82747981 (number)

82747981 is an odd 8-digits composite number following 82747980 and preceding 82747982. In scientific notation, it is written as 8.2747981 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 82331964 positive integers (up to 82747981) that are relatively prime to 82747981.

Interesting facts

Basic properties

Name

Name eighty-two million seven hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 8.2747981 × 10^7
Engineering notation 8.2747981 × 10^6

Prime Factorization of 82747981

Prime Factorization 199 × 415819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82747981
Product of the distinct prime numbers

The prime factorization of 82747981 is 199 × 415819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82747981)

Multiplication

n×y
n×2 165495962
n×3 248243943
n×4 330991924
n×5 413739905

Division

n÷y
n÷2 41373990.5
n÷3 27582660.333333
n÷3 20686995.25
n÷5 16549596.2

Exponentiation

ny
n2 6847228359576361
n3 5.6659432220089E+23
n4 4.6884536208187E+31
n5 3.8796007113489E+39

Nth Root

y√n
2√n 9096.5917243768
3√n 435.76512368255
4√n 95.376054250408
5√n 38.33111753641

Divisors of 82747981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82747980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82747981 can be divided by 4 positive divisors. The sum of these divisors (counting 82747981) is 1, the average is 0.25.

Base conversion 82747981

Base System Value
2 Binary 100111011101010001001001101
3 Ternary 12202201000220001
4 Quaternary 10323222021031
5 Quinary 132140413411
6 Senary 12113324301
8 Octal 473521115
10 Decimal 82747981
12 Duodecimal 23866691
16 Hexadecimal 4eea24d
20 Vigesimal 15h39j1
36 Base36 1d9kr1

Cryptographic Hash Functions

md5 06be92769b770696b71046f534cf6b75
sha1 093609d7498ae27dd8ab6f41dea52ad6b13a795b
sha256 b2bbb3a548e25881144348dbc59de5f63535a8eae842a50d4f3b9336fad20775
sha512 57b38f53e6a606bd62eda97c4aec728de6c6677f24ba9c38dd1822f898c8a874c92291eac0f40110457e5cde26e3aa12085b7be1f7621c5e21e1e30dc9f4c71f
ripemd-160 82f6011d668f1fd6ca21aff584d5e4af1bbb3ad8

82747981 as geometric shapes

Circle

Radius = n
Diameter 165495962
Circumference 519920898.41798
Area 2.1511202311897E+16

Sphere

Radius = n
Volume 2.3733447469227E+24
Surface area 8.6044809247587E+16
Circumference 519920898.41798

Square

Length = n
Perimeter 330991924
Area 6847228359576361
Diagonal 117023316.98919

Cube

Length = n
Surface area 41083370157458166
Volume 5.6659432220089E+23
Space diagonal 143323707.31574

Equilateral Triangle

Length = n
Perimeter 248243943
Area 2.9649368524532E+15
Altitude 71661853.657872

Triangular Pyramid

Length = n
Surface area 2.9649368524532E+15
Volume 6.6773781235007E+22
Height 39007772.32973