20145831 (number)

20145831 is an odd 8-digits composite number following 20145830 and preceding 20145832. In scientific notation, it is written as 2.0145831 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13430552 positive integers (up to 20145831) that are relatively prime to 20145831.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eight hundred thirty-one

Notation

Scientific notation 2.0145831 × 10^7
Engineering notation 2.0145831 × 10^6

Prime Factorization of 20145831

Prime Factorization 3 × 6715277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145831
Product of the distinct prime numbers

The prime factorization of 20145831 is 3 × 6715277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145831)

Multiplication

n×y
n×2 40291662
n×3 60437493
n×4 80583324
n×5 100729155

Division

n÷y
n÷2 10072915.5
n÷3 6715277
n÷3 5036457.75
n÷5 4029166.2

Exponentiation

ny
n2 405854506680561
n3 8.176276302175E+21
n4 1.6471788059292E+29
n5 3.3183785851032E+36

Nth Root

y√n
2√n 4488.4107432364
3√n 272.09990833133
4√n 66.995602417147
5√n 28.895954000579

Divisors of 20145831

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 -20145830
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 20145831 can be divided by 4 positive divisors. The sum of these divisors (counting 20145831) is 1, the average is 0.25.

Base conversion 20145831

Base System Value
2 Binary 1001100110110011010100111
3 Ternary 1101220111212220
4 Quaternary 1030312122213
5 Quinary 20124131311
6 Senary 1555443423
8 Octal 114663247
10 Decimal 20145831
12 Duodecimal 68b6573
16 Hexadecimal 13366a7
20 Vigesimal 65i4bb
36 Base36 bzsmf

Cryptographic Hash Functions

md5 51bdff8c357c79cd71a1cdebe2f93a33
sha1 5ea713a18b70de97fc9f1941c85b244a00d4f1b4
sha256 8f0eba2c85e1b896657d72082860b7e830415152afb6fcddac5f7fd895f046ce
sha512 e640cfb67067a7a599e4af8f7c4ab9018a62b524b99832ee7f09837af44adc4d12afc0f0edf79e79b1a549fa950e80831279f3d42512c5a834dc64f130033036
ripemd-160 80572d83c45309dff75133d2c1f59648a7126494

20145831 as geometric shapes

Circle

Radius = n
Diameter 40291662
Circumference 126579989.34012
Area 1.275029536614E+15

Sphere

Radius = n
Volume 3.4248706086178E+22
Surface area 5.1001181464558E+15
Circumference 126579989.34012

Square

Length = n
Perimeter 80583324
Area 405854506680561
Diagonal 28490507.425476

Cube

Length = n
Surface area 2435127040083366
Volume 8.176276302175E+21
Space diagonal 34893602.852696

Equilateral Triangle

Length = n
Perimeter 60437493
Area 1.7574015651288E+14
Altitude 17446801.426348

Triangular Pyramid

Length = n
Surface area 1.7574015651288E+14
Volume 9.6358340302046E+20
Height 9496835.8084921