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

21691409 (number)

21691409 is an odd 8-digits composite number following 21691408 and preceding 21691410. In scientific notation, it is written as 2.1691409 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21323700 positive integers (up to 21691409) that are relatively prime to 21691409.

Interesting facts

21691409 has 4 divisors, whose sum is 22059120
The reverse of 21691409 is 90419612
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.1691409 × 10^7
Engineering notation	2.1691409 × 10^6

Prime Factorization of 21691409

Prime Factorization 59 × 367651

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21691409	Product of the distinct prime numbers

The prime factorization of 21691409 is 59 × 367651. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 64, 21, 537, 770, 2919, 9320, 44533, 50264, 894131, 920732, 1456897, 1107597, 38074738, 76744485, 204419592, 178013813, 9177691578, 9741294656

Basic calculations (n = 21691409)

Multiplication

n×y

n×2	43382818
n×3	65074227
n×4	86765636
n×5	108457045

Division

n÷y

n÷2	10845704.5
n÷3	7230469.6666667
n÷3	5422852.25
n÷5	4338281.8

Exponentiation

n^y

n²	470517224405281
n³	1.020618155612E+22
n⁴	2.2138645846205E+29
n⁵	4.8021842175618E+36

Nth Root

^y√n

²√n	4657.4036758692
³√n	278.8876317662
⁴√n	68.245173278916
⁵√n	29.32631888521

Divisors of 21691409

1, 59, 367651, 21691409

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	-21691408	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 21691409 can be divided by 4 positive divisors. The sum of these divisors (counting 21691409) is 1, the average is 0.25.

Base conversion 21691409

Base	System	Value
2	Binary	1010010101111110000010001
3	Ternary	1111211001000112
4	Quaternary	1102233300101
5	Quinary	21023111114
6	Senary	2052531105
8	Octal	122576021
10	Decimal	21691409
12	Duodecimal	7320a95
16	Hexadecimal	14afc11
20	Vigesimal	6fb8a9
36	Base36	cwx75

Cryptographic Hash Functions

md5	71c7d5cfc3ab775208da5ef304ce20ac
sha1	51d39c79d70a50b075da0c44a6cae455d61653d5
sha256	8cdd5aedf99c4b1ad2df0fcc26aeae5ea544cd204121f996e5f41d5ca83957d7
sha512	b4f6ed924a626c30a429f919765059f3f1c10fb263606e757352e455c9a28105f6b328a094d50d140cada4fff15483f909e356e136598481f941116dac7f5fda
ripemd-160	9e97b3e84c62e209b2f7a619141208d465e1663f

21691409 as geometric shapes

Circle

Radius = n

Diameter	43382818
Circumference	136291142.32082
Area	1.4781734555791E+15

Sphere

Radius = n

Volume	4.2751553330546E+22
Surface area	5.9126938223164E+15
Circumference	136291142.32082

Square

Length = n

Perimeter	86765636
Area	470517224405281
Diagonal	30676284.794782

Cube

Length = n

Surface area	2823103346431686
Volume	1.020618155612E+22
Space diagonal	37570622.475757

Equilateral Triangle

Length = n

Perimeter	65074227
Area	2.0373993462656E+14
Altitude	18785311.237878

Triangular Pyramid

Length = n

Surface area	2.0373993462656E+14
Volume	1.2028100313922E+21
Height	10225428.264927