82143721 (number)

82143721 is an odd 8-digits composite number following 82143720 and preceding 82143722. In scientific notation, it is written as 8.2143721 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 74676100 positive integers (up to 82143721) that are relatively prime to 82143721.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation 8.2143721 × 10^7
Engineering notation 8.2143721 × 10^6

Prime Factorization of 82143721

Prime Factorization 11 × 7467611

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82143721
Product of the distinct prime numbers

The prime factorization of 82143721 is 11 × 7467611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82143721)

Multiplication

n×y
n×2 164287442
n×3 246431163
n×4 328574884
n×5 410718605

Division

n÷y
n÷2 41071860.5
n÷3 27381240.333333
n÷3 20535930.25
n÷5 16428744.2

Exponentiation

ny
n2 6747590899725841
n3 5.5427222428922E+23
n4 4.5529982950063E+31
n5 3.7400022165847E+39

Nth Root

y√n
2√n 9063.3173286606
3√n 434.70181881592
4√n 95.201456546949
5√n 38.274971358476

Divisors of 82143721

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 -82143720
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 82143721 can be divided by 4 positive divisors. The sum of these divisors (counting 82143721) is 1, the average is 0.25.

Base conversion 82143721

Base System Value
2 Binary 100111001010110100111101001
3 Ternary 12201120100000001
4 Quaternary 10321112213221
5 Quinary 132012044341
6 Senary 12052343001
8 Octal 471264751
10 Decimal 82143721
12 Duodecimal 23614a61
16 Hexadecimal 4e569e9
20 Vigesimal 15d7j61
36 Base36 1cwmi1

Cryptographic Hash Functions

md5 051a6bd8a94abe065443b9c6700c6bef
sha1 2dcc0e49728718bb6b8719a8f5095e5dfb9a2d92
sha256 99e0e5af2650dda5e5c78ec5ffaa4c67245d6de62a7217b1a1702d8eefb3d3bb
sha512 1fdc1ccafdfeb5bb279d34538035d18b16b9d145f7dea75ea0e8b46aa6958460ce5fc821b9ef5efab0453b3aeb1c51085e9fbe576a55881d47a44843347a65a8
ripemd-160 f96929f96c7849c668a589b6314756215e73d39a

82143721 as geometric shapes

Circle

Radius = n
Diameter 164287442
Circumference 516124220.86426
Area 2.1198182000008E+16

Sphere

Radius = n
Volume 2.3217300638878E+24
Surface area 8.4792728000032E+16
Circumference 516124220.86426

Square

Length = n
Perimeter 328574884
Area 6747590899725841
Diagonal 116168764.30199

Cube

Length = n
Surface area 40485545398355046
Volume 5.5427222428922E+23
Space diagonal 142277098.29476

Equilateral Triangle

Length = n
Perimeter 246431163
Area 2.9217925667536E+15
Altitude 71138549.147381

Triangular Pyramid

Length = n
Surface area 2.9217925667536E+15
Volume 6.532160806971E+22
Height 38722921.433997