20139868 (number)

20139868 is an even 8-digits composite number following 20139867 and preceding 20139869. In scientific notation, it is written as 2.0139868 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 8631360 positive integers (up to 20139868) that are relatively prime to 20139868.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0139868 × 10^7
Engineering notation 2.0139868 × 10^6

Prime Factorization of 20139868

Prime Factorization 2 × 2 × 7 × 719281

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10069934
Product of the distinct prime numbers

The prime factorization of 20139868 is 2 × 2 × 7 × 719281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 9, 47, 45, 953, 6009, 5006, 86894, 5727, 108044, 327323, 4408587, 4419131, 23813228, 24158720, 530053344, 519076852, 9422561579, 5999669465

Basic calculations (n = 20139868)

Multiplication

n×y
n×2 40279736
n×3 60419604
n×4 80559472
n×5 100699340

Division

n÷y
n÷2 10069934
n÷3 6713289.3333333
n÷3 5034967
n÷5 4027973.6

Exponentiation

ny
n2 405614283057424
n3 8.1690181196912E+21
n4 1.6452294662019E+29
n5 3.3134704279016E+36

Nth Root

y√n
2√n 4487.7464277742
3√n 272.07305923842
4√n 66.990644330191
5√n 28.894243205151

Divisors of 20139868

1, 2, 4, 7, 14, 28, 719281, 1438562, 2877124, 5034967, 10069934, 20139868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20139867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20139868 can be divided by 12 positive divisors. The sum of these divisors (counting 20139868) is 1, the average is 0.083333333333333.

Base conversion 20139868

Base System Value
2 Binary 1001100110100111101011100
3 Ternary 1101220012201001
4 Quaternary 1030310331130
5 Quinary 20123433433
6 Senary 1555400044
8 Octal 114647534
10 Decimal 20139868
12 Duodecimal 68b3024
16 Hexadecimal 1334f5c
20 Vigesimal 65h9d8
36 Base36 bzo0s

Cryptographic Hash Functions

md5 bed6185a784ac4aaa87fe49506aabeb1
sha1 7a66d54c0b1a86f41463ac013508686707423c76
sha256 1405e1ea881aabb3538ba95e8067750f6754264d7ffc7f62dec8a622c6247382
sha512 f0fda650cbe471cf550e58824e55ab1aff17613fc28b7242f3fd64b3e91d02600c5110fbddf6f128f0edf519718beef4cd4d555afcea0edee9a6cb9ca716836d
ripemd-160 f37129bab959980a84afb8d8ab6c70ce589c3a1b

20139868 as geometric shapes

Circle

Radius = n
Diameter 40279736
Circumference 126542522.70614
Area 1.2742748518443E+15

Sphere

Radius = n
Volume 3.4218303082485E+22
Surface area 5.0970994073772E+15
Circumference 126542522.70614

Square

Length = n
Perimeter 80559472
Area 405614283057424
Diagonal 28482074.470004

Cube

Length = n
Surface area 2433685698344544
Volume 8.1690181196912E+21
Space diagonal 34883274.633731

Equilateral Triangle

Length = n
Perimeter 60419604
Area 1.7563613663277E+14
Altitude 17441637.316865

Triangular Pyramid

Length = n
Surface area 1.7563613663277E+14
Volume 9.6272801801157E+20
Height 9494024.8233346