20731808 (number)

20731808 is an even 8-digits composite number following 20731807 and preceding 20731809. In scientific notation, it is written as 2.0731808 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 24 positive divisors. There are 10031040 positive integers (up to 20731808) that are relatively prime to 20731808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731808 × 10^7
Engineering notation 2.0731808 × 10^6

Prime Factorization of 20731808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 31 × 20899

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1295738
Product of the distinct prime numbers

The prime factorization of 20731808 is 2 × 2 × 2 × 2 × 2 × 31 × 20899. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 1, 44, 59, 566, 322, 8583, 8576, 61985, 30230, 209708, 895051, 6435626, 1580540, 36443108, 9146951, 379408666, 292888550, 1487071769, 1077703433

Basic calculations (n = 20731808)

Multiplication

n×y
n×2 41463616
n×3 62195424
n×4 82927232
n×5 103659040

Division

n÷y
n÷2 10365904
n÷3 6910602.6666667
n÷3 5182952
n÷5 4146361.6

Exponentiation

ny
n2 429807862948864
n3 8.9106940915462E+21
n4 1.8473479905267E+29
n5 3.8298863848785E+36

Nth Root

y√n
2√n 4553.2195202955
3√n 274.71290368538
4√n 67.477548268261
5√n 29.062129632564

Divisors of 20731808

1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20899, 41798, 83596, 167192, 334384, 647869, 668768, 1295738, 2591476, 5182952, 10365904, 20731808

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731808 can be divided by 24 positive divisors. The sum of these divisors (counting 20731808) is 1, the average is 0.041666666666667.

Base conversion 20731808

Base System Value
2 Binary 1001111000101011110100000
3 Ternary 1110000021200202
4 Quaternary 1033011132200
5 Quinary 20301404213
6 Senary 2020204332
8 Octal 117053640
10 Decimal 20731808
12 Duodecimal 6b396a8
16 Hexadecimal 13c57a0
20 Vigesimal 69b9a8
36 Base36 cccrk

Cryptographic Hash Functions

md5 9f7832b158cd748a1d02e23ec8839f8e
sha1 4d879dbf1aef1961cb4e88a6dc3fa89bf6b00320
sha256 8ef7d294f6cf3126fa244a5340ae294f4b6d67f6e9a9f51d21f4937c42c618fb
sha512 d2c01262ba025df1e94f3e265d1c9b4152e450fb3360dc4e5753ae1508040425f24e65bb1b5be30bf6a0f8e56c7dd4a5c7b2e70453eb786135d9c74f147cd528
ripemd-160 97e57976076b8e649f9f1215e9f9744b8bb5e91d

20731808 as geometric shapes

Circle

Radius = n
Diameter 41463616
Circumference 130261791.41687
Area 1.3502812246953E+15

Sphere

Radius = n
Volume 3.7325028128517E+22
Surface area 5.4011248987811E+15
Circumference 130261791.41687

Square

Length = n
Perimeter 82927232
Area 429807862948864
Diagonal 29319204.046115

Cube

Length = n
Surface area 2578847177693184
Volume 8.9106940915462E+21
Space diagonal 35908544.788763

Equilateral Triangle

Length = n
Perimeter 62195424
Area 1.8611226403001E+14
Altitude 17954272.394381

Triangular Pyramid

Length = n
Surface area 1.8611226403001E+14
Volume 1.0501353695352E+21
Height 9773068.0153717