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

20291391 (number)

20291391 is an odd 8-digits composite number following 20291390 and preceding 20291392. In scientific notation, it is written as 2.0291391 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13089600 positive integers (up to 20291391) that are relatively prime to 20291391.

Interesting facts

20291391 has 8 divisors, whose sum is 21207168
The reverse of 20291391 is 19319202
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million two hundred ninety-one thousand three hundred ninety-one

Notation

Scientific notation	2.0291391 × 10^7
Engineering notation	2.0291391 × 10^6

Prime Factorization of 20291391

Prime Factorization 81 × 31 × 8081

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20291391	Product of the distinct prime numbers

The prime factorization of 20291391 is 81 × 31 × 8081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 33, 79, 612, 87, 3214, 7254, 90517, 40462, 21221, 198976, 5985638, 865639, 68214264, 31993630, 381783764, 171308967, 8424044791, 3850294762

Basic calculations (n = 20291391)

Multiplication

n×y

n×2	40582782
n×3	60874173
n×4	81165564
n×5	101456955

Division

n÷y

n÷2	10145695.5
n÷3	6763797
n÷3	5072847.75
n÷5	4058278.2

Exponentiation

n^y

n²	411740548714881
n³	8.3547884645282E+21
n⁴	1.6953027945603E+29
n⁵	3.4400051867816E+36

Nth Root

^y√n

²√n	4504.5966523097
³√n	272.75367226267
⁴√n	67.116292003579
⁵√n	28.937590320785

Divisors of 20291391

1, 31, 81, 2511, 8081, 250511, 654561, 20291391

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	-20291390	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 20291391 can be divided by 8 positive divisors. The sum of these divisors (counting 20291391) is 1, the average is 0.125.

Base conversion 20291391

Base	System	Value
2	Binary	1001101011001111100111111
3	Ternary	1102011220120000
4	Quaternary	1031121330333
5	Quinary	20143311031
6	Senary	2002525343
8	Octal	115317477
10	Decimal	20291391
12	Duodecimal	6966853
16	Hexadecimal	1359f3f
20	Vigesimal	66g89b
36	Base36	c2wxr

Cryptographic Hash Functions

md5	6e8bbb0ae4e8470fdf2331c5877e416a
sha1	b9408ba9766912433726b61da73cd4bb8d5931b9
sha256	bffd29ed7de27f09631ccea9cc68f31406c72aca69fec35a46b88c533c6f3597
sha512	249f1648b9e2e4b012a1cc644541527725b9b9680e082c84df3c661a9a6f9659947bd6a0f2e4e1a320761f64e5dbf9ef194610abcaeba7cb811ccb555cdf03df
ripemd-160	b151bd190426a0287639cbd459b0e6c3d737d7a0

20291391 as geometric shapes

Circle

Radius = n

Diameter	40582782
Circumference	127494569.79344
Area	1.2935210830277E+15

Sphere

Radius = n

Volume	3.4996456083278E+22
Surface area	5.1740843321108E+15
Circumference	127494569.79344

Square

Length = n

Perimeter	81165564
Area	411740548714881
Diagonal	28696360.351615

Cube

Length = n

Surface area	2470443292289286
Volume	8.3547884645282E+21
Space diagonal	35145720.168246

Equilateral Triangle

Length = n

Perimeter	60874173
Area	1.7828888747762E+14
Altitude	17572860.084123

Triangular Pyramid

Length = n

Surface area	1.7828888747762E+14
Volume	9.8462126310784E+20
Height	9565453.4505385