20908643 (number)

20908643 is an odd 8-digits composite number following 20908642 and preceding 20908644. In scientific notation, it is written as 2.0908643 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 17921652 positive integers (up to 20908643) that are relatively prime to 20908643.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eight thousand six hundred forty-three

Notation

Scientific notation 2.0908643 × 10^7
Engineering notation 2.0908643 × 10^6

Prime Factorization of 20908643

Prime Factorization 7 × 7 × 426707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2986949
Product of the distinct prime numbers

The prime factorization of 20908643 is 7 × 7 × 426707. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20908643)

Multiplication

n×y
n×2 41817286
n×3 62725929
n×4 83634572
n×5 104543215

Division

n÷y
n÷2 10454321.5
n÷3 6969547.6666667
n÷3 5227160.75
n÷5 4181728.6

Exponentiation

ny
n2 437171352101449
n3 9.1406597309165E+21
n4 1.9111879109821E+29
n5 3.996034573664E+36

Nth Root

y√n
2√n 4572.5969645268
3√n 275.49176141889
4√n 67.620980209746
5√n 29.11153928046

Divisors of 20908643

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20908642
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20908643 can be divided by 6 positive divisors. The sum of these divisors (counting 20908643) is 1, the average is 0.16666666666667.

Base conversion 20908643

Base System Value
2 Binary 1001111110000101001100011
3 Ternary 1110100021021012
4 Quaternary 1033300221203
5 Quinary 20323034033
6 Senary 2024051135
8 Octal 117605143
10 Decimal 20908643
12 Duodecimal 7003aab
16 Hexadecimal 13f0a63
20 Vigesimal 6adbc3
36 Base36 cg57n

Cryptographic Hash Functions

md5 a59e74b1f9d4dd49bcedbf00b92fa699
sha1 3ac71bcca13e5e5b67e51b8c9babd4e9e2f9f425
sha256 2f0cb2098e256a4a9c0f61efff261ad4ebf96c07535d3daf87c0bb125e670bea
sha512 0b3c50468301a7619a4d86c843a1276d6ef7d9e5b0095405b7e889eeea142aba71b7eb1265e2635fa3a4f6ded7f335ea115b665e8e694f33adf2fec9ad4aca4d
ripemd-160 178ffb44d09d4b7b6808da8b5faa69b166a45665

20908643 as geometric shapes

Circle

Radius = n
Diameter 41817286
Circumference 131372878.49066
Area 1.3734143081218E+15

Sphere

Radius = n
Volume 3.8288305946148E+22
Surface area 5.4936572324873E+15
Circumference 131372878.49066

Square

Length = n
Perimeter 83634572
Area 437171352101449
Diagonal 29569286.501417

Cube

Length = n
Surface area 2623028112608694
Volume 9.1406597309165E+21
Space diagonal 36214831.993319

Equilateral Triangle

Length = n
Perimeter 62725929
Area 1.8930074836332E+14
Altitude 18107415.99666

Triangular Pyramid

Length = n
Surface area 1.8930074836332E+14
Volume 1.0772370800416E+21
Height 9856428.8338058