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

21081517 (number)

21081517 is an odd 8-digits prime number following 21081516 and preceding 21081518. In scientific notation, it is written as 2.1081517 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21081516 positive integers (up to 21081517) that are relatively prime to 21081517.

Interesting facts

21081517 has 2 divisors, whose sum is 21081518
The reverse of 21081517 is 71518012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million eighty-one thousand five hundred seventeen

Notation

Scientific notation	2.1081517 × 10^7
Engineering notation	2.1081517 × 10^6

Prime Factorization of 21081517

Prime Factorization 21081517

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21081517	Product of the distinct prime numbers

The prime factorization of 21081517 is 21081517. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 6, 79, 28, 922, 496, 9636, 664, 67171, 67731, 228816, 555214, 4796582, 1409153, 89276904, 65593826, 237887639, 996160088, 5813730394, 6368561635

Basic calculations (n = 21081517)

Multiplication

n×y

n×2	42163034
n×3	63244551
n×4	84326068
n×5	105407585

Division

n÷y

n÷2	10540758.5
n÷3	7027172.3333333
n÷3	5270379.25
n÷5	4216303.4

Exponentiation

n^y

n²	444430359021289
n³	9.3692661690234E+21
n⁴	1.9751834401979E+29
n⁵	4.1639863272651E+36

Nth Root

^y√n

²√n	4591.4613142223
³√n	276.24893961633
⁴√n	67.760322565808
⁵√n	29.159520072881

Divisors of 21081517

1, 21081517

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21081518	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10540759	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4591.4614231201	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999051302	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081517 can be divided by 2 positive divisors. The sum of these divisors (counting 21081517) is 21081518, the average is 10540759.

Base conversion 21081517

Base	System	Value
2	Binary	1010000011010110110101101
3	Ternary	1110200001101221
4	Quaternary	1100122312231
5	Quinary	20344102032
6	Senary	2031503341
8	Octal	120326655
10	Decimal	21081517
12	Duodecimal	7087b51
16	Hexadecimal	141adad
20	Vigesimal	6bf3fh
36	Base36	cjulp

Cryptographic Hash Functions

md5	b2c93a51eb180bfee3ccf44d6a1790d5
sha1	bbae9a8de975c00b21b556b9bc1faf6febd36eb3
sha256	9d4524f95cc063bc5f6fe9028f2c0d81678fb91924977fae701c95324b27fbbb
sha512	a2148bbcba199cf3d01f3b6d888ff5b4b14b10ceea103599c1187431a682ea3fd1d9184bc520c2f2d2d008fe5c8949f975888886f9beeea9048a42a6402193c7
ripemd-160	576cddc720684e684ad7713fdb6fab14ba820432

21081517 as geometric shapes

Circle

Radius = n

Diameter	42163034
Circumference	132459077.86746
Area	1.3962191509336E+15

Sphere

Radius = n

Volume	3.9245890354842E+22
Surface area	5.5848766037342E+15
Circumference	132459077.86746

Square

Length = n

Perimeter	84326068
Area	444430359021289
Diagonal	29813767.256799

Cube

Length = n

Surface area	2666582154127734
Volume	9.3692661690234E+21
Space diagonal	36514258.544627

Equilateral Triangle

Length = n

Perimeter	63244551
Area	1.9244399056274E+14
Altitude	18257129.272314

Triangular Pyramid

Length = n

Surface area	1.9244399056274E+14
Volume	1.104178607143E+21
Height	9937922.418933