20138872 (number)

20138872 is an even 8-digits composite number following 20138871 and preceding 20138873. In scientific notation, it is written as 2.0138872 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 9066240 positive integers (up to 20138872) that are relatively prime to 20138872.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand eight hundred seventy-two

Notation

Scientific notation 2.0138872 × 10^7
Engineering notation 2.0138872 × 10^6

Prime Factorization of 20138872

Prime Factorization 2 × 2 × 2 × 13 × 41 × 4723

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5034718
Product of the distinct prime numbers

The prime factorization of 20138872 is 2 × 2 × 2 × 13 × 41 × 4723. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 1, 61, 76, 265, 615, 5913, 1512, 1639, 26785, 42529, 173243, 8672734, 9188501, 45962444, 23203548, 367529050, 768845874, 1158398518, 6686932199

Basic calculations (n = 20138872)

Multiplication

n×y
n×2 40277744
n×3 60416616
n×4 80555488
n×5 100694360

Division

n÷y
n÷2 10069436
n÷3 6712957.3333333
n÷3 5034718
n÷5 4027774.4

Exponentiation

ny
n2 405574165432384
n3 8.1678062041496E+21
n4 1.6449040366617E+29
n5 3.3126511846614E+36

Nth Root

y√n
2√n 4487.6354575656
3√n 272.06857411743
4√n 66.989816073532
5√n 28.893957411465

Divisors of 20138872

1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4723, 9446, 18892, 37784, 61399, 122798, 193643, 245596, 387286, 491192, 774572, 1549144, 2517359, 5034718, 10069436, 20138872

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 -20138871
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 20138872 can be divided by 32 positive divisors. The sum of these divisors (counting 20138872) is 1, the average is 0.03125.

Base conversion 20138872

Base System Value
2 Binary 1001100110100101101111000
3 Ternary 1101220011100011
4 Quaternary 1030310231320
5 Quinary 20123420442
6 Senary 1555351304
8 Octal 114645570
10 Decimal 20138872
12 Duodecimal 68b2534
16 Hexadecimal 1334b78
20 Vigesimal 65h73c
36 Base36 bzn94

Cryptographic Hash Functions

md5 bc7f701ba699a9684a667ad5129605ae
sha1 df2d6237cc8db11a4b5833883724578ff9177be7
sha256 f23a5d85e736703d07e4c18aa61f02008c70231d7b95e4348f658ad261438a73
sha512 4b844fb7b45669e683346327606cdb1e15873bd4f20827b983967367fd90f5adf8639ff10ce9bd1eb94bf8608c2884b15b07241bc7d5f1e11c72af2693417b1c
ripemd-160 2ef5c9363131946c7748ff11fe766e748a3e99cd

20138872 as geometric shapes

Circle

Radius = n
Diameter 40277744
Circumference 126536264.65357
Area 1.2741488186082E+15

Sphere

Radius = n
Volume 3.4213226622535E+22
Surface area 5.0965952744328E+15
Circumference 126536264.65357

Square

Length = n
Perimeter 80555488
Area 405574165432384
Diagonal 28480665.913296

Cube

Length = n
Surface area 2433444992594304
Volume 8.1678062041496E+21
Space diagonal 34881549.511126

Equilateral Triangle

Length = n
Perimeter 60416616
Area 1.7561876519156E+14
Altitude 17440774.755563

Triangular Pyramid

Length = n
Surface area 1.7561876519156E+14
Volume 9.6258519239529E+20
Height 9493555.3044319