82721908 (number)

82721908 is an even 8-digits composite number following 82721907 and preceding 82721909. In scientific notation, it is written as 8.2721908 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 41332032 positive integers (up to 82721908) that are relatively prime to 82721908.

Interesting facts

Basic properties

Name

Name eighty-two million seven hundred twenty-one thousand nine hundred eight

Notation

Scientific notation 8.2721908 × 10^7
Engineering notation 8.2721908 × 10^6

Prime Factorization of 82721908

Prime Factorization 2 × 2 × 1609 × 12853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 41360954
Product of the distinct prime numbers

The prime factorization of 82721908 is 2 × 2 × 1609 × 12853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 55, 16, 280, 732, 8216, 8937, 13953, 15774, 537685, 293963, 8857738, 7063947, 24021003, 80276721, 665722006, 822809951, 3241016849, 3988808092

Basic calculations (n = 82721908)

Multiplication

n×y
n×2 165443816
n×3 248165724
n×4 330887632
n×5 413609540

Division

n÷y
n÷2 41360954
n÷3 27573969.333333
n÷3 20680477
n÷5 16544381.6

Exponentiation

ny
n2 6842914063160464
n3 5.6605890758467E+23
n4 4.6825472875799E+31
n5 3.8734924592884E+39

Nth Root

y√n
2√n 9095.1584922969
3√n 435.7193505714
4√n 95.368540369961
5√n 38.328701687225

Divisors of 82721908

1, 2, 4, 1609, 3218, 6436, 12853, 25706, 51412, 20680477, 41360954, 82721908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -82721907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82721908 can be divided by 12 positive divisors. The sum of these divisors (counting 82721908) is 1, the average is 0.083333333333333.

Base conversion 82721908

Base System Value
2 Binary 100111011100011110001110100
3 Ternary 12202122201010101
4 Quaternary 10323203301310
5 Quinary 132134100113
6 Senary 12113003444
8 Octal 473436164
10 Decimal 82721908
12 Duodecimal 23853584
16 Hexadecimal 4ee3c74
20 Vigesimal 15h04f8
36 Base36 1d90ms

Cryptographic Hash Functions

md5 e52982cf9ee098ba697fd8da75657a99
sha1 3bc270cedde5fc1d1a8504ac2224f92778308405
sha256 49be122d1e48428238292f2afa27ff147a4456f86cd413dd2a4cd7e6465885e4
sha512 bee12028c1905fdcdced3f33c224d5b46e59cdbf2e4fe13495950cfe14d90869d9181a0be7aa33d337d373b33e6cfacce0f55ea2675484c26c79b7e74020f97d
ripemd-160 3a6df1ac65d1859b80711601933b313bb170da5d

82721908 as geometric shapes

Circle

Radius = n
Diameter 165443816
Circumference 519757076.92746
Area 2.1497648549971E+16

Sphere

Radius = n
Volume 2.3711020074227E+24
Surface area 8.5990594199885E+16
Circumference 519757076.92746

Square

Length = n
Perimeter 330887632
Area 6842914063160464
Diagonal 116986444.19898

Cube

Length = n
Surface area 41057484378962784
Volume 5.6605890758467E+23
Space diagonal 143278547.55504

Equilateral Triangle

Length = n
Perimeter 248165724
Area 2.9630687073054E+15
Altitude 71639273.777519

Triangular Pyramid

Length = n
Surface area 2.9630687073054E+15
Volume 6.6710682017361E+22
Height 38995481.39966