20731648 (number)

20731648 is an even 8-digits composite number following 20731647 and preceding 20731649. In scientific notation, it is written as 2.0731648 × 10^7. The sum of its digits is 31. It has a total of 11 prime factors and 72 positive divisors. There are 8481792 positive integers (up to 20731648) that are relatively prime to 20731648.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand six hundred forty-eight

Notation

Scientific notation 2.0731648 × 10^7
Engineering notation 2.0731648 × 10^6

Prime Factorization of 20731648

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 23 × 503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 161966
Product of the distinct prime numbers

The prime factorization of 20731648 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 23 × 503. Since it has a total of 11 prime factors.

Most popular turbo-numbers

8, 2, 16, 37, 502, 196, 3080, 7700, 80938, 73110, 920720, 325914, 8360695, 3195156, 58576997, 34131494, 502282820, 376463781, 9688626852, 144159574

Basic calculations (n = 20731648)

Multiplication

n×y
n×2 41463296
n×3 62194944
n×4 82926592
n×5 103658240

Division

n÷y
n÷2 10365824
n÷3 6910549.3333333
n÷3 5182912
n÷5 4146329.6

Exponentiation

ny
n2 429801228795904
n3 8.9104877853641E+21
n4 1.8472909627447E+29
n5 3.8297385993204E+36

Nth Root

y√n
2√n 4553.2019502763
3√n 274.71219697459
4√n 67.477418076541
5√n 29.062084774392

Divisors of 20731648

1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 503, 644, 736, 896, 1006, 1288, 1472, 1792, 2012, 2576, 2944, 3521, 4024, 5152, 5888, 7042, 8048, 10304, 11569, 14084, 16096, 20608, 23138, 28168, 32192, 41216, 46276, 56336, 64384, 80983, 92552, 112672, 128768, 161966, 185104, 225344, 323932, 370208, 450688, 647864, 740416, 901376, 1295728, 1480832, 2591456, 2961664, 5182912, 10365824, 20731648

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731647
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731648 can be divided by 72 positive divisors. The sum of these divisors (counting 20731648) is 1, the average is 0.013888888888889.

Base conversion 20731648

Base System Value
2 Binary 1001111000101011100000000
3 Ternary 1110000021110211
4 Quaternary 1033011130000
5 Quinary 20301403043
6 Senary 2020203504
8 Octal 117053400
10 Decimal 20731648
12 Duodecimal 6b39594
16 Hexadecimal 13c5700
20 Vigesimal 69b928
36 Base36 cccn4

Cryptographic Hash Functions

md5 ff4353f89b647fd5607b0e9f8357e01c
sha1 c121246611d370fe8cc027442561d8a700b64e8d
sha256 023d0eb14423195abb25927326411129f6c85471e86e5c82946888ef57ed1a28
sha512 65d38b10adee44b84bc5a663399dd5020b17ab2037ef4d2d9a4cc64de80c48ad6cc165f1950e8f395e1f946a90b7cda878c146b9f3bf8f0a72935f4d42ebed95
ripemd-160 26f74801511792a6d1914849732f1b1177b5bf3d

20731648 as geometric shapes

Circle

Radius = n
Diameter 41463296
Circumference 130260786.10722
Area 1.3502603828891E+15

Sphere

Radius = n
Volume 3.7324163955202E+22
Surface area 5.4010415315563E+15
Circumference 130260786.10722

Square

Length = n
Perimeter 82926592
Area 429801228795904
Diagonal 29318977.771945

Cube

Length = n
Surface area 2578807372775424
Volume 8.9104877853641E+21
Space diagonal 35908267.660634

Equilateral Triangle

Length = n
Perimeter 62194944
Area 1.8610939135751E+14
Altitude 17954133.830317

Triangular Pyramid

Length = n
Surface area 1.8610939135751E+14
Volume 1.0501110561185E+21
Height 9772992.5906484