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

20281421 (number)

20281421 is an odd 8-digits composite number following 20281420 and preceding 20281422. In scientific notation, it is written as 2.0281421 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20084412 positive integers (up to 20281421) that are relatively prime to 20281421.

Interesting facts

20281421 has 4 divisors, whose sum is 20478432
The reverse of 20281421 is 12418202
Previous prime number is 103

Basic properties

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

Name

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

Notation

Scientific notation	2.0281421 × 10^7
Engineering notation	2.0281421 × 10^6

Prime Factorization of 20281421

Prime Factorization 103 × 196907

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20281421	Product of the distinct prime numbers

The prime factorization of 20281421 is 103 × 196907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 29, 18, 660, 506, 4609, 1122, 49156, 64255, 315643, 852793, 6385052, 1621609, 26857504, 11181283, 747175656, 576120095, 1047127787, 5763820542

Basic calculations (n = 20281421)

Multiplication

n×y

n×2	40562842
n×3	60844263
n×4	81125684
n×5	101407105

Division

n÷y

n÷2	10140710.5
n÷3	6760473.6666667
n÷3	5070355.25
n÷5	4056284.2

Exponentiation

n^y

n²	411336037779241
n³	8.3424793546727E+21
n⁴	1.6919733597593E+29
n⁵	3.4315624030062E+36

Nth Root

^y√n

²√n	4503.4898689794
³√n	272.70899322266
⁴√n	67.108046231278
⁵√n	28.934746114643

Divisors of 20281421

1, 103, 196907, 20281421

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	-20281420	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 20281421 can be divided by 4 positive divisors. The sum of these divisors (counting 20281421) is 1, the average is 0.25.

Base conversion 20281421

Base	System	Value
2	Binary	1001101010111100001001101
3	Ternary	1102011101212202
4	Quaternary	1031113201031
5	Quinary	20143001141
6	Senary	2002411245
8	Octal	115274115
10	Decimal	20281421
12	Duodecimal	6960b25
16	Hexadecimal	135784d
20	Vigesimal	66f3b1
36	Base36	c2p8t

Cryptographic Hash Functions

md5	f30bc3e9df6825503c8afca03e12e232
sha1	7b6dc8af3c3ac64abf796169961f183010f1cfa1
sha256	78c111502d14c48cfe39523fbe9de02bf675b6704c2eb58a94440a54167b5efe
sha512	0a76d0db5960aafc4d6a323709d4e64d0880fd31b0273f622af87e195f42b47650d07976f377719f18f78d1c0f23882af77255d994b981b570680fd9eae5b57b
ripemd-160	291e3c99f8f346f5a97871486a7336ca17bb8eb9

20281421 as geometric shapes

Circle

Radius = n

Diameter	40562842
Circumference	127431926.43592
Area	1.292250274444E+15

Sphere

Radius = n

Volume	3.4944895804486E+22
Surface area	5.169001097776E+15
Circumference	127431926.43592

Square

Length = n

Perimeter	81125684
Area	411336037779241
Diagonal	28682260.642399

Cube

Length = n

Surface area	2468016226675446
Volume	8.3424793546727E+21
Space diagonal	35128451.621694

Equilateral Triangle

Length = n

Perimeter	60844263
Area	1.7811372910443E+14
Altitude	17564225.810847

Triangular Pyramid

Length = n

Surface area	1.7811372910443E+14
Volume	9.8317062059964E+20
Height	9560753.5474662