20045145 (number)

20045145 is an odd 8-digits composite number following 20045144 and preceding 20045146. In scientific notation, it is written as 2.0045145 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 10690736 positive integers (up to 20045145) that are relatively prime to 20045145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0045145 × 10^7
Engineering notation 2.0045145 × 10^6

Prime Factorization of 20045145

Prime Factorization 3 × 5 × 1336343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20045145
Product of the distinct prime numbers

The prime factorization of 20045145 is 3 × 5 × 1336343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20045145)

Multiplication

n×y
n×2 40090290
n×3 60135435
n×4 80180580
n×5 100225725

Division

n÷y
n÷2 10022572.5
n÷3 6681715
n÷3 5011286.25
n÷5 4009029

Exponentiation

ny
n2 401807838071025
n3 8.0542963762702E+21
n4 1.6144953873531E+29
n5 3.2362794141324E+36

Nth Root

y√n
2√n 4477.1804743611
3√n 271.64584548586
4√n 66.911736447062
5√n 28.867012510199

Divisors of 20045145

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 -20045144
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 20045145 can be divided by 8 positive divisors. The sum of these divisors (counting 20045145) is 1, the average is 0.125.

Base conversion 20045145

Base System Value
2 Binary 1001100011101110101011001
3 Ternary 1101201101202210
4 Quaternary 1030131311121
5 Quinary 20112421040
6 Senary 1553345333
8 Octal 114356531
10 Decimal 20045145
12 Duodecimal 6868249
16 Hexadecimal 131dd59
20 Vigesimal 655ch5
36 Base36 bxmxl

Cryptographic Hash Functions

md5 5465713047275dd2826a52cf657c0475
sha1 bf9c0388b83808512cd878ce37b48979498e23e2
sha256 73450fec35879513566a8dbbb58bf5602f135f038f5497e32acccb9b806e4175
sha512 528d61ae732b73dd962d0e816f65e8519bec0d4fffd7065bd37397bcaf058126d1140706b005a85dac3af8cbe95e6d32861195fddcaa20da6878f91ed58f2caa
ripemd-160 234d04fc82fb69c24dd89796d53d61717432ac44

20045145 as geometric shapes

Circle

Radius = n
Diameter 40090290
Circumference 125947360.54428
Area 1.2623165522387E+15

Sphere

Radius = n
Volume 3.3737757767367E+22
Surface area 5.0492662089549E+15
Circumference 125947360.54428

Square

Length = n
Perimeter 80180580
Area 401807838071025
Diagonal 28348115.918735

Cube

Length = n
Surface area 2410847028426150
Volume 8.0542963762702E+21
Space diagonal 34719209.585085

Equilateral Triangle

Length = n
Perimeter 60135435
Area 1.7398789760461E+14
Altitude 17359604.792543

Triangular Pyramid

Length = n
Surface area 1.7398789760461E+14
Volume 9.4920793089115E+20
Height 9449371.9729117