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

20389991 (number)

20389991 is an odd 8-digits prime number following 20389990 and preceding 20389992. In scientific notation, it is written as 2.0389991 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 20389990 positive integers (up to 20389991) that are relatively prime to 20389991.

Interesting facts

20389991 has 2 divisors, whose sum is 20389992
The reverse of 20389991 is 19998302
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty million three hundred eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation	2.0389991 × 10^7
Engineering notation	2.0389991 × 10^6

Prime Factorization of 20389991

Prime Factorization 20389991

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20389991	Product of the distinct prime numbers

The prime factorization of 20389991 is 20389991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 8, 34, 26, 818, 368, 3972, 6391, 6308, 92091, 63224, 866648, 8462807, 5121140, 11315390, 44135977, 931488775, 893152338, 587025914, 2690431140

Basic calculations (n = 20389991)

Multiplication

n×y

n×2	40779982
n×3	61169973
n×4	81559964
n×5	101949955

Division

n÷y

n÷2	10194995.5
n÷3	6796663.6666667
n÷3	5097497.75
n÷5	4077998.2

Exponentiation

n^y

n²	415751732980081
n³	8.4771740936983E+21
n⁴	1.7284950347594E+29
n⁵	3.5243998202289E+36

Nth Root

^y√n

²√n	4515.5277653891
³√n	273.19474714921
⁴√n	67.197676785653
⁵√n	28.965658546543

Divisors of 20389991

1, 20389991

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20389992	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10194996	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4515.5278761181	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999019127	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20389991 can be divided by 2 positive divisors. The sum of these divisors (counting 20389991) is 20389992, the average is 10194996.

Base conversion 20389991

Base	System	Value
2	Binary	1001101110010000001100111
3	Ternary	1102100220210212
4	Quaternary	1031302001213
5	Quinary	20204434431
6	Senary	2005010035
8	Octal	115620147
10	Decimal	20389991
12	Duodecimal	69b391b
16	Hexadecimal	1372067
20	Vigesimal	678ejb
36	Base36	c510n

Cryptographic Hash Functions

md5	776a1c2656be581d15f2e821451e852b
sha1	9b31238a72e46b8addd13024249687daf13ca553
sha256	daa848cc8accddb78254f6341f707cc5bf482d052206774690069d5d2ea3a83b
sha512	b81bbe725cf7f87493c8c2d5857b532da1dba1254611ec5229534fb53b123bc5db6d60ee7374049f3fd7145396c4d3ef3787c3a809f0519ea17a3658b9fad302
ripemd-160	0ea213bc2e8fabd64411514bc2a7080e061a8bf3

20389991 as geometric shapes

Circle

Radius = n

Diameter	40779982
Circumference	128114091.86472
Area	1.3061225900474E+15

Sphere

Radius = n

Volume	3.5509103807952E+22
Surface area	5.2244903601898E+15
Circumference	128114091.86472

Square

Length = n

Perimeter	81559964
Area	415751732980081
Diagonal	28835801.808865

Cube

Length = n

Surface area	2494510397880486
Volume	8.4771740936983E+21
Space diagonal	35316500.377872

Equilateral Triangle

Length = n

Perimeter	61169973
Area	1.8002578121408E+14
Altitude	17658250.188936

Triangular Pyramid

Length = n

Surface area	1.8002578121408E+14
Volume	9.9904454782549E+20
Height	9611933.9362884