20145049 (number)

20145049 is an odd 8-digits composite number following 20145048 and preceding 20145050. In scientific notation, it is written as 2.0145049 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19783920 positive integers (up to 20145049) that are relatively prime to 20145049.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145049 × 10^7
Engineering notation 2.0145049 × 10^6

Prime Factorization of 20145049

Prime Factorization 103 × 131 × 1493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145049
Product of the distinct prime numbers

The prime factorization of 20145049 is 103 × 131 × 1493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145049)

Multiplication

n×y
n×2 40290098
n×3 60435147
n×4 80580196
n×5 100725245

Division

n÷y
n÷2 10072524.5
n÷3 6715016.3333333
n÷3 5036262.25
n÷5 4029009.8

Exponentiation

ny
n2 405822999212401
n3 8.1753242044608E+21
n4 1.6469230668975E+29
n5 3.317734588188E+36

Nth Root

y√n
2√n 4488.3236291515
3√n 272.09638758831
4√n 66.994952266208
5√n 28.895729666454

Divisors of 20145049

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145048
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145049 can be divided by 8 positive divisors. The sum of these divisors (counting 20145049) is 1, the average is 0.125.

Base conversion 20145049

Base System Value
2 Binary 1001100110110001110011001
3 Ternary 1101220110210221
4 Quaternary 1030312032121
5 Quinary 20124120144
6 Senary 1555440041
8 Octal 114661631
10 Decimal 20145049
12 Duodecimal 68b6021
16 Hexadecimal 1336399
20 Vigesimal 65i2c9
36 Base36 bzs0p

Cryptographic Hash Functions

md5 d3523010f30141b7ff13d4e056e6179c
sha1 a75d15bc8b7f2b1904c3d419b3423cda15964532
sha256 306ceb2bbfc275aaf737791de07c2e0b6db46476b1502c871943ada1bdd0c847
sha512 8465105c18e1dcbd0298869cde6bacba1f30718ae1708d4d0382177672d4048e02f074949f2b293323fe17cbb67103b2ca2604194793ab51f06504b74de566a4
ripemd-160 22dbe178460bb28c0859894219c96afe9576557b

20145049 as geometric shapes

Circle

Radius = n
Diameter 40290098
Circumference 126575075.88921
Area 1.2749305529835E+15

Sphere

Radius = n
Volume 3.4244717948598E+22
Surface area 5.0997222119338E+15
Circumference 126575075.88921

Square

Length = n
Perimeter 80580196
Area 405822999212401
Diagonal 28489401.510471

Cube

Length = n
Surface area 2434937995274406
Volume 8.1753242044608E+21
Space diagonal 34892248.388965

Equilateral Triangle

Length = n
Perimeter 60435147
Area 1.7572651337897E+14
Altitude 17446124.194482

Triangular Pyramid

Length = n
Surface area 1.7572651337897E+14
Volume 9.6347119722879E+20
Height 9496467.1701569