82661891 (number)

82661891 is an odd 8-digits composite number following 82661890 and preceding 82661892. In scientific notation, it is written as 8.2661891 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 75009312 positive integers (up to 82661891) that are relatively prime to 82661891.

Interesting facts

Basic properties

Name

Name eighty-two million six hundred sixty-one thousand eight hundred ninety-one

Notation

Scientific notation 8.2661891 × 10^7
Engineering notation 8.2661891 × 10^6

Prime Factorization of 82661891

Prime Factorization 13 × 59 × 107773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82661891
Product of the distinct prime numbers

The prime factorization of 82661891 is 13 × 59 × 107773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661891)

Multiplication

n×y
n×2 165323782
n×3 247985673
n×4 330647564
n×5 413309455

Division

n÷y
n÷2 41330945.5
n÷3 27553963.666667
n÷3 20665472.75
n÷5 16532378.2

Exponentiation

ny
n2 6832988223695881
n3 5.6482772775143E+23
n4 4.6689728065167E+31
n5 3.8594612121424E+39

Nth Root

y√n
2√n 9091.8585008787
3√n 435.61394965338
4√n 95.35123754246
5√n 38.323138368802

Divisors of 82661891

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 -82661890
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 82661891 can be divided by 8 positive divisors. The sum of these divisors (counting 82661891) is 1, the average is 0.125.

Base conversion 82661891

Base System Value
2 Binary 100111011010101001000000011
3 Ternary 12202112122210112
4 Quaternary 10323111020003
5 Quinary 132130140031
6 Senary 12111421535
8 Octal 473251003
10 Decimal 82661891
12 Duodecimal 238248ab
16 Hexadecimal 4ed5203
20 Vigesimal 15gceeb
36 Base36 1d7qbn

Cryptographic Hash Functions

md5 79f47306662a4da2f968704a6b3d0de6
sha1 fcbac88087551dda4425638db8e77405d4219cad
sha256 54025443bb36d2950c00523cce892eb4b2bc847284ce46a9174a21a3733c00aa
sha512 dca147b6a4b131c5bbe61ee0a026d9a0b3893eea83096ec4ccdb6d402183f40a4448fcf4daebed737609b7bcf5577b2be81c745f93ed6f9122db3b4bcb92968b
ripemd-160 1e93bfab43c1523b7e8db78878915171641383f8

82661891 as geometric shapes

Circle

Radius = n
Diameter 165323782
Circumference 519379978.99488
Area 2.1466465605629E+16

Sphere

Radius = n
Volume 2.365944853397E+24
Surface area 8.5865862422514E+16
Circumference 519379978.99488

Square

Length = n
Perimeter 330647564
Area 6832988223695881
Diagonal 116901567.34361

Cube

Length = n
Surface area 40997929342175286
Volume 5.6482772775143E+23
Space diagonal 143174595.06172

Equilateral Triangle

Length = n
Perimeter 247985673
Area 2.9587706927403E+15
Altitude 71587297.53086

Triangular Pyramid

Length = n
Surface area 2.9587706927403E+15
Volume 6.6565586082538E+22
Height 38967189.114535