82142821 (number)

82142821 is an odd 8-digits composite number following 82142820 and preceding 82142822. In scientific notation, it is written as 8.2142821 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 78571372 positive integers (up to 82142821) that are relatively prime to 82142821.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred forty-two thousand eight hundred twenty-one

Notation

Scientific notation 8.2142821 × 10^7
Engineering notation 8.2142821 × 10^6

Prime Factorization of 82142821

Prime Factorization 23 × 3571427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82142821
Product of the distinct prime numbers

The prime factorization of 82142821 is 23 × 3571427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82142821)

Multiplication

n×y
n×2 164285642
n×3 246428463
n×4 328571284
n×5 410714105

Division

n÷y
n÷2 41071410.5
n÷3 27380940.333333
n÷3 20535705.25
n÷5 16428564.2

Exponentiation

ny
n2 6747443041838041
n3 5.542540059934E+23
n4 4.5527987602849E+31
n5 3.739797336151E+39

Nth Root

y√n
2√n 9063.2676778301
3√n 434.70023122018
4√n 95.201195779413
5√n 38.27488748688

Divisors of 82142821

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 -82142820
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 82142821 can be divided by 4 positive divisors. The sum of these divisors (counting 82142821) is 1, the average is 0.25.

Base conversion 82142821

Base System Value
2 Binary 100111001010110011001100101
3 Ternary 12201120021202201
4 Quaternary 10321112121211
5 Quinary 132012032241
6 Senary 12052334501
8 Octal 471263145
10 Decimal 82142821
12 Duodecimal 23614431
16 Hexadecimal 4e56665
20 Vigesimal 15d7h11
36 Base36 1cwlt1

Cryptographic Hash Functions

md5 e36ee17842e6513d7bc8a5aa8216876f
sha1 d8bee9aaa3cc5e4c59212f88fec0a69e12bd4ab2
sha256 1a575358c3b1282b42453462a16e41f71583b53006b99f4db2294e66f9a8a15a
sha512 280102b40320a2fab722191ebb129b0750da7727d4185b78fce0bb91fd141aa1bed75d8b3f4a9fa018ced90edeb68b915a00b76058b53f368afb1a12992bdb6b
ripemd-160 3cdaa9cd8a74baffcb211893da1e47014cd2f523

82142821 as geometric shapes

Circle

Radius = n
Diameter 164285642
Circumference 516118565.99748
Area 2.1197717490754E+16

Sphere

Radius = n
Volume 2.3216537512688E+24
Surface area 8.4790869963016E+16
Circumference 516118565.99748

Square

Length = n
Perimeter 328571284
Area 6747443041838041
Diagonal 116167491.50979

Cube

Length = n
Surface area 40484658251028246
Volume 5.542540059934E+23
Space diagonal 142275539.44904

Equilateral Triangle

Length = n
Perimeter 246428463
Area 2.9217285424101E+15
Altitude 71137769.724518

Triangular Pyramid

Length = n
Surface area 2.9217285424101E+15
Volume 6.5319461022957E+22
Height 38722497.169928