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

21953721 (number)

21953721 is an odd 8-digits composite number following 21953720 and preceding 21953722. In scientific notation, it is written as 2.1953721 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13865472 positive integers (up to 21953721) that are relatively prime to 21953721.

Interesting facts

21953721 has 4 divisors, whose sum is 22338932
The reverse of 21953721 is 12735912
Previous prime number is 57

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million nine hundred fifty-three thousand seven hundred twenty-one

Notation

Scientific notation	2.1953721 × 10^7
Engineering notation	2.1953721 × 10^6

Prime Factorization of 21953721

Prime Factorization 57 × 385153

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21953721	Product of the distinct prime numbers

The prime factorization of 21953721 is 57 × 385153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 93, 38, 962, 449, 387, 4116, 20890, 69936, 77562, 704754, 3243955, 9209346, 81779892, 98127997, 812690243, 7774520, 9397170529, 8592229799

Basic calculations (n = 21953721)

Multiplication

n×y

n×2	43907442
n×3	65861163
n×4	87814884
n×5	109768605

Division

n÷y

n÷2	10976860.5
n÷3	7317907
n÷3	5488430.25
n÷5	4390744.2

Exponentiation

n^y

n²	481965865745841
n³	1.0580944148108E+22
n⁴	2.3229109574414E+29
n⁵	5.0996539067511E+36

Nth Root

^y√n

²√n	4685.4798046732
³√n	280.00731698566
⁴√n	68.450564677533
⁵√n	29.39690630103

Divisors of 21953721

1, 57, 385153, 21953721

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	-21953720	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 21953721 can be divided by 4 positive divisors. The sum of these divisors (counting 21953721) is 1, the average is 0.25.

Base conversion 21953721

Base	System	Value
2	Binary	1010011101111110010111001
3	Ternary	1112022100211210
4	Quaternary	1103233302321
5	Quinary	21110004341
6	Senary	2102313333
8	Octal	123576271
10	Decimal	21953721
12	Duodecimal	7428849
16	Hexadecimal	14efcb9
20	Vigesimal	6h4461
36	Base36	d2jll

Cryptographic Hash Functions

md5	dad1e7acf4136740227393f007690447
sha1	bf83d25da3a8fcb9f42b12a2f5da58d3b17ff0f7
sha256	b13b22b3dd825a3f3a3a0a6fc0726e1b454e1a5af48c17aa8326c345d6fa0ee4
sha512	0840ec5a9887c254666656729cbdc26cebbbb182c44d91a668791bafcfa7a32d9a0a24e7b390363d2ad64b91ea1446f0014090c0241b04778e52a21042e51a32
ripemd-160	af14f6a0a570bf889c14fd2dd5fa195e5d75e9d3

21953721 as geometric shapes

Circle

Radius = n

Diameter	43907442
Circumference	137939297.22512
Area	1.5141404231082E+15

Sphere

Radius = n

Volume	4.4321355204985E+22
Surface area	6.0565616924327E+15
Circumference	137939297.22512

Square

Length = n

Perimeter	87814884
Area	481965865745841
Diagonal	31047249.982755

Cube

Length = n

Surface area	2891795194475046
Volume	1.0580944148108E+22
Space diagonal	38024960.187192

Equilateral Triangle

Length = n

Perimeter	65861163
Area	2.0869734174643E+14
Altitude	19012480.093596

Triangular Pyramid

Length = n

Surface area	2.0869734174643E+14
Volume	1.2469762264138E+21
Height	10349083.327585