20213891 (number)

20213891 is an odd 8-digits composite number following 20213890 and preceding 20213892. In scientific notation, it is written as 2.0213891 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 18531720 positive integers (up to 20213891) that are relatively prime to 20213891.

Interesting facts

Basic properties

Name

Name twenty million two hundred thirteen thousand eight hundred ninety-one

Notation

Scientific notation 2.0213891 × 10^7
Engineering notation 2.0213891 × 10^6

Prime Factorization of 20213891

Prime Factorization 31 × 19 × 34319

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20213891
Product of the distinct prime numbers

The prime factorization of 20213891 is 31 × 19 × 34319. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20213891)

Multiplication

n×y
n×2 40427782
n×3 60641673
n×4 80855564
n×5 101069455

Division

n÷y
n÷2 10106945.5
n÷3 6737963.6666667
n÷3 5053472.75
n÷5 4042778.2

Exponentiation

ny
n2 408601389359881
n3 8.2594239469692E+21
n4 1.6695509538683E+29
n5 3.3748121000439E+36

Nth Root

y√n
2√n 4495.986098733
3√n 272.40598164949
4√n 67.052114796872
5√n 28.915451894374

Divisors of 20213891

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 -20213890
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 20213891 can be divided by 8 positive divisors. The sum of these divisors (counting 20213891) is 1, the average is 0.125.

Base conversion 20213891

Base System Value
2 Binary 1001101000111000010000011
3 Ternary 1102000222020122
4 Quaternary 1031013002003
5 Quinary 20133321031
6 Senary 2001130455
8 Octal 115070203
10 Decimal 20213891
12 Duodecimal 6929a2b
16 Hexadecimal 1347083
20 Vigesimal 666eeb
36 Base36 c194z

Cryptographic Hash Functions

md5 f9ed29b237f671e9b35902541a89dd7e
sha1 028f41fb83fff5f11797918e3b0542df52c14586
sha256 0528be12f5550f0cbcdee7f8a5667493884468f9bf4ba86905bdec2141dbdd03
sha512 5bc2fa978ba8c3413f3d94a4239462d7db331c25626dfda010ed5f60602d1c404e067e19bc29f8cf2cc1bb730a2f9ff7a67246b0d99d92647252515e3aca0f78
ripemd-160 54ed9efab192845b03a7c491e75647ee5b4480db

20213891 as geometric shapes

Circle

Radius = n
Diameter 40427782
Circumference 127007622.93213
Area 1.2836591230596E+15

Sphere

Radius = n
Volume 3.4596994126243E+22
Surface area 5.1346364922383E+15
Circumference 127007622.93213

Square

Length = n
Perimeter 80855564
Area 408601389359881
Diagonal 28586758.800531

Cube

Length = n
Surface area 2451608336159286
Volume 8.2594239469692E+21
Space diagonal 35011486.230659

Equilateral Triangle

Length = n
Perimeter 60641673
Area 1.7692959160364E+14
Altitude 17505743.11533

Triangular Pyramid

Length = n
Surface area 1.7692959160364E+14
Volume 9.7338244693275E+20
Height 9528919.6001771