20808213 (number)

20808213 is an odd 8-digits composite number following 20808212 and preceding 20808214. In scientific notation, it is written as 2.0808213 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13794288 positive integers (up to 20808213) that are relatively prime to 20808213.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand two hundred thirteen

Notation

Scientific notation 2.0808213 × 10^7
Engineering notation 2.0808213 × 10^6

Prime Factorization of 20808213

Prime Factorization 3 × 179 × 38749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20808213
Product of the distinct prime numbers

The prime factorization of 20808213 is 3 × 179 × 38749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20808213)

Multiplication

n×y
n×2 41616426
n×3 62424639
n×4 83232852
n×5 104041065

Division

n÷y
n÷2 10404106.5
n÷3 6936071
n÷3 5202053.25
n÷5 4161642.6

Exponentiation

ny
n2 432981728253369
n3 9.0095760266042E+21
n4 1.8747317700127E+29
n5 3.9009817988292E+36

Nth Root

y√n
2√n 4561.6020212202
3√n 275.0499655767
4√n 67.539632966283
5√n 29.083519237116

Divisors of 20808213

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808212
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808213 can be divided by 8 positive divisors. The sum of these divisors (counting 20808213) is 1, the average is 0.125.

Base conversion 20808213

Base System Value
2 Binary 1001111011000001000010101
3 Ternary 1110011011111120
4 Quaternary 1033120020111
5 Quinary 20311330323
6 Senary 2021554153
8 Octal 117301025
10 Decimal 20808213
12 Duodecimal 6b75959
16 Hexadecimal 13d8215
20 Vigesimal 6a10ad
36 Base36 cdzpx

Cryptographic Hash Functions

md5 327148590190865c8e6f8ff7e38f6d2c
sha1 7d9605d18816e9e7b53fc9cf67d19fda65f294f9
sha256 7515c800804ea908758e60aecdd2c5c1b12ff96819d569ef01373d90f954be4b
sha512 dc2971b60d99e1996822c0cd8b2591746c848c95eb6d25f0907b3e69354cbe8bbe475410e64181f1d887e205320a5ac163f7d8beba8939d251f4addf02c05f2f
ripemd-160 476ab3d0f10c3de1a251bb9722b0a77394122378

20808213 as geometric shapes

Circle

Radius = n
Diameter 41616426
Circumference 130741858.19026
Area 1.3602522166194E+15

Sphere

Radius = n
Volume 3.7739223809518E+22
Surface area 5.4410088664776E+15
Circumference 130741858.19026

Square

Length = n
Perimeter 83232852
Area 432981728253369
Diagonal 29427257.033348

Cube

Length = n
Surface area 2597890369520214
Volume 9.0095760266042E+21
Space diagonal 36040882.130715

Equilateral Triangle

Length = n
Perimeter 62424639
Area 1.8748658802095E+14
Altitude 18020441.065358

Triangular Pyramid

Length = n
Surface area 1.8748658802095E+14
Volume 1.0617887173379E+21
Height 9809085.6777827