20145485 (number)

20145485 is an odd 8-digits composite number following 20145484 and preceding 20145486. In scientific notation, it is written as 2.0145485 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16116384 positive integers (up to 20145485) that are relatively prime to 20145485.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145485 × 10^7
Engineering notation 2.0145485 × 10^6

Prime Factorization of 20145485

Prime Factorization 5 × 4029097

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145485
Product of the distinct prime numbers

The prime factorization of 20145485 is 5 × 4029097. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145485)

Multiplication

n×y
n×2 40290970
n×3 60436455
n×4 80581940
n×5 100727425

Division

n÷y
n÷2 10072742.5
n÷3 6715161.6666667
n÷3 5036371.25
n÷5 4029097

Exponentiation

ny
n2 405840565885225
n3 8.1758550324323E+21
n4 1.6470656491804E+29
n5 3.3180936329579E+36

Nth Root

y√n
2√n 4488.3721993614
3√n 272.09835057136
4√n 66.99531475679
5√n 28.895854743628

Divisors of 20145485

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 -20145484
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 20145485 can be divided by 4 positive divisors. The sum of these divisors (counting 20145485) is 1, the average is 0.25.

Base conversion 20145485

Base System Value
2 Binary 1001100110110010101001101
3 Ternary 1101220111102002
4 Quaternary 1030312111031
5 Quinary 20124123420
6 Senary 1555442045
8 Octal 114662515
10 Decimal 20145485
12 Duodecimal 68b6325
16 Hexadecimal 133654d
20 Vigesimal 65i3e5
36 Base36 bzsct

Cryptographic Hash Functions

md5 7da405eb402ea8bf19cdb4a72be5e1f4
sha1 d18026043054b7a6069ca1825b67713ec7e069bf
sha256 f7e4d77f29b70b7151ec52c64e4f56c94ea834c4a3a40a86aef4bdf88aa8d517
sha512 a05cdca1164c2462260f2e6e9a9d430e39492cd4d529ee7ef9f542227c83472a475acbe1799a57a48254931feed96c886bfae7ff7aa840938d67a6edc14f4744
ripemd-160 f4da6fcc3846a68e937640864ba96a9ee57bcf48

20145485 as geometric shapes

Circle

Radius = n
Diameter 40290970
Circumference 126577815.35801
Area 1.2749857403137E+15

Sphere

Radius = n
Volume 3.4246941475606E+22
Surface area 5.099942961255E+15
Circumference 126577815.35801

Square

Length = n
Perimeter 80581940
Area 405840565885225
Diagonal 28490018.107584

Cube

Length = n
Surface area 2435043395311350
Volume 8.1758550324323E+21
Space diagonal 34893003.563117

Equilateral Triangle

Length = n
Perimeter 60436455
Area 1.7573411997143E+14
Altitude 17446501.781558

Triangular Pyramid

Length = n
Surface area 1.7573411997143E+14
Volume 9.6353375590517E+20
Height 9496672.7025279