81479079 (number)

81479079 is an odd 8-digits composite number following 81479078 and preceding 81479080. In scientific notation, it is written as 8.1479079 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 46475520 positive integers (up to 81479079) that are relatively prime to 81479079.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1479079 × 10^7
Engineering notation 8.1479079 × 10^6

Prime Factorization of 81479079

Prime Factorization 99 × 17 × 48413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81479079
Product of the distinct prime numbers

The prime factorization of 81479079 is 99 × 17 × 48413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81479079)

Multiplication

n×y
n×2 162958158
n×3 244437237
n×4 325916316
n×5 407395395

Division

n÷y
n÷2 40739539.5
n÷3 27159693
n÷3 20369769.75
n÷5 16295815.8

Exponentiation

ny
n2 6638840314688241
n3 5.4092659446887E+23
n4 4.407420072393E+31
n5 3.5911252826469E+39

Nth Root

y√n
2√n 9026.576261241
3√n 433.52622135983
4√n 95.008295749587
5√n 38.212831760737

Divisors of 81479079

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 -81479078
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 81479079 can be divided by 8 positive divisors. The sum of these divisors (counting 81479079) is 1, the average is 0.125.

Base conversion 81479079

Base System Value
2 Binary 100110110110100010110100111
3 Ternary 12200022120021200
4 Quaternary 10312310112213
5 Quinary 131324312304
6 Senary 12030213543
8 Octal 466642647
10 Decimal 81479079
12 Duodecimal 233542b3
16 Hexadecimal 4db45a7
20 Vigesimal 1594hdj
36 Base36 1cidnr

Cryptographic Hash Functions

md5 91e7a9353eeb7f39ac948d7b90095756
sha1 401d01e2e072d502f7e2270058ed1626a7ae492f
sha256 78ec98004e2a65e4a11889b7f880b7ab3a0c52414f0c6da20c30eb4035cbf200
sha512 bac919465e426c14bc0ecc9c84f8530eefc34704d24b0246ffc7daee0ed5a245c3b303fc325e89ce2fb735930ba7ec997c2d37c6b31e6ecf1e85e602e1f4e6d9
ripemd-160 2862b09680aa324f1c860285e5c640791a6be73e

81479079 as geometric shapes

Circle

Radius = n
Diameter 162958158
Circumference 511948152.01532
Area 2.085653196098E+16

Sphere

Radius = n
Volume 2.2658280204197E+24
Surface area 8.3426127843921E+16
Circumference 511948152.01532

Square

Length = n
Perimeter 325916316
Area 6638840314688241
Diagonal 115228818.57147

Cube

Length = n
Surface area 39833041888129446
Volume 5.4092659446887E+23
Space diagonal 141125904.58192

Equilateral Triangle

Length = n
Perimeter 244437237
Area 2.8747021820941E+15
Altitude 70562952.290959

Triangular Pyramid

Length = n
Surface area 2.8747021820941E+15
Volume 6.374881051218E+22
Height 38409606.19049