81592979 (number)

81592979 is an odd 8-digits composite number following 81592978 and preceding 81592980. In scientific notation, it is written as 8.1592979 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors. There are 68285952 positive integers (up to 81592979) that are relatively prime to 81592979.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred ninety-two thousand nine hundred seventy-nine

Notation

Scientific notation 8.1592979 × 10^7
Engineering notation 8.1592979 × 10^6

Prime Factorization of 81592979

Prime Factorization 13 × 29 × 17 × 29 × 439

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2813551
Product of the distinct prime numbers

The prime factorization of 81592979 is 13 × 29 × 17 × 29 × 439. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 11, 37, 610, 739, 1129, 2621, 57101, 77190, 349935, 220098, 1869847, 4541380, 70243540, 73520819, 822136589, 62288408, 436932306, 2756944104

Basic calculations (n = 81592979)

Multiplication

n×y
n×2 163185958
n×3 244778937
n×4 326371916
n×5 407964895

Division

n÷y
n÷2 40796489.5
n÷3 27197659.666667
n÷3 20398244.75
n÷5 16318595.8

Exponentiation

ny
n2 6657414222094441
n3 5.4319825881765E+23
n4 4.4321164124545E+31
n5 3.6162958136696E+39

Nth Root

y√n
2√n 9032.8832052673
3√n 433.72813677252
4√n 95.041481497646
5√n 38.223509372488

Divisors of 81592979

1, 13, 17, 29, 221, 377, 439, 493, 841, 5707, 6409, 7463, 10933, 12731, 14297, 97019, 165503, 185861, 216427, 369199, 2813551, 4799587, 6276383, 81592979

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81592978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81592979 can be divided by 24 positive divisors. The sum of these divisors (counting 81592979) is 1, the average is 0.041666666666667.

Base conversion 81592979

Base System Value
2 Binary 100110111010000001010010011
3 Ternary 12200112100112012
4 Quaternary 10313100022103
5 Quinary 131341433404
6 Senary 12032453135
8 Octal 467201223
10 Decimal 81592979
12 Duodecimal 233aa1ab
16 Hexadecimal 4dd0293
20 Vigesimal 159j28j
36 Base36 1cktjn

Cryptographic Hash Functions

md5 674a253e9b0b8a4f0ca12f791a976bd9
sha1 b4d549b408904f7fda39394f8b746846f9fc0f68
sha256 d81d2610a2f7ec9e00a852ec070170e7b6f2039cd43c587249a80a205ec64fdf
sha512 473dfb2fca644fbaf664a3a93046b263084a183a72e74ff4c3698433aa0aa06b214a9d0aedf5f18636608ab4299e0b2b6caa713db7f327e4371192c6e87bbaa7
ripemd-160 d84f359112aa9cdc2323b00b78e0b43f32d1079b

81592979 as geometric shapes

Circle

Radius = n
Diameter 163185958
Circumference 512663806.82181
Area 2.0914883612036E+16

Sphere

Radius = n
Volume 2.2753435457924E+24
Surface area 8.3659534448144E+16
Circumference 512663806.82181

Square

Length = n
Perimeter 326371916
Area 6657414222094441
Diagonal 115389897.49622

Cube

Length = n
Surface area 39944485332566646
Volume 5.4319825881765E+23
Space diagonal 141323185.1689

Equilateral Triangle

Length = n
Perimeter 244778937
Area 2.8827449199248E+15
Altitude 70661592.58445

Triangular Pyramid

Length = n
Surface area 2.8827449199248E+15
Volume 6.4016528723115E+22
Height 38463299.165408