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

20121731 (number)

20121731 is an odd 8-digits composite number following 20121730 and preceding 20121732. In scientific notation, it is written as 2.0121731 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 17114760 positive integers (up to 20121731) that are relatively prime to 20121731.

Interesting facts

20121731 has 8 divisors, whose sum is 23172864
The reverse of 20121731 is 13712102
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.0121731 × 10^7
Engineering notation	2.0121731 × 10^6

Prime Factorization of 20121731

Prime Factorization 7 × 131 × 21943

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121731	Product of the distinct prime numbers

The prime factorization of 20121731 is 7 × 131 × 21943. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 26, 49, 367, 437, 2142, 1860, 89561, 69978, 891465, 721243, 3941137, 168357, 26954473, 54155204, 751095623, 637542724, 2806438619, 3297197964

Basic calculations (n = 20121731)

Multiplication

n×y

n×2	40243462
n×3	60365193
n×4	80486924
n×5	100608655

Division

n÷y

n÷2	10060865.5
n÷3	6707243.6666667
n÷3	5030432.75
n÷5	4024346.2

Exponentiation

n^y

n²	404884058436361
n³	8.1469681100447E+21
n⁴	1.639311007759E+29
n⁵	3.2985775123465E+36

Nth Root

^y√n

²√n	4485.7252479393
³√n	271.99136272313
⁴√n	66.975557093161
⁵√n	28.889037175334

Divisors of 20121731

1, 7, 131, 917, 21943, 153601, 2874533, 20121731

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	-20121730	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 20121731 can be divided by 8 positive divisors. The sum of these divisors (counting 20121731) is 1, the average is 0.125.

Base conversion 20121731

Base	System	Value
2	Binary	1001100110000100010000011
3	Ternary	1101212021211022
4	Quaternary	1030300202003
5	Quinary	20122343411
6	Senary	1555140055
8	Octal	114604203
10	Decimal	20121731
12	Duodecimal	68a462b
16	Hexadecimal	1330883
20	Vigesimal	65f46b
36	Base36	bza0z

Cryptographic Hash Functions

md5	e597250c4595d496cf62d7750fee306a
sha1	fd3f7313cd9e0623f0c8c7892b4b9cf925af71a0
sha256	b76cba7d184da695a2af7a2477c9ea653d8d54929485328db902178eabe00fc8
sha512	3a16efcc12deb29c930f5c6859271b73ec2f71b7caba91c773eca64ebe326d4ed4d07ae3d4133bcc6102e49dd97e9f9d7c8404e7c8a33f0cde6ca057e1091706
ripemd-160	0ac59513328c2f588c1fd2288d80f7613339047b

20121731 as geometric shapes

Circle

Radius = n

Diameter	40243462
Circumference	126428564.57422
Area	1.2719807835393E+15

Sphere

Radius = n

Volume	3.4125940218062E+22
Surface area	5.0879231341572E+15
Circumference	126428564.57422

Square

Length = n

Perimeter	80486924
Area	404884058436361
Diagonal	28456424.878623

Cube

Length = n

Surface area	2429304350618166
Volume	8.1469681100447E+21
Space diagonal	34851860.428234

Equilateral Triangle

Length = n

Perimeter	60365193
Area	1.7531994009662E+14
Altitude	17425930.214117

Triangular Pyramid

Length = n

Surface area	1.7531994009662E+14
Volume	9.6012939945386E+20
Height	9485474.959541