20138461 (number)

20138461 is an odd 8-digits composite number following 20138460 and preceding 20138462. In scientific notation, it is written as 2.0138461 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 16111872 positive integers (up to 20138461) that are relatively prime to 20138461.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand four hundred sixty-one

Notation

Scientific notation 2.0138461 × 10^7
Engineering notation 2.0138461 × 10^6

Prime Factorization of 20138461

Prime Factorization 97 × 7 × 7 × 19 × 223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2876923
Product of the distinct prime numbers

The prime factorization of 20138461 is 97 × 7 × 7 × 19 × 223. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 30, 83, 715, 450, 591, 2377, 72068, 88064, 700090, 193621, 934825, 3898850, 62207949, 91313818, 201667992, 713317819, 9829026508, 7774498658

Basic calculations (n = 20138461)

Multiplication

n×y
n×2 40276922
n×3 60415383
n×4 80553844
n×5 100692305

Division

n÷y
n÷2 10069230.5
n÷3 6712820.3333333
n÷3 5034615.25
n÷5 4027692.2

Exponentiation

ny
n2 405557611448521
n3 8.1673061414092E+21
n4 1.6447697620383E+29
n5 3.3123131706787E+36

Nth Root

y√n
2√n 4487.5896648424
3√n 272.06672328645
4√n 66.989474283968
5√n 28.893839475233

Divisors of 20138461

1, 7, 19, 49, 97, 133, 223, 679, 931, 1561, 1843, 4237, 4753, 10927, 12901, 21631, 29659, 90307, 151417, 207613, 410989, 1059919, 2876923, 20138461

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 -20138460
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 20138461 can be divided by 24 positive divisors. The sum of these divisors (counting 20138461) is 1, the average is 0.041666666666667.

Base conversion 20138461

Base System Value
2 Binary 1001100110100100111011101
3 Ternary 1101220010202221
4 Quaternary 1030310213131
5 Quinary 20123412321
6 Senary 1555345341
8 Octal 114644735
10 Decimal 20138461
12 Duodecimal 68b2251
16 Hexadecimal 13349dd
20 Vigesimal 65h631
36 Base36 bzmxp

Cryptographic Hash Functions

md5 9182f11ee6b3eb326e73de88cc1abff0
sha1 2955671e0615adf0f65c4586c607a42e486a1272
sha256 fa5afffa799bd8742ce0c638e52f9ad7274d1db65295db8ab4ab4026db0464fc
sha512 1407df0d075af9dbb3add50306426bb367b4b745c95a21fa23a9fe0e0d7dd60fcf9ff4cf297945ab74d354cefabc168b43c8728633586c248e1b084c4051e881
ripemd-160 4bdf50d8afd944779ada791f87112c0c21d004db

20138461 as geometric shapes

Circle

Radius = n
Diameter 40276922
Circumference 126533682.26441
Area 1.2740968127341E+15

Sphere

Radius = n
Volume 3.4211131964627E+22
Surface area 5.0963872509364E+15
Circumference 126533682.26441

Square

Length = n
Perimeter 80553844
Area 405557611448521
Diagonal 28480084.671522

Cube

Length = n
Surface area 2433345668691126
Volume 8.1673061414092E+21
Space diagonal 34880837.638244

Equilateral Triangle

Length = n
Perimeter 60415383
Area 1.7561159710628E+14
Altitude 17440418.819122

Triangular Pyramid

Length = n
Surface area 1.7561159710628E+14
Volume 9.6252625943616E+20
Height 9493361.5571739