20158821 (number)

20158821 is an odd 8-digits composite number following 20158820 and preceding 20158822. In scientific notation, it is written as 2.0158821 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 12296448 positive integers (up to 20158821) that are relatively prime to 20158821.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-eight thousand eight hundred twenty-one

Notation

Scientific notation 2.0158821 × 10^7
Engineering notation 2.0158821 × 10^6

Prime Factorization of 20158821

Prime Factorization 9 × 1887 × 1187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20158821
Product of the distinct prime numbers

The prime factorization of 20158821 is 9 × 1887 × 1187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20158821)

Multiplication

n×y
n×2 40317642
n×3 60476463
n×4 80635284
n×5 100794105

Division

n÷y
n÷2 10079410.5
n÷3 6719607
n÷3 5039705.25
n÷5 4031764.2

Exponentiation

ny
n2 406378064110041
n3 8.1921026527208E+21
n4 1.6514313098982E+29
n5 3.3290908170034E+36

Nth Root

y√n
2√n 4489.857570124
3√n 272.15837896288
4√n 67.006399471424
5√n 28.899679452934

Divisors of 20158821

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 -20158820
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 20158821 can be divided by 8 positive divisors. The sum of these divisors (counting 20158821) is 1, the average is 0.125.

Base conversion 20158821

Base System Value
2 Binary 1001100111001100101100101
3 Ternary 1101221011201000
4 Quaternary 1030321211211
5 Quinary 20130040241
6 Senary 2000023513
8 Octal 114714545
10 Decimal 20158821
12 Duodecimal 6901b99
16 Hexadecimal 1339965
20 Vigesimal 65jh11
36 Base36 c02n9

Cryptographic Hash Functions

md5 8069a8d76dfcf7dc64f4bc1561286c16
sha1 6b28c354fb8aa45cf175f9269070097350dcba50
sha256 be555b2581445e20e0b47448bc7bc95eb48fa512d053335e533109225d9885ae
sha512 e7b3e45e2a814ae956dd11423455bba027737ff9969550f557be084714adbbd68f759af45160c7dd7679df6295bcff9977bf7e14c44714051f8cece6ef6797bb
ripemd-160 c00775a35065d6afd615c7abdfa100501a259f32

20158821 as geometric shapes

Circle

Radius = n
Diameter 40317642
Circumference 126661607.91726
Area 1.2766743407881E+15

Sphere

Radius = n
Volume 3.4314999348322E+22
Surface area 5.1066973631526E+15
Circumference 126661607.91726

Square

Length = n
Perimeter 80635284
Area 406378064110041
Diagonal 28508878.059652

Cube

Length = n
Surface area 2438268384660246
Volume 8.1921026527208E+21
Space diagonal 34916102.192686

Equilateral Triangle

Length = n
Perimeter 60476463
Area 1.7596686353002E+14
Altitude 17458051.096343

Triangular Pyramid

Length = n
Surface area 1.7596686353002E+14
Volume 9.654485563192E+20
Height 9502959.3532172