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

21091355 (number)

21091355 is an odd 8-digits composite number following 21091354 and preceding 21091356. In scientific notation, it is written as 2.1091355 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 16873080 positive integers (up to 21091355) that are relatively prime to 21091355.

Interesting facts

21091355 has 4 divisors, whose sum is 25309632
The reverse of 21091355 is 55319012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million ninety-one thousand three hundred fifty-five

Notation

Scientific notation	2.1091355 × 10^7
Engineering notation	2.1091355 × 10^6

Prime Factorization of 21091355

Prime Factorization 5 × 4218271

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21091355	Product of the distinct prime numbers

The prime factorization of 21091355 is 5 × 4218271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 80, 83, 451, 928, 5498, 7977, 3996, 83643, 774534, 307145, 9923047, 6911197, 47331111, 20491788, 106217420, 357799482, 6730341996, 9508439802

Basic calculations (n = 21091355)

Multiplication

n×y

n×2	42182710
n×3	63274065
n×4	84365420
n×5	105456775

Division

n÷y

n÷2	10545677.5
n÷3	7030451.6666667
n÷3	5272838.75
n÷5	4218271

Exponentiation

n^y

n²	444845255736025
n³	9.3823892087943E+21
n⁴	1.9788730155085E+29
n⁵	4.173711327001E+36

Nth Root

^y√n

²√n	4592.5325257422
³√n	276.2919048106
⁴√n	67.768226520562
⁵√n	29.162241108794

Divisors of 21091355

1, 5, 4218271, 21091355

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	-21091354	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 21091355 can be divided by 4 positive divisors. The sum of these divisors (counting 21091355) is 1, the average is 0.25.

Base conversion 21091355

Base	System	Value
2	Binary	1010000011101010000011011
3	Ternary	1110200112220022
4	Quaternary	1100131100123
5	Quinary	20344410410
6	Senary	2032021055
8	Octal	120352033
10	Decimal	21091355
12	Duodecimal	709178b
16	Hexadecimal	141d41b
20	Vigesimal	6bg87f
36	Base36	ck26z

Cryptographic Hash Functions

md5	7ada0870fa1348275d913689337b7abe
sha1	3aac2a837418e403b4f56450d46286d98d6ac014
sha256	ecfe525432dc2e237866d63336bdfd2fccf5d47a9107e74efeae4f8b8fd8c448
sha512	0a1c787d35bc6fdcbbd3c85421db6c1da26908b6cdb0e7e7997cdd04bebf85093a086932b7afd8aa63c762a65481cd12a2e6949fb96a2c9a4faf7fdacfb3766f
ripemd-160	f113501add5c99d79ba2cbed221c11a8b18e270f

21091355 as geometric shapes

Circle

Radius = n

Diameter	42182710
Circumference	132520891.84451
Area	1.3975225874046E+15

Sphere

Radius = n

Volume	3.9300860015291E+22
Surface area	5.5900903496183E+15
Circumference	132520891.84451

Square

Length = n

Perimeter	84365420
Area	444845255736025
Diagonal	29827680.289826

Cube

Length = n

Surface area	2669071534416150
Volume	9.3823892087943E+21
Space diagonal	36531298.460472

Equilateral Triangle

Length = n

Perimeter	63274065
Area	1.9262364611019E+14
Altitude	18265649.230236

Triangular Pyramid

Length = n

Surface area	1.9262364611019E+14
Volume	1.1057251722117E+21
Height	9942560.0966085