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

20121791 (number)

20121791 is an odd 8-digits prime number following 20121790 and preceding 20121792. In scientific notation, it is written as 2.0121791 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 20121790 positive integers (up to 20121791) that are relatively prime to 20121791.

Interesting facts

20121791 has 2 divisors, whose sum is 20121792
The reverse of 20121791 is 19712102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million one hundred twenty-one thousand seven hundred ninety-one

Notation

Scientific notation	2.0121791 × 10^7
Engineering notation	2.0121791 × 10^6

Prime Factorization of 20121791

Prime Factorization 20121791

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20121791	Product of the distinct prime numbers

The prime factorization of 20121791 is 20121791. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 3, 71, 68, 736, 736, 9325, 641, 49181, 31050, 253198, 309318, 3019838, 8515202, 53560628, 89648066, 513912936, 963186025, 1982847776, 8834854201

Basic calculations (n = 20121791)

Multiplication

n×y

n×2	40243582
n×3	60365373
n×4	80487164
n×5	100608955

Division

n÷y

n÷2	10060895.5
n÷3	6707263.6666667
n÷3	5030447.75
n÷5	4024358.2

Exponentiation

n^y

n²	404886473047681
n³	8.1470409893926E+21
n⁴	1.6393305605699E+29
n⁵	3.29862669197E+36

Nth Root

^y√n

²√n	4485.731935816
³√n	271.99163306875
⁴√n	66.975607020885
⁵√n	28.889054403873

Divisors of 20121791

1, 20121791

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20121792	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10060896	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4485.7320472806	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999006053	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121791 can be divided by 2 positive divisors. The sum of these divisors (counting 20121791) is 20121792, the average is 10060896.

Base conversion 20121791

Base	System	Value
2	Binary	1001100110000100010111111
3	Ternary	1101212021220112
4	Quaternary	1030300202333
5	Quinary	20122344131
6	Senary	1555140235
8	Octal	114604277
10	Decimal	20121791
12	Duodecimal	68a467b
16	Hexadecimal	13308bf
20	Vigesimal	65f49b
36	Base36	bza2n

Cryptographic Hash Functions

md5	a4aad8fbe1f50db7c376695bc0b20ef7
sha1	ce48e7d475a3ea440cd8573ff7e85fd396936a9f
sha256	939b73a0f01f92b488da4ebd890269d01c90e9242070f63fa6320689e604f8d1
sha512	41b3c954d3a1dd2d858ece1f81e76816b521bf2a7288ef57c482dd5e3a33d8134716fe61d539c8fc8a690d7b6ea99511d1749d31a0ba1643b282a38411364e45
ripemd-160	5b9009826002fcbfa113815a9ececa927da87ca3

20121791 as geometric shapes

Circle

Radius = n

Diameter	40243582
Circumference	126428941.56534
Area	1.2719883692645E+15

Sphere

Radius = n

Volume	3.4126245494361E+22
Surface area	5.0879534770579E+15
Circumference	126428941.56534

Square

Length = n

Perimeter	80487164
Area	404886473047681
Diagonal	28456509.731437

Cube

Length = n

Surface area	2429318838286086
Volume	8.1470409893926E+21
Space diagonal	34851964.351282

Equilateral Triangle

Length = n

Perimeter	60365373
Area	1.7532098565399E+14
Altitude	17425982.175641

Triangular Pyramid

Length = n

Surface area	1.7532098565399E+14
Volume	9.6013798836737E+20
Height	9485503.2438123