82171921 (number)

82171921 is an odd 8-digits composite number following 82171920 and preceding 82171922. In scientific notation, it is written as 8.2171921 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 74088000 positive integers (up to 82171921) that are relatively prime to 82171921.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred seventy-one thousand nine hundred twenty-one

Notation

Scientific notation 8.2171921 × 10^7
Engineering notation 8.2171921 × 10^6

Prime Factorization of 82171921

Prime Factorization 13 × 71 × 127 × 701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 82171921
Product of the distinct prime numbers

The prime factorization of 82171921 is 13 × 71 × 127 × 701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82171921)

Multiplication

n×y
n×2 164343842
n×3 246515763
n×4 328687684
n×5 410859605

Division

n÷y
n÷2 41085960.5
n÷3 27390640.333333
n÷3 20542980.25
n÷5 16434384.2

Exponentiation

ny
n2 6752224600830241
n3 5.5484326647368E+23
n4 4.5592537060057E+31
n5 3.7464263534886E+39

Nth Root

y√n
2√n 9064.872916925
3√n 434.75155760956
4√n 95.209626177845
5√n 38.277598962857

Divisors of 82171921

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 -82171920
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 82171921 can be divided by 16 positive divisors. The sum of these divisors (counting 82171921) is 1, the average is 0.0625.

Base conversion 82171921

Base System Value
2 Binary 100111001011101100000010001
3 Ternary 12201121202200111
4 Quaternary 10321131200101
5 Quinary 132014000141
6 Senary 12053121321
8 Octal 471354021
10 Decimal 82171921
12 Duodecimal 23629241
16 Hexadecimal 4e5d811
20 Vigesimal 15db9g1
36 Base36 1cx89d

Cryptographic Hash Functions

md5 3971aa7ab55c6fd4dd790a3b744632dd
sha1 edaa4f95b32626b8b24676b2a5d4ea15d6e922a5
sha256 3e8c4b4101aecd621c98b74fd1a39260b177cee7f058eea933e87afdba346011
sha512 3a138c2bbab225ec7ccdb6566febd32793f72387e913514b336b5e5c20693a670ce1d6f26b2f8de39be18962e47953c0b09a43eb1f6a840291f45afb62462fc7
ripemd-160 b6d432dc21b2e721e046e2013ed4b457d56103a9

82171921 as geometric shapes

Circle

Radius = n
Diameter 164343842
Circumference 516301406.68992
Area 2.1212739201357E+16

Sphere

Radius = n
Volume 2.3241220397966E+24
Surface area 8.4850956805426E+16
Circumference 516301406.68992

Square

Length = n
Perimeter 328687684
Area 6752224600830241
Diagonal 116208645.12445

Cube

Length = n
Surface area 40513347604981446
Volume 5.5484326647368E+23
Space diagonal 142325942.12754

Equilateral Triangle

Length = n
Perimeter 246515763
Area 2.9237990181886E+15
Altitude 71162971.063768

Triangular Pyramid

Length = n
Surface area 2.9237990181886E+15
Volume 6.5388906036539E+22
Height 38736215.041484