81479080 (number)

81479080 is an even 8-digits composite number following 81479079 and preceding 81479081. In scientific notation, it is written as 8.1479080 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors. There are 32591616 positive integers (up to 81479080) that are relatively prime to 81479080.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy-nine thousand eighty

Notation

Scientific notation 8.1479080 × 10^7
Engineering notation 8.1479080 × 10^6

Prime Factorization of 81479080

Prime Factorization 2 × 2 × 2 × 5 × 2036977

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20369770
Product of the distinct prime numbers

The prime factorization of 81479080 is 2 × 2 × 2 × 5 × 2036977. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 2, 96, 891, 579, 7167, 4680, 27773, 2994, 657680, 440822, 3547891, 9999974, 48544285, 85029861, 892574097, 202370815, 9931984989, 3109745149

Basic calculations (n = 81479080)

Multiplication

n×y
n×2 162958160
n×3 244437240
n×4 325916320
n×5 407395400

Division

n÷y
n÷2 40739540
n÷3 27159693.333333
n÷3 20369770
n÷5 16295816

Exponentiation

ny
n2 6638840477646400
n3 5.4092661438539E+23
n4 4.4074202887636E+31
n5 3.5911255030179E+39

Nth Root

y√n
2√n 9026.576316633
3√n 433.5262231334
4√n 95.008296041099
5√n 38.212831854534

Divisors of 81479080

1, 2, 4, 5, 8, 10, 20, 40, 2036977, 4073954, 8147908, 10184885, 16295816, 20369770, 40739540, 81479080

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 -81479079
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 81479080 can be divided by 16 positive divisors. The sum of these divisors (counting 81479080) is 1, the average is 0.0625.

Base conversion 81479080

Base System Value
2 Binary 100110110110100010110101000
3 Ternary 12200022120021201
4 Quaternary 10312310112220
5 Quinary 131324312310
6 Senary 12030213544
8 Octal 466642650
10 Decimal 81479080
12 Duodecimal 233542b4
16 Hexadecimal 4db45a8
20 Vigesimal 1594he0
36 Base36 1cidns

Cryptographic Hash Functions

md5 bfa3240d395d282127d694ea9a7a1d30
sha1 fee907beabe8a4d6778525c46bbfb3c3ab5db4b5
sha256 f2a2d7770051ed87c1ae4805ffb4e5d389764d6e669fd80beb8d942d8a4bb8de
sha512 b03f14d326367242813ac2cbae258b6d17c403fa7af8ea012c14e5f28aeb44d2aa3af889de530dd418b8046649f0798ca489a07f1994fc7b128758ea1c6520d3
ripemd-160 455f73784f279ab93d98ec409f0e63ad055b1d9a

81479080 as geometric shapes

Circle

Radius = n
Diameter 162958160
Circumference 511948158.29851
Area 2.0856532472928E+16

Sphere

Radius = n
Volume 2.2658281038458E+24
Surface area 8.3426129891714E+16
Circumference 511948158.29851

Square

Length = n
Perimeter 325916320
Area 6638840477646400
Diagonal 115228819.98568

Cube

Length = n
Surface area 39833042865878400
Volume 5.4092661438539E+23
Space diagonal 141125906.31397

Equilateral Triangle

Length = n
Perimeter 244437240
Area 2.8747022526571E+15
Altitude 70562953.156985

Triangular Pyramid

Length = n
Surface area 2.8747022526571E+15
Volume 6.3748812859365E+22
Height 38409606.661894