20649870 (number)

20649870 is an even 8-digits composite number following 20649869 and preceding 20649871. In scientific notation, it is written as 2.0649870 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 5506560 positive integers (up to 20649870) that are relatively prime to 20649870.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-nine thousand eight hundred seventy

Notation

Scientific notation 2.0649870 × 10^7
Engineering notation 2.0649870 × 10^6

Prime Factorization of 20649870

Prime Factorization 2 × 5 × 3 × 3 × 3 × 76481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2294430
Product of the distinct prime numbers

The prime factorization of 20649870 is 2 × 5 × 3 × 3 × 3 × 76481. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 6, 83, 70, 352, 806, 9059, 841, 27796, 31341, 775561, 289744, 7669493, 3286805, 81867684, 85195583, 64925179, 950519413, 2493669752, 2437812281

Basic calculations (n = 20649870)

Multiplication

n×y
n×2 41299740
n×3 61949610
n×4 82599480
n×5 103249350

Division

n÷y
n÷2 10324935
n÷3 6883290
n÷3 5162467.5
n÷5 4129974

Exponentiation

ny
n2 426417131016900
n3 8.805458321272E+21
n4 1.8183156962468E+29
n5 3.7547982746457E+36

Nth Root

y√n
2√n 4544.2128031156
3√n 274.35051133739
4√n 67.410776609646
5√n 29.039120868945

Divisors of 20649870

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 76481, 152962, 229443, 382405, 458886, 688329, 764810, 1147215, 1376658, 2064987, 2294430, 3441645, 4129974, 6883290, 10324935, 20649870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20649869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20649870 can be divided by 32 positive divisors. The sum of these divisors (counting 20649870) is 1, the average is 0.03125.

Base conversion 20649870

Base System Value
2 Binary 1001110110001011110001110
3 Ternary 1102212010022000
4 Quaternary 1032301132032
5 Quinary 20241243440
6 Senary 2014333130
8 Octal 116613616
10 Decimal 20649870
12 Duodecimal 6aba1a6
16 Hexadecimal 13b178e
20 Vigesimal 6914da
36 Base36 calji

Cryptographic Hash Functions

md5 cc0904798f23c65ea51b6abae8c7ab91
sha1 abf404954c683bb7c77a991c49ccb29cdf0cdda0
sha256 646ee1936e02452bc79d233c72ee243c0d58ffae69e05c2d8c44792137c23105
sha512 dda4b77dc8bbe590393a1c30bf7181e711922fe329265ec4062fd3bfe373122e0caa9db9fd7ab5da54afd366cb9d17ecf22a8e875e9219b5a23eff675252c8fc
ripemd-160 a87c85d1709a2808fe4369e517a79c078b81b3a9

20649870 as geometric shapes

Circle

Radius = n
Diameter 41299740
Circumference 129746959.77917
Area 1.3396289261675E+15

Sphere

Radius = n
Volume 3.6884217564799E+22
Surface area 5.3585157046701E+15
Circumference 129746959.77917

Square

Length = n
Perimeter 82599480
Area 426417131016900
Diagonal 29203326.215241

Cube

Length = n
Surface area 2558502786101400
Volume 8.805458321272E+21
Space diagonal 35766624.009692

Equilateral Triangle

Length = n
Perimeter 61949610
Area 1.8464403403476E+14
Altitude 17883312.004846

Triangular Pyramid

Length = n
Surface area 1.8464403403476E+14
Volume 1.0377332150712E+21
Height 9734442.0717471