20145872 (number)

20145872 is an even 8-digits composite number following 20145871 and preceding 20145873. In scientific notation, it is written as 2.0145872 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 10054368 positive integers (up to 20145872) that are relatively prime to 20145872.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eight hundred seventy-two

Notation

Scientific notation 2.0145872 × 10^7
Engineering notation 2.0145872 × 10^6

Prime Factorization of 20145872

Prime Factorization 2 × 2 × 2 × 2 × 863 × 1459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2518234
Product of the distinct prime numbers

The prime factorization of 20145872 is 2 × 2 × 2 × 2 × 863 × 1459. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 7, 76, 51, 493, 942, 5808, 4183, 87948, 68104, 253813, 331802, 5912830, 8557700, 46679532, 20068679, 728128670, 481593461, 1537145357, 1244265567

Basic calculations (n = 20145872)

Multiplication

n×y
n×2 40291744
n×3 60437616
n×4 80583488
n×5 100729360

Division

n÷y
n÷2 10072936
n÷3 6715290.6666667
n÷3 5036468
n÷5 4029174.4

Exponentiation

ny
n2 405856158640384
n3 8.1763262223809E+21
n4 1.6471922150633E+29
n5 3.3184123524061E+36

Nth Root

y√n
2√n 4488.4153105523
3√n 272.10009292021
4√n 66.995636503822
5√n 28.89596576215

Divisors of 20145872

1, 2, 4, 8, 16, 863, 1459, 1726, 2918, 3452, 5836, 6904, 11672, 13808, 23344, 1259117, 2518234, 5036468, 10072936, 20145872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145872 can be divided by 20 positive divisors. The sum of these divisors (counting 20145872) is 1, the average is 0.05.

Base conversion 20145872

Base System Value
2 Binary 1001100110110011011010000
3 Ternary 1101220111221102
4 Quaternary 1030312123100
5 Quinary 20124131442
6 Senary 1555443532
8 Octal 114663320
10 Decimal 20145872
12 Duodecimal 68b65a8
16 Hexadecimal 13366d0
20 Vigesimal 65i4dc
36 Base36 bzsnk

Cryptographic Hash Functions

md5 f03146639203e276c0a8c2b6b3d6f651
sha1 52c5eaab834eabf79a68d5f81609dc10c1612570
sha256 fe4a595a432f1baf9ba89088c0f4d478a56af5fcd29df29fcf72ea5b59ae4869
sha512 bd23e5e0acdab6af533c099bf8d46ad7cc06f02c8eaef84021a647a04ef01e14d75044e38f268d08a45f5051f02ce9210c2434ace5f8b48ecfdfb3e1d8436f95
ripemd-160 fdcb81aa905b731b0fb4b31f31045d7e70a5ebd2

20145872 as geometric shapes

Circle

Radius = n
Diameter 40291744
Circumference 126580246.95072
Area 1.2750347263988E+15

Sphere

Radius = n
Volume 3.4248915191447E+22
Surface area 5.1001389055952E+15
Circumference 126580246.95072

Square

Length = n
Perimeter 80583488
Area 405856158640384
Diagonal 28490565.408232

Cube

Length = n
Surface area 2435136951842304
Volume 8.1763262223809E+21
Space diagonal 34893673.866779

Equilateral Triangle

Length = n
Perimeter 60437616
Area 1.7574087183247E+14
Altitude 17446836.93339

Triangular Pyramid

Length = n
Surface area 1.7574087183247E+14
Volume 9.6358928617315E+20
Height 9496855.1360775