20455870 (number)

20455870 is an even 8-digits composite number following 20455869 and preceding 20455871. In scientific notation, it is written as 2.0455870 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 8182344 positive integers (up to 20455870) that are relatively prime to 20455870.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand eight hundred seventy

Notation

Scientific notation 2.0455870 × 10^7
Engineering notation 2.0455870 × 10^6

Prime Factorization of 20455870

Prime Factorization 2 × 5 × 2045587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20455870
Product of the distinct prime numbers

The prime factorization of 20455870 is 2 × 5 × 2045587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20455870)

Multiplication

n×y
n×2 40911740
n×3 61367610
n×4 81823480
n×5 102279350

Division

n÷y
n÷2 10227935
n÷3 6818623.3333333
n÷3 5113967.5
n÷5 4091174

Exponentiation

ny
n2 418442617456900
n3 8.5596077851581E+21
n4 1.7509422410418E+29
n5 3.581704686026E+36

Nth Root

y√n
2√n 4522.8166003056
3√n 273.4886568449
4√n 67.251889195067
5√n 28.9843517106

Divisors of 20455870

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 -20455869
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 20455870 can be divided by 8 positive divisors. The sum of these divisors (counting 20455870) is 1, the average is 0.125.

Base conversion 20455870

Base System Value
2 Binary 1001110000010000110111110
3 Ternary 1102111021011211
4 Quaternary 1032002012332
5 Quinary 20214041440
6 Senary 2010235034
8 Octal 116020676
10 Decimal 20455870
12 Duodecimal 6a25a7a
16 Hexadecimal 13821be
20 Vigesimal 67gjda
36 Base36 c6fum

Cryptographic Hash Functions

md5 a86427ab00007e7968ae95fe6d37bc53
sha1 f9bd3c00ec43bee5e5581813c2a4e4f4e211f5e8
sha256 3acde7d666da0bcfce904209e90b6acfdc15d95a026b8114371c9b3cb7873fe3
sha512 fa7aed8e4850580840eeee726bfa662ddf3d7b928f731eca3f5c26eccf5a218d564ccb57b705a3451523d1ae798fc568a3d68a08a170fe91f0283a1e5bcb332a
ripemd-160 d98ec8e681f39a90467f3d26230d588bf520f8af

20455870 as geometric shapes

Circle

Radius = n
Diameter 40911740
Circumference 128528021.82958
Area 1.3145762529515E+15

Sphere

Radius = n
Volume 3.5854401247283E+22
Surface area 5.2583050118059E+15
Circumference 128528021.82958

Square

Length = n
Perimeter 81823480
Area 418442617456900
Diagonal 28928968.784141

Cube

Length = n
Surface area 2510655704741400
Volume 8.5596077851581E+21
Space diagonal 35430606.153024

Equilateral Triangle

Length = n
Perimeter 61367610
Area 1.8119096837186E+14
Altitude 17715303.076512

Triangular Pyramid

Length = n
Surface area 1.8119096837186E+14
Volume 1.0087594515304E+21
Height 9642989.5947136