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

20121245 (number)

20121245 is an odd 8-digits composite number following 20121244 and preceding 20121246. In scientific notation, it is written as 2.0121245 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 15969744 positive integers (up to 20121245) that are relatively prime to 20121245.

Interesting facts

20121245 has 8 divisors, whose sum is 24336384
The reverse of 20121245 is 54212102
Previous prime number is 127

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 two hundred forty-five

Notation

Scientific notation	2.0121245 × 10^7
Engineering notation	2.0121245 × 10^6

Prime Factorization of 20121245

Prime Factorization 5 × 127 × 31687

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121245	Product of the distinct prime numbers

The prime factorization of 20121245 is 5 × 127 × 31687. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 76, 39, 814, 800, 5337, 3125, 24045, 5223, 806129, 130594, 9527128, 7270352, 86245634, 45487084, 865244545, 800696750, 189106287, 6275705132

Basic calculations (n = 20121245)

Multiplication

n×y

n×2	40242490
n×3	60363735
n×4	80484980
n×5	100606225

Division

n÷y

n÷2	10060622.5
n÷3	6707081.6666667
n÷3	5030311.25
n÷5	4024249

Exponentiation

n^y

n²	404864500350025
n³	8.1463778033454E+21
n⁴	1.6391526364368E+29
n⁵	3.298179179014E+36

Nth Root

^y√n

²√n	4485.67107577
³√n	271.9891729038
⁴√n	66.975152674481
⁵√n	28.888897622651

Divisors of 20121245

1, 5, 127, 635, 31687, 158435, 4024249, 20121245

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	-20121244	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 20121245 can be divided by 8 positive divisors. The sum of these divisors (counting 20121245) is 1, the average is 0.125.

Base conversion 20121245

Base	System	Value
2	Binary	1001100110000011010011101
3	Ternary	1101212021011022
4	Quaternary	1030300122131
5	Quinary	20122334440
6	Senary	1555133525
8	Octal	114603235
10	Decimal	20121245
12	Duodecimal	68a42a5
16	Hexadecimal	133069d
20	Vigesimal	65f325
36	Base36	bz9nh

Cryptographic Hash Functions

md5	5d08d4f6debb01497dc413ea7a1149c2
sha1	4a9a9af07c986a252da78074126050963bf6f697
sha256	63b54b3a85fe01786873b6e5c0a7887563e5a148f72e33e97edf6a22ac137759
sha512	0a0103343acac97fe9ac8115bd5883ba4cd18fda95cd84198aa71bd161e631f6a0d8ec2713a99cc03dc501b5b963ec928e53a2358fa213df4381881d4623b87d
ripemd-160	87df0f01ef9b22232c87911ec7882e6a62801d68

20121245 as geometric shapes

Circle

Radius = n

Diameter	40242490
Circumference	126425510.94616
Area	1.2719193399989E+15

Sphere

Radius = n

Volume	3.4123467547143E+22
Surface area	5.0876773599958E+15
Circumference	126425510.94616

Square

Length = n

Perimeter	80484980
Area	404864500350025
Diagonal	28455737.570832

Cube

Length = n

Surface area	2429187002100150
Volume	8.1463778033454E+21
Space diagonal	34851018.651541

Equilateral Triangle

Length = n

Perimeter	60363735
Area	1.7531147119681E+14
Altitude	17425509.325771

Triangular Pyramid

Length = n

Surface area	1.7531147119681E+14
Volume	9.6005983114219E+20
Height	9485245.8569439