20138871 (number)

20138871 is an odd 8-digits composite number following 20138870 and preceding 20138872. In scientific notation, it is written as 2.0138871 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12831360 positive integers (up to 20138871) that are relatively prime to 20138871.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138871 × 10^7
Engineering notation 2.0138871 × 10^6

Prime Factorization of 20138871

Prime Factorization 3 × 31 × 83 × 2609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138871
Product of the distinct prime numbers

The prime factorization of 20138871 is 3 × 31 × 83 × 2609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 59, 47, 241, 264, 4648, 1685, 6062, 6950, 223769, 254578, 8034425, 5466053, 89823559, 73150592, 710422854, 247040123, 5615240281, 932037645

Basic calculations (n = 20138871)

Multiplication

n×y
n×2 40277742
n×3 60416613
n×4 80555484
n×5 100694355

Division

n÷y
n÷2 10069435.5
n÷3 6712957
n÷3 5034717.75
n÷5 4027774.2

Exponentiation

ny
n2 405574125154641
n3 8.1678049874272E+21
n4 1.6449037099495E+29
n5 3.3126503622095E+36

Nth Root

y√n
2√n 4487.6353461483
3√n 272.06856961422
4√n 66.989815241933
5√n 28.893957124518

Divisors of 20138871

1, 3, 31, 83, 93, 249, 2573, 2609, 7719, 7827, 80879, 216547, 242637, 649641, 6712957, 20138871

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138870
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138871 can be divided by 16 positive divisors. The sum of these divisors (counting 20138871) is 1, the average is 0.0625.

Base conversion 20138871

Base System Value
2 Binary 1001100110100101101110111
3 Ternary 1101220011100010
4 Quaternary 1030310231313
5 Quinary 20123420441
6 Senary 1555351303
8 Octal 114645567
10 Decimal 20138871
12 Duodecimal 68b2533
16 Hexadecimal 1334b77
20 Vigesimal 65h73b
36 Base36 bzn93

Cryptographic Hash Functions

md5 d4e0e157ada121dc49406f8909de6ccb
sha1 eed58a47a08a85eb2cbe7389ef154d2171c6bacb
sha256 ae23ac79729b850ec56f0c5d6a4c90c3cb88027f94c614abcc1335a0941f9ff4
sha512 658a042e789acf44104e58e1929383029977a00adc597f33e2dd92fef3564e19d4468c4d1ea97f05e10147c8dbac3a2ffac3b359b402b6a4d8ef84ee844229e5
ripemd-160 677ab220ff33e37dc7cdc1c83dc7acf1bfafbe41

20138871 as geometric shapes

Circle

Radius = n
Diameter 40277742
Circumference 126536258.37039
Area 1.2741486920719E+15

Sphere

Radius = n
Volume 3.421322152594E+22
Surface area 5.0965947682877E+15
Circumference 126536258.37039

Square

Length = n
Perimeter 80555484
Area 405574125154641
Diagonal 28480664.499082

Cube

Length = n
Surface area 2433444750927846
Volume 8.1678049874272E+21
Space diagonal 34881547.779075

Equilateral Triangle

Length = n
Perimeter 60416613
Area 1.7561874775078E+14
Altitude 17440773.889538

Triangular Pyramid

Length = n
Surface area 1.7561874775078E+14
Volume 9.6258504900318E+20
Height 9493554.8330274