b76
16 Hexadecimal 4d7200a
20 Vigesimal 157ai56
36 Base36 1ccjyi

Cryptographic Hash Functions

md5 2014277b2043050f04eec73e4fa29564
sha1 b53cd318083324119e66a9f43fee5cbcf7e16ca4
sha256 54700c1267d8a80a134ca7646d9a9082461ee1138102f64fbb648e7fd20f5f3c
sha512 232238a48bd8bde093c300dff4632629f0b16f63e20d58b2facf45eab32bdeaffb39e61ba1c9887d8d3f32ce750ee94c4acf99cfef6806ce98c3ff4315c31738
ripemd-160 e58650a1d42297d32dd23943b8907d1e9c8aa6ab

81207306 as geometric shapes

Circle

Radius = n
Diameter 162414612
Circumference 510240551.89484
Area 2.0717630315666E+16

Sphere

Radius = n
Volume 2.2432305928523E+24
Surface area 8.2870521262666E+16
Circumference 510240551.89484

Square

Length = n
Perimeter 324829224
Area 6594626547777636
Diagonal 114844473.50898

Cube

Length = n
Surface area 39567759286665816
Volume 5.355318560211E+23
Space diagonal 140655179.93779

Equilateral Triangle

Length = n
Perimeter 243621918
Area 2.8555570594234E+15
Altitude 70327589.968896

Triangular Pyramid

Length = n
Surface area 2.8555570594234E+15
Volume 6.311303448899E+22
Height 38281491.169661