20139821 (number)

20139821 is an odd 8-digits composite number following 20139820 and preceding 20139822. In scientific notation, it is written as 2.0139821 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 18040320 positive integers (up to 20139821) that are relatively prime to 20139821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0139821 × 10^7
Engineering notation 2.0139821 × 10^6

Prime Factorization of 20139821

Prime Factorization 13 × 61 × 233 × 109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20139821
Product of the distinct prime numbers

The prime factorization of 20139821 is 13 × 61 × 233 × 109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 100, 50, 508, 75, 6212, 921, 48053, 34227, 753822, 333006, 6153776, 3335175, 24116210, 16073463, 428166688, 826505239, 338852771, 5638184744

Basic calculations (n = 20139821)

Multiplication

n×y
n×2 40279642
n×3 60419463
n×4 80559284
n×5 100699105

Division

n÷y
n÷2 10069910.5
n÷3 6713273.6666667
n÷3 5034955.25
n÷5 4027964.2

Exponentiation

ny
n2 405612389912041
n3 8.1689609282107E+21
n4 1.6452141085016E+29
n5 3.3134317651896E+36

Nth Root

y√n
2√n 4487.7411912899
3√n 272.07284759447
4√n 66.990605246481
5√n 28.894229719157

Divisors of 20139821

1, 13, 61, 109, 233, 793, 1417, 3029, 6649, 14213, 25397, 86437, 184769, 330161, 1549217, 20139821

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 -20139820
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 20139821 can be divided by 16 positive divisors. The sum of these divisors (counting 20139821) is 1, the average is 0.0625.

Base conversion 20139821

Base System Value
2 Binary 1001100110100111100101101
3 Ternary 1101220012122022
4 Quaternary 1030310330231
5 Quinary 20123433241
6 Senary 1555355525
8 Octal 114647455
10 Decimal 20139821
12 Duodecimal 68b2ba5
16 Hexadecimal 1334f2d
20 Vigesimal 65h9b1
36 Base36 bznzh

Cryptographic Hash Functions

md5 b30fb3499b95716b0555e844f325af57
sha1 caa4beb013d1d7a055572417e5b6c1b697508576
sha256 ae8d0aa6815d667a6a7e03554e0ef5a0ee90df4b0d927d37b00c2ebbdb6417d9
sha512 677de884004b98ddc9ed43ddbaef55bfd684ef587a1a14ce7d288fd8a4d7692ac3dfe0ae4460d54d17ed9f3efcf3fb968053c828c1b160fc21884fdd1879f76b
ripemd-160 f3923202ba70435b2c2e5b24c781e2a6b7e3740c

20139821 as geometric shapes

Circle

Radius = n
Diameter 40279642
Circumference 126542227.39643
Area 1.2742689043527E+15

Sphere

Radius = n
Volume 3.4218063519372E+22
Surface area 5.0970756174107E+15
Circumference 126542227.39643

Square

Length = n
Perimeter 80559284
Area 405612389912041
Diagonal 28482008.001966

Cube

Length = n
Surface area 2433674339472246
Volume 8.1689609282107E+21
Space diagonal 34883193.227343

Equilateral Triangle

Length = n
Perimeter 60419463
Area 1.7563531687677E+14
Altitude 17441596.613671

Triangular Pyramid

Length = n
Surface area 1.7563531687677E+14
Volume 9.6272127793096E+20
Height 9494002.6673222