82991808 (number)

82991808 is an even 8-digits composite number following 82991807 and preceding 82991809. In scientific notation, it is written as 8.2991808 × 10^7. The sum of its digits is 45. It has a total of 10 prime factors and 84 positive divisors. There are 27449856 positive integers (up to 82991808) that are relatively prime to 82991808.

Interesting facts

Basic properties

Name

Name eighty-two million nine hundred ninety-one thousand eight hundred eight

Notation

Scientific notation 8.2991808 × 10^7
Engineering notation 8.2991808 × 10^6

Prime Factorization of 82991808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 967 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 864498
Product of the distinct prime numbers

The prime factorization of 82991808 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 967 × 149. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82991808)

Multiplication

n×y
n×2 165983616
n×3 248975424
n×4 331967232
n×5 414959040

Division

n÷y
n÷2 41495904
n÷3 27663936
n÷3 20747952
n÷5 16598361.6

Exponentiation

ny
n2 6887640195108864
n3 5.7161771264556E+23
n4 4.7439587457279E+31
n5 3.9370971338537E+39

Nth Root

y√n
2√n 9109.9839736412
3√n 436.19271563599
4√n 95.446236037055
5√n 38.353680419219

Divisors of 82991808

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82991807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82991808 can be divided by 84 positive divisors. The sum of these divisors (counting 82991808) is 1, the average is 0.011904761904762.

Base conversion 82991808

Base System Value
2 Binary 100111100100101101011000000
3 Ternary 12210011102100200
4 Quaternary 10330211223000
5 Quinary 132221214213
6 Senary 12122445200
8 Octal 474455300
10 Decimal 82991808
12 Duodecimal 23963800
16 Hexadecimal 4f25ac0
20 Vigesimal 15idja8
36 Base36 1desw0

Cryptographic Hash Functions

md5 2b3dd99a6c95fab85e4d2b994dcc7976
sha1 a8a663b03979d4e3812d9025c356124a100c1718
sha256 b1b37143badd599daffd2a9f2ffc536e84f6cb6d85d3bb00d2aa0a09f4674391
sha512 565a6ddce4cf816b370b45ce8b5251841123e1d5420f0fc3d17be06d3ef396764cc9118ddb67328ef2dd7140b0ff034482dbca404b2fea1ea8d761f0fb10650b
ripemd-160 0a952e9f68223cc1a65feeb9cc95223328f6f424

82991808 as geometric shapes

Circle

Radius = n
Diameter 165983616
Circumference 521452908.64187
Area 2.1638159837524E+16

Sphere

Radius = n
Volume 2.3943866756121E+24
Surface area 8.6552639350095E+16
Circumference 521452908.64187

Square

Length = n
Perimeter 331967232
Area 6887640195108864
Diagonal 117368140.43946

Cube

Length = n
Surface area 41325841170653184
Volume 5.7161771264556E+23
Space diagonal 143746028.068

Equilateral Triangle

Length = n
Perimeter 248975424
Area 2.9824356905455E+15
Altitude 71873014.034001

Triangular Pyramid

Length = n
Surface area 2.9824356905455E+15
Volume 6.7365793476336E+22
Height 39122713.479821