20145040 (number)

20145040 is an even 8-digits composite number following 20145039 and preceding 20145041. In scientific notation, it is written as 2.0145040 × 10^7. The sum of its digits is 16. It has a total of 7 prime factors and 40 positive divisors. There are 7797120 positive integers (up to 20145040) that are relatively prime to 20145040.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand forty

Notation

Scientific notation 2.0145040 × 10^7
Engineering notation 2.0145040 × 10^6

Prime Factorization of 20145040

Prime Factorization 2 × 2 × 2 × 2 × 5 × 31 × 8123

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2518130
Product of the distinct prime numbers

The prime factorization of 20145040 is 2 × 2 × 2 × 2 × 5 × 31 × 8123. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 5, 29, 16, 167, 51, 6096, 6144, 88670, 66531, 309546, 716423, 5392819, 6617587, 12245445, 65824585, 646208082, 2061950, 5696724486, 4100416059

Basic calculations (n = 20145040)

Multiplication

n×y
n×2 40290080
n×3 60435120
n×4 80580160
n×5 100725200

Division

n÷y
n÷2 10072520
n÷3 6715013.3333333
n÷3 5036260
n÷5 4029008

Exponentiation

ny
n2 405822636601600
n3 8.1753132472447E+21
n4 1.6469201237827E+29
n5 3.3177271770408E+36

Nth Root

y√n
2√n 4488.3226265499
3√n 272.09634706772
4√n 66.994944783543
5√n 28.895727084562

Divisors of 20145040

1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 251813, 324920, 503626, 649840, 1007252, 1259065, 2014504, 2518130, 4029008, 5036260, 10072520, 20145040

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145040 can be divided by 40 positive divisors. The sum of these divisors (counting 20145040) is 1, the average is 0.025.

Base conversion 20145040

Base System Value
2 Binary 1001100110110001110010000
3 Ternary 1101220110210121
4 Quaternary 1030312032100
5 Quinary 20124120130
6 Senary 1555440024
8 Octal 114661620
10 Decimal 20145040
12 Duodecimal 68b6014
16 Hexadecimal 1336390
20 Vigesimal 65i2c0
36 Base36 bzs0g

Cryptographic Hash Functions

md5 d43cc32b35372a85b5fd59d18d320df7
sha1 7d70a13149ce149554b2b9c6437a4ce4d95c9b25
sha256 97bf0fd1e2294da31e256e6d04d7c61bddf1e19343973c2534864d83cfbb106e
sha512 be02b80ac79e2e91ad4c6a5b709487ee9902f413737e700413d3a99b566c92366d075c385ddaa1a62190b78ce62fa473ef70584fc09e14b3b1cf6e264e749610
ripemd-160 feda2a2c6be2782ea4bef0aca4b033f966099075

20145040 as geometric shapes

Circle

Radius = n
Diameter 40290080
Circumference 126575019.34055
Area 1.274929413808E+15

Sphere

Radius = n
Volume 3.4244672051119E+22
Surface area 5.0997176552321E+15
Circumference 126575019.34055

Square

Length = n
Perimeter 80580160
Area 405822636601600
Diagonal 28489388.782548

Cube

Length = n
Surface area 2434935819609600
Volume 8.1753132472447E+21
Space diagonal 34892232.800507

Equilateral Triangle

Length = n
Perimeter 60435120
Area 1.7572635636388E+14
Altitude 17446116.400254

Triangular Pyramid

Length = n
Surface area 1.7572635636388E+14
Volume 9.6346990590849E+20
Height 9496462.9275162