82661987 (number)

82661987 is an odd 8-digits composite number following 82661986 and preceding 82661988. In scientific notation, it is written as 8.2661987 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 81428160 positive integers (up to 82661987) that are relatively prime to 82661987.

Interesting facts

Basic properties

Name

Name eighty-two million six hundred sixty-one thousand nine hundred eighty-seven

Notation

Scientific notation 8.2661987 × 10^7
Engineering notation 8.2661987 × 10^6

Prime Factorization of 82661987

Prime Factorization 67 × 1233761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82661987
Product of the distinct prime numbers

The prime factorization of 82661987 is 67 × 1233761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82661987)

Multiplication

n×y
n×2 165323974
n×3 247985961
n×4 330647948
n×5 413309935

Division

n÷y
n÷2 41330993.5
n÷3 27553995.666667
n÷3 20665496.75
n÷5 16532397.4

Exponentiation

ny
n2 6833004094788169
n3 5.6482969565433E+23
n4 4.6689944959392E+31
n5 3.859483623264E+39

Nth Root

y√n
2√n 9091.8637803258
3√n 435.61411828781
4√n 95.351265226665
5√n 38.32314727017

Divisors of 82661987

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 -82661986
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 82661987 can be divided by 4 positive divisors. The sum of these divisors (counting 82661987) is 1, the average is 0.25.

Base conversion 82661987

Base System Value
2 Binary 100111011010101001001100011
3 Ternary 12202112122221002
4 Quaternary 10323111021203
5 Quinary 132130140422
6 Senary 12111422215
8 Octal 473251143
10 Decimal 82661987
12 Duodecimal 2382496b
16 Hexadecimal 4ed5263
20 Vigesimal 15gcej7
36 Base36 1d7qeb

Cryptographic Hash Functions

md5 560d64e49916ab279cad9300eba6cf65
sha1 31e690642d16ad29799e377cf0edc7df22f42619
sha256 cc74418445ef0e6127a0e39f5520c9ccc4e87a4bce5dec101ac8ea0e11154798
sha512 2751477b2aff63024989a79bccd8d6bb6f95263324c46ab4421c3bc8915ebd7c71450a458fbba31886adbe833db98d96cf1009f1410d4e3020d252bdd0cd100c
ripemd-160 505a94cf2919eb4a5033c329b185e4f436466a02

82661987 as geometric shapes

Circle

Radius = n
Diameter 165323974
Circumference 519380582.18067
Area 2.1466515466135E+16

Sphere

Radius = n
Volume 2.3659530965293E+24
Surface area 8.5866061864542E+16
Circumference 519380582.18067

Square

Length = n
Perimeter 330647948
Area 6833004094788169
Diagonal 116901703.10811

Cube

Length = n
Surface area 40998024568729014
Volume 5.6482969565433E+23
Space diagonal 143174761.3386

Equilateral Triangle

Length = n
Perimeter 247985961
Area 2.9587775651248E+15
Altitude 71587380.669299

Triangular Pyramid

Length = n
Surface area 2.9587775651248E+15
Volume 6.6565818002118E+22
Height 38967234.369369