82142721 (number)

82142721 is an odd 8-digits composite number following 82142720 and preceding 82142722. In scientific notation, it is written as 8.2142721 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 53425440 positive integers (up to 82142721) that are relatively prime to 82142721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.2142721 × 10^7
Engineering notation 8.2142721 × 10^6

Prime Factorization of 82142721

Prime Factorization 3 × 9 × 41 × 74203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 82142721
Product of the distinct prime numbers

The prime factorization of 82142721 is 3 × 9 × 41 × 74203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 62, 70, 456, 456, 372, 3499, 72514, 24045, 840829, 742825, 338287, 4858779, 51595361, 18328879, 742977397, 587432949, 4663468478, 8947327411

Basic calculations (n = 82142721)

Multiplication

n×y
n×2 164285442
n×3 246428163
n×4 328570884
n×5 410713605

Division

n÷y
n÷2 41071360.5
n÷3 27380907
n÷3 20535680.25
n÷5 16428544.2

Exponentiation

ny
n2 6747426613283841
n3 5.5425198176295E+23
n4 4.5527765901651E+31
n5 3.7397745722126E+39

Nth Root

y√n
2√n 9063.2621610544
3√n 434.70005481993
4√n 95.20116680511
5√n 38.274878167768

Divisors of 82142721

1, 3, 9, 27, 41, 123, 369, 1107, 74203, 222609, 667827, 2003481, 3042323, 9126969, 27380907, 82142721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82142720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82142721 can be divided by 16 positive divisors. The sum of these divisors (counting 82142721) is 1, the average is 0.0625.

Base conversion 82142721

Base System Value
2 Binary 100111001010110011000000001
3 Ternary 12201120021122000
4 Quaternary 10321112120001
5 Quinary 132012031341
6 Senary 12052334213
8 Octal 471263001
10 Decimal 82142721
12 Duodecimal 23614369
16 Hexadecimal 4e56601
20 Vigesimal 15d7gg1
36 Base36 1cwlq9

Cryptographic Hash Functions

md5 d75c65fa96512e7449647e0eed728994
sha1 89096139baf684daac5d333757baf0ec4a85dd09
sha256 ee05b820099142f0d649149991a5e0e2bb22b0862e17793a89a9ade7c7966039
sha512 f7c556df21230b11e6ebfa363b2d0a0dd3394b908eb6090021db3c60f78b83ff347ee6022317f9d509d1f3f654864846af0180a3d5f47e2719aea9ffc5863914
ripemd-160 9bd50ded74c1d71bf13d9f2e90ed1f1521b5a00c

82142721 as geometric shapes

Circle

Radius = n
Diameter 164285442
Circumference 516117937.67895
Area 2.1197665878929E+16

Sphere

Radius = n
Volume 2.3216452721921E+24
Surface area 8.4790663515715E+16
Circumference 516117937.67895

Square

Length = n
Perimeter 328570884
Area 6747426613283841
Diagonal 116167350.08843

Cube

Length = n
Surface area 40484559679703046
Volume 5.5425198176295E+23
Space diagonal 142275366.24395

Equilateral Triangle

Length = n
Perimeter 246428163
Area 2.9217214286375E+15
Altitude 71137683.121977

Triangular Pyramid

Length = n
Surface area 2.9217214286375E+15
Volume 6.5319222465111E+22
Height 38722450.029476