20145290 (number)

20145290 is an even 8-digits composite number following 20145289 and preceding 20145291. In scientific notation, it is written as 2.0145290 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 7325120 positive integers (up to 20145290) that are relatively prime to 20145290.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand two hundred ninety

Notation

Scientific notation 2.0145290 × 10^7
Engineering notation 2.0145290 × 10^6

Prime Factorization of 20145290

Prime Factorization 2 × 55 × 11 × 16649

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145290
Product of the distinct prime numbers

The prime factorization of 20145290 is 2 × 55 × 11 × 16649. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145290)

Multiplication

n×y
n×2 40290580
n×3 60435870
n×4 80581160
n×5 100726450

Division

n÷y
n÷2 10072645
n÷3 6715096.6666667
n÷3 5036322.5
n÷5 4029058

Exponentiation

ny
n2 405832709184100
n3 8.1756176179994E+21
n4 1.6470018784371E+29
n5 3.3179330471659E+36

Nth Root

y√n
2√n 4488.3504765114
3√n 272.0974726352
4√n 66.995152634436
5√n 28.895798803416

Divisors of 20145290

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145290 can be divided by 16 positive divisors. The sum of these divisors (counting 20145290) is 1, the average is 0.0625.

Base conversion 20145290

Base System Value
2 Binary 1001100110110010010001010
3 Ternary 1101220111010212
4 Quaternary 1030312102022
5 Quinary 20124122130
6 Senary 1555441122
8 Octal 114662212
10 Decimal 20145290
12 Duodecimal 68b61a2
16 Hexadecimal 133648a
20 Vigesimal 65i34a
36 Base36 bzs7e

Cryptographic Hash Functions

md5 94877abcefd6658125dc602554ba9dd9
sha1 bd6085b00f46030c6b0ca0b317c7cab66db0cb99
sha256 f1cedcaff4738c24f542006b977c337a96f315ed99d5962e54772000e48bdd00
sha512 0854b28dcb903ef2e3c8932eb6e3e7f684ee73d59df231fadcd00da6094250271bc5077c08157afe6f27240d1027a176fca76638fd830523889c96661b82a920
ripemd-160 7dbec54c364c6f9468c1233e4e3f88db6238cc30

20145290 as geometric shapes

Circle

Radius = n
Diameter 40290580
Circumference 126576590.13687
Area 1.2749610577592E+15

Sphere

Radius = n
Volume 3.4245946996355E+22
Surface area 5.0998442310368E+15
Circumference 126576590.13687

Square

Length = n
Perimeter 80581160
Area 405832709184100
Diagonal 28489742.335939

Cube

Length = n
Surface area 2434996255104600
Volume 8.1756176179994E+21
Space diagonal 34892665.813209

Equilateral Triangle

Length = n
Perimeter 60435870
Area 1.7573071792005E+14
Altitude 17446332.906605

Triangular Pyramid

Length = n
Surface area 1.7573071792005E+14
Volume 9.6350577634593E+20
Height 9496580.7786464