20455840 (number)

20455840 is an even 8-digits composite number following 20455839 and preceding 20455841. In scientific notation, it is written as 2.0455840 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors. There are 8182272 positive integers (up to 20455840) that are relatively prime to 20455840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0455840 × 10^7
Engineering notation 2.0455840 × 10^6

Prime Factorization of 20455840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 127849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1278490
Product of the distinct prime numbers

The prime factorization of 20455840 is 2 × 2 × 2 × 2 × 2 × 5 × 127849. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 1, 49, 84, 123, 491, 2699, 6823, 23235, 10996, 412144, 872459, 7640353, 4507705, 67438021, 28904156, 800941056, 544509358, 7567749105, 5533179483

Basic calculations (n = 20455840)

Multiplication

n×y
n×2 40911680
n×3 61367520
n×4 81823360
n×5 102279200

Division

n÷y
n÷2 10227920
n÷3 6818613.3333333
n÷3 5113960
n÷5 4091168

Exponentiation

ny
n2 418441390105600
n3 8.5595701253777E+21
n4 1.7509319695351E+29
n5 3.5816784219694E+36

Nth Root

y√n
2√n 4522.813283787
3√n 273.48852314793
4√n 67.251864537624
5√n 28.984343209069

Divisors of 20455840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127849, 255698, 511396, 639245, 1022792, 1278490, 2045584, 2556980, 4091168, 5113960, 10227920, 20455840

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20455839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20455840 can be divided by 24 positive divisors. The sum of these divisors (counting 20455840) is 1, the average is 0.041666666666667.

Base conversion 20455840

Base System Value
2 Binary 1001110000010000110100000
3 Ternary 1102111021010201
4 Quaternary 1032002012200
5 Quinary 20214041330
6 Senary 2010234544
8 Octal 116020640
10 Decimal 20455840
12 Duodecimal 6a25a54
16 Hexadecimal 13821a0
20 Vigesimal 67gjc0
36 Base36 c6fts

Cryptographic Hash Functions

md5 821ebe33179afed1673b0c68d0cab1c7
sha1 a7da1ebafa7c3c6c1adcaa5a2fd017e6c77e4aaa
sha256 f35d57566f5dd5e96bbf22391927bcc5284f7e83ef614f1df5b4b299d726bcf9
sha512 47e7e84d06b0ddc50d58ff9e3c105c5f328cfa67a050602ac8d50b198ac60ca894b05ab14404013a43e7b66c5ee837a46de3b856083a4e256d17986e8bf2bd68
ripemd-160 42efaaffb5c08f13ef4e99171b5eade19b644078

20455840 as geometric shapes

Circle

Radius = n
Diameter 40911680
Circumference 128527833.33402
Area 1.3145723971137E+15

Sphere

Radius = n
Volume 3.5854243498364E+22
Surface area 5.2582895884546E+15
Circumference 128527833.33402

Square

Length = n
Perimeter 81823360
Area 418441390105600
Diagonal 28928926.357734

Cube

Length = n
Surface area 2510648340633600
Volume 8.5595701253777E+21
Space diagonal 35430554.1915

Equilateral Triangle

Length = n
Perimeter 61367520
Area 1.8119043691316E+14
Altitude 17715277.09575

Triangular Pyramid

Length = n
Surface area 1.8119043691316E+14
Volume 1.0087550132827E+21
Height 9642975.452578