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

20139891 (number)

20139891 is an odd 8-digits composite number following 20139890 and preceding 20139892. In scientific notation, it is written as 2.0139891 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12963552 positive integers (up to 20139891) that are relatively prime to 20139891.

Interesting facts

20139891 has 8 divisors, whose sum is 27779280
The reverse of 20139891 is 19893102
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	2.0139891 × 10^7
Engineering notation	2.0139891 × 10^6

Prime Factorization of 20139891

Prime Factorization 3 × 29 × 231493

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20139891	Product of the distinct prime numbers

The prime factorization of 20139891 is 3 × 29 × 231493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 12, 55, 1, 135, 5335, 8458, 26019, 95237, 712663, 419476, 8843052, 6636171, 97176697, 96109638, 358541996, 708373759, 1285385996, 6969111726

Basic calculations (n = 20139891)

Multiplication

n×y

n×2	40279782
n×3	60419673
n×4	80559564
n×5	100699455

Division

n÷y

n÷2	10069945.5
n÷3	6713297
n÷3	5034972.75
n÷5	4027978.2

Exponentiation

n^y

n²	405615209491881
n³	8.1690461071086E+21
n⁴	1.6452369817114E+29
n⁵	3.3134893480837E+36

Nth Root

^y√n

²√n	4487.7489903068
³√n	272.07316280874
⁴√n	66.990663456237
⁵√n	28.894249804671

Divisors of 20139891

1, 3, 29, 87, 231493, 694479, 6713297, 20139891

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20139890	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20139891 can be divided by 8 positive divisors. The sum of these divisors (counting 20139891) is 1, the average is 0.125.

Base conversion 20139891

Base	System	Value
2	Binary	1001100110100111101110011
3	Ternary	1101220012201220
4	Quaternary	1030310331303
5	Quinary	20123434031
6	Senary	1555400123
8	Octal	114647563
10	Decimal	20139891
12	Duodecimal	68b3043
16	Hexadecimal	1334f73
20	Vigesimal	65h9eb
36	Base36	bzo1f

Cryptographic Hash Functions

md5	7d9a94eaa5588225cade45607fc60f77
sha1	11a2b7f81b64a5bd27b948c321e1748c7bfbd3a6
sha256	935f869de276c88f35c69900c413dcb82662e0f39f1fb7a84fa39e8cbc32ed87
sha512	2845730627deab79257ee669b1d2e9862b83e0ce2d72b4b3fcee449ce5a7d7a48778588463d33a3e52780aa6e8129ba5b87d4d818af69ed1f3a2cbf409802546
ripemd-160	dc51fdbc80422a19a1496eee7e9e8153cda7c64f

20139891 as geometric shapes

Circle

Radius = n

Diameter	40279782
Circumference	126542667.2194
Area	1.274277762324E+15

Sphere

Radius = n

Volume	3.4218420315905E+22
Surface area	5.0971110492959E+15
Circumference	126542667.2194

Square

Length = n

Perimeter	80559564
Area	405615209491881
Diagonal	28482106.996916

Cube

Length = n

Surface area	2433691256951286
Volume	8.1690461071086E+21
Space diagonal	34883314.470899

Equilateral Triangle

Length = n

Perimeter	60419673
Area	1.7563653779066E+14
Altitude	17441657.23545

Triangular Pyramid

Length = n

Surface area	1.7563653779066E+14
Volume	9.6273131636035E+20
Height	9494035.6656386