Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20138639 (number)

20138639 is an odd 8-digits composite number following 20138638 and preceding 20138640. In scientific notation, it is written as 2.0138639 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19263024 positive integers (up to 20138639) that are relatively prime to 20138639.

Interesting facts

20138639 has 4 divisors, whose sum is 21014256
The reverse of 20138639 is 93683102
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0138639 × 10^7
Engineering notation	2.0138639 × 10^6

Prime Factorization of 20138639

Prime Factorization 23 × 875593

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20138639	Product of the distinct prime numbers

The prime factorization of 20138639 is 23 × 875593. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 2, 3, 26, 864, 1914, 9110, 10754, 79975, 541833, 897391, 1521383, 8004553, 45534772, 96376558, 340128231, 773466120, 9591400988, 8086407943

Basic calculations (n = 20138639)

Multiplication

n×y

n×2	40277278
n×3	60415917
n×4	80554556
n×5	100693195

Division

n÷y

n÷2	10069319.5
n÷3	6712879.6666667
n÷3	5034659.75
n÷5	4027727.8

Exponentiation

n^y

n²	405564780772321
n³	8.1675227110879E+21
n⁴	1.644827914029E+29
n⁵	3.3124595577753E+36

Nth Root

^y√n

²√n	4487.6094972713
³√n	272.06752486597
⁴√n	66.98962231026
⁵√n	28.893890552475

Divisors of 20138639

1, 23, 875593, 20138639

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20138638	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138639 can be divided by 4 positive divisors. The sum of these divisors (counting 20138639) is 1, the average is 0.25.

Base conversion 20138639

Base	System	Value
2	Binary	1001100110100101010001111
3	Ternary	1101220011000112
4	Quaternary	1030310222033
5	Quinary	20123414024
6	Senary	1555350235
8	Octal	114645217
10	Decimal	20138639
12	Duodecimal	68b237b
16	Hexadecimal	1334a8f
20	Vigesimal	65h6bj
36	Base36	bzn2n

Cryptographic Hash Functions

md5	136a9f2ea0a53558a553050a895b05fd
sha1	a304d1029c3ab974a620273adbf1c7a272d33061
sha256	590da7df9d6e4b811d02c838141001aec57f437de0a3c691ced532a6bdd38993
sha512	bd0cd9cc30ea8e84ae1ba92e2075a12b38aa12c5017f0730f21a83501cb263b4eba5d07275e21761484cc08fec954faa9408161c4c498203b947d800c7a00768
ripemd-160	b6e29492371b916f44030692eae16e24a23e53b3

20138639 as geometric shapes

Circle

Radius = n

Diameter	40277278
Circumference	126534800.67139
Area	1.2741193358291E+15

Sphere

Radius = n

Volume	3.4212039129575E+22
Surface area	5.0964773433163E+15
Circumference	126534800.67139

Square

Length = n

Perimeter	80554556
Area	405564780772321
Diagonal	28480336.401536

Cube

Length = n

Surface area	2433388684633926
Volume	8.1675227110879E+21
Space diagonal	34881145.943288

Equilateral Triangle

Length = n

Perimeter	60415917
Area	1.7561470151455E+14
Altitude	17440572.971644

Triangular Pyramid

Length = n

Surface area	1.7561470151455E+14
Volume	9.6255178241757E+20
Height	9493445.4671786