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

21005071 (number)

21005071 is an odd 8-digits composite number following 21005070 and preceding 21005072. In scientific notation, it is written as 2.1005071 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20797000 positive integers (up to 21005071) that are relatively prime to 21005071.

Interesting facts

21005071 has 4 divisors, whose sum is 21213144
The reverse of 21005071 is 17050012
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million five thousand seventy-one

Notation

Scientific notation	2.1005071 × 10^7
Engineering notation	2.1005071 × 10^6

Prime Factorization of 21005071

Prime Factorization 101 × 207971

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21005071	Product of the distinct prime numbers

The prime factorization of 21005071 is 101 × 207971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 51, 28, 522, 936, 5485, 4931, 64519, 95977, 866362, 572232, 4766092, 4240423, 14558147, 46658612, 998383600, 646208065, 224928445, 2517872742

Basic calculations (n = 21005071)

Multiplication

n×y

n×2	42010142
n×3	63015213
n×4	84020284
n×5	105025355

Division

n÷y

n÷2	10502535.5
n÷3	7001690.3333333
n÷3	5251267.75
n÷5	4201014.2

Exponentiation

n^y

n²	441213007715041
n³	9.267710553178E+21
n⁴	1.9466891817695E+29
n⁵	4.0890344478001E+36

Nth Root

^y√n

²√n	4583.1289530189
³√n	275.91462300085
⁴√n	67.698810573147
⁵√n	29.138341625055

Divisors of 21005071

1, 101, 207971, 21005071

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	-21005070	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 21005071 can be divided by 4 positive divisors. The sum of these divisors (counting 21005071) is 1, the average is 0.25.

Base conversion 21005071

Base	System	Value
2	Binary	1010000001000001100001111
3	Ternary	1110112011112121
4	Quaternary	1100020030033
5	Quinary	20334130241
6	Senary	2030113411
8	Octal	120101417
10	Decimal	21005071
12	Duodecimal	704b867
16	Hexadecimal	140830f
20	Vigesimal	6b5cdb
36	Base36	ci7m7

Cryptographic Hash Functions

md5	53e09fd3cde4e4abae03ffa5d8359d5e
sha1	19e139b8a1c39dc96d7141052628c05c12194afe
sha256	8e72c607f4079cd092ab01c56e272bfb9d43569ec09d4e4bcad5eb289f605284
sha512	6a7a9b0ee63ce4d66cd67bce86593988413368d634fd0df5f6e7a4c097dce72a426d58c90a6b5039abe88480d815467a8ca210a9068efc0adf6318afc9b3fbc2
ripemd-160	c9c33b455b78614279162aa6c28001dfb86cb31c

21005071 as geometric shapes

Circle

Radius = n

Diameter	42010142
Circumference	131978753.48346
Area	1.3861115437058E+15

Sphere

Radius = n

Volume	3.8820495185947E+22
Surface area	5.5444461748233E+15
Circumference	131978753.48346

Square

Length = n

Perimeter	84020284
Area	441213007715041
Diagonal	29705656.28681

Cube

Length = n

Surface area	2647278046290246
Volume	9.267710553178E+21
Space diagonal	36381850.188592

Equilateral Triangle

Length = n

Perimeter	63015213
Area	1.9105083658068E+14
Altitude	18190925.094296

Triangular Pyramid

Length = n

Surface area	1.9105083658068E+14
Volume	1.0922101630377E+21
Height	9901885.4289366