20171640 (number)

20171640 is an even 8-digits composite number following 20171639 and preceding 20171641. In scientific notation, it is written as 2.0171640 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 64 positive divisors. There are 5325440 positive integers (up to 20171640) that are relatively prime to 20171640.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-one thousand six hundred forty

Notation

Scientific notation 2.0171640 × 10^7
Engineering notation 2.0171640 × 10^6

Prime Factorization of 20171640

Prime Factorization 2 × 2 × 2 × 5 × 3 × 107 × 1571

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5042910
Product of the distinct prime numbers

The prime factorization of 20171640 is 2 × 2 × 2 × 5 × 3 × 107 × 1571. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20171640)

Multiplication

n×y
n×2 40343280
n×3 60514920
n×4 80686560
n×5 100858200

Division

n÷y
n÷2 10085820
n÷3 6723880
n÷3 5042910
n÷5 4034328

Exponentiation

ny
n2 406895060289600
n3 8.2077406739401E+21
n4 1.6556359008808E+29
n5 3.3396891363643E+36

Nth Root

y√n
2√n 4491.2848941032
3√n 272.21605526931
4√n 67.017049279293
5√n 28.903353981274

Divisors of 20171640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20171639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20171640 can be divided by 64 positive divisors. The sum of these divisors (counting 20171640) is 1, the average is 0.015625.

Base conversion 20171640

Base System Value
2 Binary 1001100111100101101111000
3 Ternary 1101221211021210
4 Quaternary 1030330231320
5 Quinary 20130443030
6 Senary 2000203120
8 Octal 114745570
10 Decimal 20171640
12 Duodecimal 69094a0
16 Hexadecimal 133cb78
20 Vigesimal 661920
36 Base36 c0cjc

Cryptographic Hash Functions

md5 a28e2a102a52059e37f022f3bfa213bb
sha1 9a20c3459f2fc91926b13fa5334f6f7a7575b5d8
sha256 aed9fca49e3bf85e592d5d31d197672b5f2d750f6c1df97e90f37bebe6d8d7df
sha512 b4b322ad584ce47e1dc8e356d62b98e786373b95395c383d5df7e35294ce400083d3fa89064a7a23e26ca427a4efcc1277666504716a4e1621c1c7de68537241
ripemd-160 515dfd4d89d183f12402358ab7769358578ac846

20171640 as geometric shapes

Circle

Radius = n
Diameter 40343280
Circumference 126742152.06972
Area 1.2782985321878E+15

Sphere

Radius = n
Volume 3.4380503738427E+22
Surface area 5.1131941287511E+15
Circumference 126742152.06972

Square

Length = n
Perimeter 80686560
Area 406895060289600
Diagonal 28527006.863308

Cube

Length = n
Surface area 2441370361737600
Volume 8.2077406739401E+21
Space diagonal 34938305.351989

Equilateral Triangle

Length = n
Perimeter 60514920
Area 1.761907294426E+14
Altitude 17469152.675994

Triangular Pyramid

Length = n
Surface area 1.761907294426E+14
Volume 9.6729151479395E+20
Height 9509002.2877692