20455421 (number)

20455421 is an odd 8-digits composite number following 20455420 and preceding 20455422. In scientific notation, it is written as 2.0455421 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 17533212 positive integers (up to 20455421) that are relatively prime to 20455421.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand four hundred twenty-one

Notation

Scientific notation 2.0455421 × 10^7
Engineering notation 2.0455421 × 10^6

Prime Factorization of 20455421

Prime Factorization 7 × 2922203

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20455421
Product of the distinct prime numbers

The prime factorization of 20455421 is 7 × 2922203. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20455421)

Multiplication

n×y
n×2 40910842
n×3 61366263
n×4 81821684
n×5 102277105

Division

n÷y
n÷2 10227710.5
n÷3 6818473.6666667
n÷3 5113855.25
n÷5 4091084.2

Exponentiation

ny
n2 418424248287241
n3 8.559044155324E+21
n4 1.7507885155474E+29
n5 3.5813116167488E+36

Nth Root

y√n
2√n 4522.7669628226
3√n 273.48665583321
4√n 67.251520152504
5√n 28.984224469978

Divisors of 20455421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20455420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20455421 can be divided by 4 positive divisors. The sum of these divisors (counting 20455421) is 1, the average is 0.25.

Base conversion 20455421

Base System Value
2 Binary 1001110000001111111111101
3 Ternary 1102111020120012
4 Quaternary 1032001333331
5 Quinary 20214033141
6 Senary 2010233005
8 Octal 116017775
10 Decimal 20455421
12 Duodecimal 6a25765
16 Hexadecimal 1381ffd
20 Vigesimal 67gib1
36 Base36 c6fi5

Cryptographic Hash Functions

md5 14f8f008255284462370fe8af801bb32
sha1 739fe2b6598009303e97bd624c27bdcfb2b3fa95
sha256 8f6374a4f3da4574dd77b06c02a548cacf20c0e88002392bd1133c3240f0f555
sha512 ea95479c74a6030ae66d797a0abfa798206a4452d2e5e3e1d3c596ca53b3d6c61b5bb55a38705beefdb75b0185f66151899d7d15301ebff5eb0c66cf79d273a6
ripemd-160 1d8a8a321b66cf3abf1854194c36f6b37204699d

20455421 as geometric shapes

Circle

Radius = n
Diameter 40910842
Circumference 128525200.67937
Area 1.314518544503E+15

Sphere

Radius = n
Volume 3.5852040320156E+22
Surface area 5.2580741780121E+15
Circumference 128525200.67937

Square

Length = n
Perimeter 81821684
Area 418424248287241
Diagonal 28928333.802251

Cube

Length = n
Surface area 2510545489723446
Volume 8.559044155324E+21
Space diagonal 35429828.462211

Equilateral Triangle

Length = n
Perimeter 61366263
Area 1.8118301428808E+14
Altitude 17714914.231106

Triangular Pyramid

Length = n
Surface area 1.8118301428808E+14
Volume 1.0086930271175E+21
Height 9642777.9340838