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

21091409 (number)

21091409 is an odd 8-digits prime number following 21091408 and preceding 21091410. In scientific notation, it is written as 2.1091409 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21091408 positive integers (up to 21091409) that are relatively prime to 21091409.

Interesting facts

21091409 has 2 divisors, whose sum is 21091410
The reverse of 21091409 is 90419012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million ninety-one thousand four hundred nine

Notation

Scientific notation	2.1091409 × 10^7
Engineering notation	2.1091409 × 10^6

Prime Factorization of 21091409

Prime Factorization 21091409

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21091409	Product of the distinct prime numbers

The prime factorization of 21091409 is 21091409. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 2, 11, 28, 868, 731, 1659, 3753, 70402, 3755, 583640, 659121, 9926056, 9724014, 83371644, 37407545, 633419024, 936421727, 5557295032, 3791505615

Basic calculations (n = 21091409)

Multiplication

n×y

n×2	42182818
n×3	63274227
n×4	84365636
n×5	105457045

Division

n÷y

n÷2	10545704.5
n÷3	7030469.6666667
n÷3	5272852.25
n÷5	4218281.8

Exponentiation

n^y

n²	444847533605281
n³	9.3824612739102E+21
n⁴	1.978893281547E+29
n⁵	4.173764756846E+36

Nth Root

^y√n

²√n	4592.5384048476
³√n	276.29214060626
⁴√n	67.76826989711
⁵√n	29.162256041542

Divisors of 21091409

1, 21091409

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21091410	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10545705	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4592.5385137198	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999051747	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091409 can be divided by 2 positive divisors. The sum of these divisors (counting 21091409) is 21091410, the average is 10545705.

Base conversion 21091409

Base	System	Value
2	Binary	1010000011101010001010001
3	Ternary	1110200112222022
4	Quaternary	1100131101101
5	Quinary	20344411114
6	Senary	2032021225
8	Octal	120352121
10	Decimal	21091409
12	Duodecimal	7091815
16	Hexadecimal	141d451
20	Vigesimal	6bg8a9
36	Base36	ck28h

Cryptographic Hash Functions

md5	c415fb2fd02db42ece8d924a6206db8a
sha1	875f6b00f2028483507502a913c124d472a4b08e
sha256	6f98e79edd65253b7798d1a83481f278da705383eeca89463f33dcc1ce221393
sha512	b8a9762a4e0677e7c6239f3175b1eb2af5fcfc3666a7047edd2045eea7c72aa1821e1477f71696a18efaab0280db2e91d36313bc5c26e5e7a9ede31c58a8df60
ripemd-160	9a420afa38829ed60b53b1ada142d6965f2634c1

21091409 as geometric shapes

Circle

Radius = n

Diameter	42182818
Circumference	132521231.13652
Area	1.3975297435419E+15

Sphere

Radius = n

Volume	3.9301161880943E+22
Surface area	5.5901189741676E+15
Circumference	132521231.13652

Square

Length = n

Perimeter	84365636
Area	444847533605281
Diagonal	29827756.657358

Cube

Length = n

Surface area	2669085201631686
Volume	9.3824612739102E+21
Space diagonal	36531391.991215

Equilateral Triangle

Length = n

Perimeter	63274227
Area	1.9262463245651E+14
Altitude	18265695.995608

Triangular Pyramid

Length = n

Surface area	1.9262463245651E+14
Volume	1.105733665167E+21
Height	9942585.5524527