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

21051645 (number)

21051645 is an odd 8-digits composite number following 21051644 and preceding 21051646. In scientific notation, it is written as 2.1051645 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 11227536 positive integers (up to 21051645) that are relatively prime to 21051645.

Interesting facts

21051645 has 8 divisors, whose sum is 33682656
The reverse of 21051645 is 54615012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-one million fifty-one thousand six hundred forty-five

Notation

Scientific notation	2.1051645 × 10^7
Engineering notation	2.1051645 × 10^6

Prime Factorization of 21051645

Prime Factorization 3 × 5 × 1403443

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21051645	Product of the distinct prime numbers

The prime factorization of 21051645 is 3 × 5 × 1403443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 11, 29, 789, 903, 3843, 2597, 82722, 89257, 545725, 669306, 4146981, 3058250, 1185922, 52480787, 411069428, 802519799, 9016624480, 8019614732

Basic calculations (n = 21051645)

Multiplication

n×y

n×2	42103290
n×3	63154935
n×4	84206580
n×5	105258225

Division

n÷y

n÷2	10525822.5
n÷3	7017215
n÷3	5262911.25
n÷5	4210329

Exponentiation

n^y

n²	443171757206025
n³	9.3294945067274E+21
n⁴	1.9640120638508E+29
n⁵	4.1345684743904E+36

Nth Root

^y√n

²√n	4588.2071662034
³√n	276.11839858245
⁴√n	67.736306115726
⁵√n	29.15125171811

Divisors of 21051645

1, 3, 5, 15, 1403443, 4210329, 7017215, 21051645

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	-21051644	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 21051645 can be divided by 8 positive divisors. The sum of these divisors (counting 21051645) is 1, the average is 0.125.

Base conversion 21051645

Base	System	Value
2	Binary	1010000010011100011111101
3	Ternary	1110121112102120
4	Quaternary	1100103203331
5	Quinary	20342123040
6	Senary	2031113153
8	Octal	120234375
10	Decimal	21051645
12	Duodecimal	70727b9
16	Hexadecimal	14138fd
20	Vigesimal	6bb925
36	Base36	cj7jx

Cryptographic Hash Functions

md5	a64d616a3d34333468c0fd452964ea5c
sha1	f28468351fcaf4e7d9ac9599d3cdd345f530722d
sha256	a003a4243e543f8e110236b6e4b3acd830835d363b7835273e64140cfc38bcd7
sha512	77e566e918f453ccaf8951863a17accae421c7d39cfdca2f49032b7b2ae34023cda38f4a348d143eeeaf1755a772ef085fc79ddca1f572b126350c195ce734b2
ripemd-160	b4a553c85addf3f6dd995cb01481749450c1d114

21051645 as geometric shapes

Circle

Radius = n

Diameter	42103290
Circumference	132271386.55596
Area	1.3922651367169E+15

Sphere

Radius = n

Volume	3.9079295205388E+22
Surface area	5.5690605468677E+15
Circumference	132271386.55596

Square

Length = n

Perimeter	84206580
Area	443171757206025
Diagonal	29771521.869264

Cube

Length = n

Surface area	2659030543236150
Volume	9.3294945067274E+21
Space diagonal	36462518.722903

Equilateral Triangle

Length = n

Perimeter	63154935
Area	1.918989999901E+14
Altitude	18231259.361452

Triangular Pyramid

Length = n

Surface area	1.918989999901E+14
Volume	1.0994914717916E+21
Height	9923840.6230879