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

20121421 (number)

20121421 is an odd 8-digits composite number following 20121420 and preceding 20121422. In scientific notation, it is written as 2.0121421 × 10^7. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 18937792 positive integers (up to 20121421) that are relatively prime to 20121421.

Interesting facts

20121421 has 4 divisors, whose sum is 21305052
The reverse of 20121421 is 12412102
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4

Name

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

Notation

Scientific notation	2.0121421 × 10^7
Engineering notation	2.0121421 × 10^6

Prime Factorization of 20121421

Prime Factorization 17 × 1183613

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121421	Product of the distinct prime numbers

The prime factorization of 20121421 is 17 × 1183613. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 27, 50, 82, 56, 7094, 1607, 29664, 92428, 933835, 208199, 1679946, 304315, 4343371, 67491428, 486444419, 660448832, 9752040351, 3267651053

Basic calculations (n = 20121421)

Multiplication

n×y

n×2	40242842
n×3	60364263
n×4	80485684
n×5	100607105

Division

n÷y

n÷2	10060710.5
n÷3	6707140.3333333
n÷3	5030355.25
n÷5	4024284.2

Exponentiation

n^y

n²	404871583059241
n³	8.1465915736715E+21
n⁴	1.639209987689E+29
n⁵	3.2983234269694E+36

Nth Root

^y√n

²√n	4485.6906937505
³√n	271.98996592887
⁴√n	66.975299131475
⁵√n	28.88894816056

Divisors of 20121421

1, 17, 1183613, 20121421

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121420	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121421 can be divided by 4 positive divisors. The sum of these divisors (counting 20121421) is 1, the average is 0.25.

Base conversion 20121421

Base	System	Value
2	Binary	1001100110000011101001101
3	Ternary	1101212021101211
4	Quaternary	1030300131031
5	Quinary	20122341141
6	Senary	1555134421
8	Octal	114603515
10	Decimal	20121421
12	Duodecimal	68a4411
16	Hexadecimal	133074d
20	Vigesimal	65f3b1
36	Base36	bz9sd

Cryptographic Hash Functions

md5	534b166698b3ad4aebf155176f815c43
sha1	62ec9067125eed187f6578a3eca9198902a813cd
sha256	5aceabfcc2675899f4c5a201087dd85a56cf5bb00ab25f0c48ca3004f92a4d49
sha512	ffcb0495f5ecccbbd5b51dcede157cbaa67ed2a0c160675218baa7e8d8fc01404ffc7642f6501eea41f1d9fb95a8c60e7afe15ecee89367594230009885a1504
ripemd-160	81caff987d25d2d9036b78d4d98f37ee204991e8

20121421 as geometric shapes

Circle

Radius = n

Diameter	40242842
Circumference	126426616.78677
Area	1.2719415909862E+15

Sphere

Radius = n

Volume	3.412436298619E+22
Surface area	5.0877663639447E+15
Circumference	126426616.78677

Square

Length = n

Perimeter	80485684
Area	404871583059241
Diagonal	28455986.472419

Cube

Length = n

Surface area	2429229498355446
Volume	8.1465915736715E+21
Space diagonal	34851323.492483

Equilateral Triangle

Length = n

Perimeter	60364263
Area	1.7531453809986E+14
Altitude	17425661.746242

Triangular Pyramid

Length = n

Surface area	1.7531453809986E+14
Volume	9.6008502421671E+20
Height	9485328.8241396