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

20138891 (number)

20138891 is an odd 8-digits composite number following 20138890 and preceding 20138892. In scientific notation, it is written as 2.0138891 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20118984 positive integers (up to 20138891) that are relatively prime to 20138891.

Interesting facts

20138891 has 4 divisors, whose sum is 20158800
The reverse of 20138891 is 19883102
Previous prime number is 1069

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 eight hundred ninety-one

Notation

Scientific notation	2.0138891 × 10^7
Engineering notation	2.0138891 × 10^6

Prime Factorization of 20138891

Prime Factorization 1069 × 18839

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20138891	Product of the distinct prime numbers

The prime factorization of 20138891 is 1069 × 18839. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 18, 90, 29, 970, 5952, 4685, 51306, 64546, 13367, 3450, 1118344, 7020077, 67954288, 66586266, 933184164, 329432291, 8668836014, 880892860

Basic calculations (n = 20138891)

Multiplication

n×y

n×2	40277782
n×3	60416673
n×4	80555564
n×5	100694455

Division

n÷y

n÷2	10069445.5
n÷3	6712963.6666667
n÷3	5034722.75
n÷5	4027778.2

Exponentiation

n^y

n²	405574930709881
n³	8.1678293218988E+21
n⁴	1.6449102442032E+29
n⁵	3.3126668112793E+36

Nth Root

^y√n

²√n	4487.6375744928
³√n	272.06865967835
⁴√n	66.989831873896
⁵√n	28.893962863458

Divisors of 20138891

1, 1069, 18839, 20138891

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	-20138890	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 20138891 can be divided by 4 positive divisors. The sum of these divisors (counting 20138891) is 1, the average is 0.25.

Base conversion 20138891

Base	System	Value
2	Binary	1001100110100101110001011
3	Ternary	1101220011100212
4	Quaternary	1030310232023
5	Quinary	20123421031
6	Senary	1555351335
8	Octal	114645613
10	Decimal	20138891
12	Duodecimal	68b254b
16	Hexadecimal	1334b8b
20	Vigesimal	65h74b
36	Base36	bzn9n

Cryptographic Hash Functions

md5	22199fdc1c3dfdd9888595cfaff33162
sha1	11c8d7a49fc2806cd1f447395fd0fdb72166a817
sha256	17d2a555d5e8689780e1ee8ff3a49ef28d59cb3c62ca0020de4c009fc94e8fcb
sha512	8e1dbe0b8e3c49c0f4ea1bbd2d424ff33d074b3f0984853a7ddd00e30cf1655aaacd49c19ebb4b6a3b42ccc52578817779e6781fd3dd1c3a64e7adbb811c5f66
ripemd-160	9f8fcb6a4666549c0a001756d498a5d11649b64a

20138891 as geometric shapes

Circle

Radius = n

Diameter	40277782
Circumference	126536384.03409
Area	1.2741512227984E+15

Sphere

Radius = n

Volume	3.4213323457937E+22
Surface area	5.0966048911934E+15
Circumference	126536384.03409

Square

Length = n

Perimeter	80555564
Area	405574930709881
Diagonal	28480692.783353

Cube

Length = n

Surface area	2433449584259286
Volume	8.1678293218988E+21
Space diagonal	34881582.420092

Equilateral Triangle

Length = n

Perimeter	60416673
Area	1.7561909656644E+14
Altitude	17440791.210046

Triangular Pyramid

Length = n

Surface area	1.7561909656644E+14
Volume	9.6258791684817E+20
Height	9493564.2611178