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

20121455 (number)

20121455 is an odd 8-digits composite number following 20121454 and preceding 20121456. In scientific notation, it is written as 2.0121455 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 15150208 positive integers (up to 20121455) that are relatively prime to 20121455.

Interesting facts

20121455 has 8 divisors, whose sum is 25566192
The reverse of 20121455 is 55412102
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million one hundred twenty-one thousand four hundred fifty-five

Notation

Scientific notation	2.0121455 × 10^7
Engineering notation	2.0121455 × 10^6

Prime Factorization of 20121455

Prime Factorization 5 × 17 × 236723

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121455	Product of the distinct prime numbers

The prime factorization of 20121455 is 5 × 17 × 236723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 18, 82, 925, 82, 775, 3120, 90879, 2422, 484416, 817185, 774478, 4627886, 92110790, 18139142, 963398655, 962262389, 5777879594, 4969507449

Basic calculations (n = 20121455)

Multiplication

n×y

n×2	40242910
n×3	60364365
n×4	80485820
n×5	100607275

Division

n÷y

n÷2	10060727.5
n÷3	6707151.6666667
n÷3	5030363.75
n÷5	4024291

Exponentiation

n^y

n²	404872951317025
n³	8.1466328706427E+21
n⁴	1.6392210670816E+29
n⁵	3.2983512936334E+36

Nth Root

^y√n

²√n	4485.6944835778
³√n	271.99011912636
⁴√n	66.975327424192
⁵√n	28.888957923524

Divisors of 20121455

1, 5, 17, 85, 236723, 1183615, 4024291, 20121455

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	-20121454	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 20121455 can be divided by 8 positive divisors. The sum of these divisors (counting 20121455) is 1, the average is 0.125.

Base conversion 20121455

Base	System	Value
2	Binary	1001100110000011101101111
3	Ternary	1101212021110002
4	Quaternary	1030300131233
5	Quinary	20122341310
6	Senary	1555134515
8	Octal	114603557
10	Decimal	20121455
12	Duodecimal	68a443b
16	Hexadecimal	133076f
20	Vigesimal	65f3cf
36	Base36	bz9tb

Cryptographic Hash Functions

md5	ed31b7878657c4c4511ee1bcc0949003
sha1	e536d5af176d7d5a33465ca5b05fa4f928cd709b
sha256	d7aa1fa47a5dc2c437e05481bf36f9611656df1ec81e5b3805c3bf61e06e4a46
sha512	080227ad37067e3a71c2e9cac4c278a706f9a74a9b738ed05ea2b4d1b229375cf1079b5f5462ce13d99c40ff3b445046171798c3f8d57dbcbf5539e78aaed14b
ripemd-160	0e96eb8e75428de9f2fd6fac48ded09a186c6090

20121455 as geometric shapes

Circle

Radius = n

Diameter	40242910
Circumference	126426830.41508
Area	1.2719458894948E+15

Sphere

Radius = n

Volume	3.4124535970539E+22
Surface area	5.0877835579791E+15
Circumference	126426830.41508

Square

Length = n

Perimeter	80485820
Area	404872951317025
Diagonal	28456034.55568

Cube

Length = n

Surface area	2429237707902150
Volume	8.1466328706427E+21
Space diagonal	34851382.382211

Equilateral Triangle

Length = n

Perimeter	60364365
Area	1.7531513057286E+14
Altitude	17425691.191105

Triangular Pyramid

Length = n

Surface area	1.7531513057286E+14
Volume	9.6008989111145E+20
Height	9485344.8518933