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

20971391 (number)

20971391 is an odd 8-digits composite number following 20971390 and preceding 20971392. In scientific notation, it is written as 2.0971391 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17952480 positive integers (up to 20971391) that are relatively prime to 20971391.

Interesting facts

20971391 has 8 divisors, whose sum is 23997984
The reverse of 20971391 is 19317902
Previous prime number is 1093

Basic properties

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

Name

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

Notation

Scientific notation	2.0971391 × 10^7
Engineering notation	2.0971391 × 10^6

Prime Factorization of 20971391

Prime Factorization 7 × 1093 × 2741

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20971391	Product of the distinct prime numbers

The prime factorization of 20971391 is 7 × 1093 × 2741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 65, 67, 185, 794, 27, 3061, 1248, 22512, 195480, 814432, 8974468, 895035, 84667116, 26150350, 238364304, 67476576, 386671220, 9043943846

Basic calculations (n = 20971391)

Multiplication

n×y

n×2	41942782
n×3	62914173
n×4	83885564
n×5	104856955

Division

n÷y

n÷2	10485695.5
n÷3	6990463.6666667
n÷3	5242847.75
n÷5	4194278.2

Exponentiation

n^y

n²	439799240474881
n³	9.2232018335018E+21
n⁴	1.9342337192228E+29
n⁵	4.0563571611206E+36

Nth Root

^y√n

²√n	4579.45313329
³√n	275.76707488901
⁴√n	67.671656794333
⁵√n	29.128991412638

Divisors of 20971391

1, 7, 1093, 2741, 7651, 19187, 2995913, 20971391

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	-20971390	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 20971391 can be divided by 8 positive divisors. The sum of these divisors (counting 20971391) is 1, the average is 0.125.

Base conversion 20971391

Base	System	Value
2	Binary	1001111111111111101111111
3	Ternary	1110110110100012
4	Quaternary	1033333331333
5	Quinary	20332041031
6	Senary	2025253435
8	Octal	117777577
10	Decimal	20971391
12	Duodecimal	703427b
16	Hexadecimal	13fff7f
20	Vigesimal	6b189b
36	Base36	chhmn

Cryptographic Hash Functions

md5	310f19484d8d1bd057796c1b43050ecf
sha1	b1e9ed041013405cd4e2eb93bf50ab49159aef01
sha256	6917a25feec1a2068e8a2dd71cecef91ccd359332dcf0d7348e2e80564449a7e
sha512	0d5366aa4e6cc9855be2931d0c72094f7d0ba20d408c60cebf6915dcc9998605c35a27d9e8ec3e08ce17e8637431e5c9b1cb364434e40f12f51b6da79168671f
ripemd-160	f7231e59206bf0acb927f7bcebfff6b01a1c5add

20971391 as geometric shapes

Circle

Radius = n

Diameter	41942782
Circumference	131767135.80232
Area	1.3816700629303E+15

Sphere

Radius = n

Volume	3.863405749694E+22
Surface area	5.526680251721E+15
Circumference	131767135.80232

Square

Length = n

Perimeter	83885564
Area	439799240474881
Diagonal	29658025.574029

Cube

Length = n

Surface area	2638795442849286
Volume	9.2232018335018E+21
Space diagonal	36323514.717393

Equilateral Triangle

Length = n

Perimeter	62914173
Area	1.9043865740817E+14
Altitude	18161757.358696

Triangular Pyramid

Length = n

Surface area	1.9043865740817E+14
Volume	1.0869647601202E+21
Height	9886008.5246764