82991805 (number)

82991805 is an odd 8-digits composite number following 82991804 and preceding 82991806. In scientific notation, it is written as 8.2991805 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 39536640 positive integers (up to 82991805) that are relatively prime to 82991805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.2991805 × 10^7
Engineering notation 8.2991805 × 10^6

Prime Factorization of 82991805

Prime Factorization 5 × 3 × 403 × 13729

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 82991805
Product of the distinct prime numbers

The prime factorization of 82991805 is 5 × 3 × 403 × 13729. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 48, 23, 367, 724, 63, 4850, 27149, 41685, 380864, 790825, 4036486, 965962, 5897764, 93850330, 990138473, 456500881, 2990345100, 8127632549

Basic calculations (n = 82991805)

Multiplication

n×y
n×2 165983610
n×3 248975415
n×4 331967220
n×5 414959025

Division

n÷y
n÷2 41495902.5
n÷3 27663935
n÷3 20747951.25
n÷5 16598361

Exponentiation

ny
n2 6887639697158025
n3 5.716176506568E+23
n4 4.7439580597867E+31
n5 3.93709642226E+39

Nth Root

y√n
2√n 9109.9838089867
3√n 436.19271038014
4√n 95.446235174504
5√n 38.353680141936

Divisors of 82991805

1, 3, 5, 15, 403, 1209, 2015, 6045, 13729, 41187, 68645, 205935, 5532787, 16598361, 27663935, 82991805

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 -82991804
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 82991805 can be divided by 16 positive divisors. The sum of these divisors (counting 82991805) is 1, the average is 0.0625.

Base conversion 82991805

Base System Value
2 Binary 100111100100101101010111101
3 Ternary 12210011102100120
4 Quaternary 10330211222331
5 Quinary 132221214210
6 Senary 12122445153
8 Octal 474455275
10 Decimal 82991805
12 Duodecimal 239637b9
16 Hexadecimal 4f25abd
20 Vigesimal 15idja5
36 Base36 1desvx

Cryptographic Hash Functions

md5 31f4a7a5028faeeaa4d5dc1cd3cd9b8a
sha1 8d8d6ccb26d26271073744e30b93e0ee85129a40
sha256 1e2f888839bb0585e91030706dd99ffd87caf7e536933b14cd80fb92d163f6a9
sha512 443e72e02f7dd389c23dcafebbebf8b82ad32453e8ee4af89d0e30521696c132e62d873146f43821a96ce07e17e954536df88b54d2f61e320f6d3d634b6d4119
ripemd-160 348672d70ba439d683caf99282d0b4f37f8ca63d

82991805 as geometric shapes

Circle

Radius = n
Diameter 165983610
Circumference 521452889.79231
Area 2.1638158273165E+16

Sphere

Radius = n
Volume 2.3943864159542E+24
Surface area 8.655263309266E+16
Circumference 521452889.79231

Square

Length = n
Perimeter 331967220
Area 6887639697158025
Diagonal 117368136.19682

Cube

Length = n
Surface area 41325838182948150
Volume 5.716176506568E+23
Space diagonal 143746022.87185

Equilateral Triangle

Length = n
Perimeter 248975415
Area 2.9824354749265E+15
Altitude 71873011.435924

Triangular Pyramid

Length = n
Surface area 2.9824354749265E+15
Volume 6.7365786170891E+22
Height 39122712.065608