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

20121931 (number)

20121931 is an odd 8-digits composite number following 20121930 and preceding 20121932. In scientific notation, it is written as 2.0121931 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 17941248 positive integers (up to 20121931) that are relatively prime to 20121931.

Interesting facts

20121931 has 8 divisors, whose sum is 22427280
The reverse of 20121931 is 13912102
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty million one hundred twenty-one thousand nine hundred thirty-one

Notation

Scientific notation	2.0121931 × 10^7
Engineering notation	2.0121931 × 10^6

Prime Factorization of 20121931

Prime Factorization 19 × 17 × 62297

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121931	Product of the distinct prime numbers

The prime factorization of 20121931 is 19 × 17 × 62297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 99, 49, 355, 366, 6992, 8362, 65692, 36805, 207447, 732752, 9490897, 4153347, 85744820, 60390278, 74315609, 881999855, 3449186879, 9018700359

Basic calculations (n = 20121931)

Multiplication

n×y

n×2	40243862
n×3	60365793
n×4	80487724
n×5	100609655

Division

n÷y

n÷2	10060965.5
n÷3	6707310.3333333
n÷3	5030482.75
n÷5	4024386.2

Exponentiation

n^y

n²	404892107168761
n³	8.1472110428944E+21
n⁴	1.6393761844756E+29
n⁵	3.2987414467061E+36

Nth Root

^y√n

²√n	4485.747540823
³√n	271.99226387311
⁴√n	66.975723518474
⁵√n	28.889094603638

Divisors of 20121931

1, 17, 19, 323, 62297, 1059049, 1183643, 20121931

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	-20121930	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 20121931 can be divided by 8 positive divisors. The sum of these divisors (counting 20121931) is 1, the average is 0.125.

Base conversion 20121931

Base	System	Value
2	Binary	1001100110000100101001011
3	Ternary	1101212022002201
4	Quaternary	1030300211023
5	Quinary	20122400211
6	Senary	1555141031
8	Octal	114604513
10	Decimal	20121931
12	Duodecimal	68a4777
16	Hexadecimal	133094b
20	Vigesimal	65f4gb
36	Base36	bza6j

Cryptographic Hash Functions

md5	f50a73b2f325134bbb8919cf7e1e68bb
sha1	c0bca97248b223cd875991e4295a28f1410bdcbf
sha256	2ac352a9f70c2a9257318c342e6fd1b38fb1496d537b947734459b6b3358d71a
sha512	d841a41aa44eb85d0571c80a31e69e5333491024b7e404b2c3e8687216185b8397f88bb18242ab6888403e2cb3de76c52856ceb071a8f12959a6d59eb119e307
ripemd-160	768e83c4e179008baf3c7af8242fae5a87e5db3e

20121931 as geometric shapes

Circle

Radius = n

Diameter	40243862
Circumference	126429821.21128
Area	1.2720060693779E+15

Sphere

Radius = n

Volume	3.4126957812804E+22
Surface area	5.0880242775115E+15
Circumference	126429821.21128

Square

Length = n

Perimeter	80487724
Area	404892107168761
Diagonal	28456707.721336

Cube

Length = n

Surface area	2429352643012566
Volume	8.1472110428944E+21
Space diagonal	34852206.838395

Equilateral Triangle

Length = n

Perimeter	60365793
Area	1.7532342529998E+14
Altitude	17426103.419198

Triangular Pyramid

Length = n

Surface area	1.7532342529998E+14
Volume	9.6015802936476E+20
Height	9485569.2404452