20145521 (number)

20145521 is an odd 8-digits composite number following 20145520 and preceding 20145522. In scientific notation, it is written as 2.0145521 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 18314100 positive integers (up to 20145521) that are relatively prime to 20145521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145521 × 10^7
Engineering notation 2.0145521 × 10^6

Prime Factorization of 20145521

Prime Factorization 11 × 1831411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145521
Product of the distinct prime numbers

The prime factorization of 20145521 is 11 × 1831411. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145521)

Multiplication

n×y
n×2 40291042
n×3 60436563
n×4 80582084
n×5 100727605

Division

n÷y
n÷2 10072760.5
n÷3 6715173.6666667
n÷3 5036380.25
n÷5 4029104.2

Exponentiation

ny
n2 405842016361441
n3 8.1758988632918E+21
n4 1.6470774224432E+29
n5 3.3181232802455E+36

Nth Root

y√n
2√n 4488.3762097222
3√n 272.09851265127
4√n 66.995344686942
5√n 28.895865071005

Divisors of 20145521

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 -20145520
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 20145521 can be divided by 4 positive divisors. The sum of these divisors (counting 20145521) is 1, the average is 0.25.

Base conversion 20145521

Base System Value
2 Binary 1001100110110010101110001
3 Ternary 1101220111110102
4 Quaternary 1030312111301
5 Quinary 20124124041
6 Senary 1555442145
8 Octal 114662561
10 Decimal 20145521
12 Duodecimal 68b6355
16 Hexadecimal 1336571
20 Vigesimal 65i3g1
36 Base36 bzsdt

Cryptographic Hash Functions

md5 a60e14c64fda0d7207dbcb1700c0defd
sha1 71cc553be6686b400426e260545816757366738e
sha256 956ed8af3ddda02471f35c53e8411c957c72c7193b80a574adaf0a57c8bb73fe
sha512 555055161a092f607200273d85586d49c4a45467e79e581a7ec679c31998fdbdee0f7995769c81a1387129f73533b0f03ba2486ce8138ed8ad46068f58b3b2f8
ripemd-160 171aeeb05ee26ed2f07dbddebe7b9e3b9ce9eb9f

20145521 as geometric shapes

Circle

Radius = n
Diameter 40291042
Circumference 126578041.55268
Area 1.2749902971192E+15

Sphere

Radius = n
Volume 3.4247125073881E+22
Surface area 5.0999611884767E+15
Circumference 126578041.55268

Square

Length = n
Perimeter 80582084
Area 405842016361441
Diagonal 28490069.019272

Cube

Length = n
Surface area 2435052098168646
Volume 8.1758988632918E+21
Space diagonal 34893065.916946

Equilateral Triangle

Length = n
Perimeter 60436563
Area 1.7573474804605E+14
Altitude 17446532.958473

Triangular Pyramid

Length = n
Surface area 1.7573474804605E+14
Volume 9.635389214215E+20
Height 9496689.6730907