20808215 (number)

20808215 is an odd 8-digits composite number following 20808214 and preceding 20808216. In scientific notation, it is written as 2.0808215 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 15920784 positive integers (up to 20808215) that are relatively prime to 20808215.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand two hundred fifteen

Notation

Scientific notation 2.0808215 × 10^7
Engineering notation 2.0808215 × 10^6

Prime Factorization of 20808215

Prime Factorization 5 × 23 × 23 × 7867

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 904705
Product of the distinct prime numbers

The prime factorization of 20808215 is 5 × 23 × 23 × 7867. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 41, 56, 273, 381, 2033, 7786, 67289, 37733, 25318, 562035, 5994333, 8467010, 91602755, 23043692, 101994826, 954644780, 5393176121, 4953109908

Basic calculations (n = 20808215)

Multiplication

n×y
n×2 41616430
n×3 62424645
n×4 83232860
n×5 104041075

Division

n÷y
n÷2 10404107.5
n÷3 6936071.6666667
n÷3 5202053.75
n÷5 4161643

Exponentiation

ny
n2 432981811486225
n3 9.0095786244948E+21
n4 1.8747324907789E+29
n5 3.9009836735613E+36

Nth Root

y√n
2√n 4561.6022404414
3√n 275.04997438893
4√n 67.539634589191
5√n 29.083519796194

Divisors of 20808215

1, 5, 23, 115, 529, 2645, 7867, 39335, 180941, 904705, 4161643, 20808215

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 -20808214
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 20808215 can be divided by 12 positive divisors. The sum of these divisors (counting 20808215) is 1, the average is 0.083333333333333.

Base conversion 20808215

Base System Value
2 Binary 1001111011000001000010111
3 Ternary 1110011011111122
4 Quaternary 1033120020113
5 Quinary 20311330330
6 Senary 2021554155
8 Octal 117301027
10 Decimal 20808215
12 Duodecimal 6b7595b
16 Hexadecimal 13d8217
20 Vigesimal 6a10af
36 Base36 cdzpz

Cryptographic Hash Functions

md5 8725b556922ac68a183815d0cc1415b4
sha1 e9d4dd7d16966e7c77a2280846bd69e571176ec8
sha256 9ed7dbb42a032ef001179f182161ca18114e7c6d6cdf808c525745e906049aa5
sha512 8aefceaa43ffa354b8682c296d16dafb720eb69b920b00282b6f7ff336a08dc5a4ddc1e4b991569f00e95ddca6552aa0278467272a32416ae06318673439a9c7
ripemd-160 20772f41e220d059031d54e5c66908b5added033

20808215 as geometric shapes

Circle

Radius = n
Diameter 41616430
Circumference 130741870.75663
Area 1.3602524781031E+15

Sphere

Radius = n
Volume 3.7739234691537E+22
Surface area 5.4410099124125E+15
Circumference 130741870.75663

Square

Length = n
Perimeter 83232860
Area 432981811486225
Diagonal 29427259.861775

Cube

Length = n
Surface area 2597890868917350
Volume 9.0095786244948E+21
Space diagonal 36040885.594817

Equilateral Triangle

Length = n
Perimeter 62424645
Area 1.8748662406184E+14
Altitude 18020442.797408

Triangular Pyramid

Length = n
Surface area 1.8748662406184E+14
Volume 1.0617890235023E+21
Height 9809086.6205918