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

21697645 (number)

21697645 is an odd 8-digits composite number following 21697644 and preceding 21697646. In scientific notation, it is written as 2.1697645 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 17358112 positive integers (up to 21697645) that are relatively prime to 21697645.

Interesting facts

21697645 has 4 divisors, whose sum is 26037180
The reverse of 21697645 is 54679612
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-one million six hundred ninety-seven thousand six hundred forty-five

Notation

Scientific notation	2.1697645 × 10^7
Engineering notation	2.1697645 × 10^6

Prime Factorization of 21697645

Prime Factorization 5 × 4339529

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21697645	Product of the distinct prime numbers

The prime factorization of 21697645 is 5 × 4339529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 12, 5, 494, 708, 3002, 4659, 98547, 73595, 77232, 243902, 9234442, 3291119, 89877082, 88878626, 270501460, 189325749, 1399861232, 4944891376

Basic calculations (n = 21697645)

Multiplication

n×y

n×2	43395290
n×3	65092935
n×4	86790580
n×5	108488225

Division

n÷y

n÷2	10848822.5
n÷3	7232548.3333333
n÷3	5424411.25
n÷5	4339529

Exponentiation

n^y

n²	470787798546025
n³	1.0214986523183E+22
n⁴	2.2164115125981E+29
n⁵	4.8090910174267E+36

Nth Root

^y√n

²√n	4658.0730994694
³√n	278.91435473654
⁴√n	68.250077651746
⁵√n	29.328004878942

Divisors of 21697645

1, 5, 4339529, 21697645

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	-21697644	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 21697645 can be divided by 4 positive divisors. The sum of these divisors (counting 21697645) is 1, the average is 0.25.

Base conversion 21697645

Base	System	Value
2	Binary	1010010110001010001101101
3	Ternary	1111211100120111
4	Quaternary	1102301101231
5	Quinary	21023311040
6	Senary	2053020021
8	Octal	122612155
10	Decimal	21697645
12	Duodecimal	7324611
16	Hexadecimal	14b146d
20	Vigesimal	6fc425
36	Base36	cx20d

Cryptographic Hash Functions

md5	8acb806318e96145aae5ad86b1455956
sha1	a7f31ba16cf257883db2444306ca99589d384f0a
sha256	c0886881e4b231a676319ae08f622b6ee5a2003de7a72487414ca681d71b84ce
sha512	2b53922d9b3af3cb69f491090927c8ef8489e2ed39004964bfa14955187473b01eff6e3eda3ded83b7109f14789d34b14c5ca0f8a844f24155b83305b193f34b
ripemd-160	ea285366fd640e5288b40ab17cbd4ac869903a2a

21697645 as geometric shapes

Circle

Radius = n

Diameter	43395290
Circumference	136330324.2644
Area	1.4790234893119E+15

Sphere

Radius = n

Volume	4.2788435490335E+22
Surface area	5.9160939572476E+15
Circumference	136330324.2644

Square

Length = n

Perimeter	86790580
Area	470787798546025
Diagonal	30685103.830557

Cube

Length = n

Surface area	2824726791276150
Volume	1.0214986523183E+22
Space diagonal	37581423.544593

Equilateral Triangle

Length = n

Perimeter	65092935
Area	2.038570966663E+14
Altitude	18790711.772296

Triangular Pyramid

Length = n

Surface area	2.038570966663E+14
Volume	1.203847706712E+21
Height	10228367.943519