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

21040909 (number)

21040909 is an odd 8-digits composite number following 21040908 and preceding 21040910. In scientific notation, it is written as 2.1040909 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20362140 positive integers (up to 21040909) that are relatively prime to 21040909.

Interesting facts

21040909 has 4 divisors, whose sum is 21719680
The reverse of 21040909 is 90904012
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million forty thousand nine hundred nine

Notation

Scientific notation	2.1040909 × 10^7
Engineering notation	2.1040909 × 10^6

Prime Factorization of 21040909

Prime Factorization 31 × 678739

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21040909	Product of the distinct prime numbers

The prime factorization of 21040909 is 31 × 678739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 60, 90, 530, 558, 2305, 1615, 76301, 90041, 849214, 785267, 1745374, 702949, 28928078, 73954988, 553001281, 935506561, 887883100, 84305821

Basic calculations (n = 21040909)

Multiplication

n×y

n×2	42081818
n×3	63122727
n×4	84163636
n×5	105204545

Division

n÷y

n÷2	10520454.5
n÷3	7013636.3333333
n÷3	5260227.25
n÷5	4208181.8

Exponentiation

n^y

n²	442719851546281
n³	9.3152281088788E+21
n⁴	1.9600086695316E+29
n⁵	4.1240364054826E+36

Nth Root

^y√n

²√n	4587.0370611104
³√n	276.07145195503
⁴√n	67.727668357255
⁵√n	29.14827777758

Divisors of 21040909

1, 31, 678739, 21040909

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	-21040908	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 21040909 can be divided by 4 positive divisors. The sum of these divisors (counting 21040909) is 1, the average is 0.25.

Base conversion 21040909

Base	System	Value
2	Binary	1010000010000111100001101
3	Ternary	1110120222200221
4	Quaternary	1100100330031
5	Quinary	20341302114
6	Senary	2030551341
8	Octal	120207415
10	Decimal	21040909
12	Duodecimal	7068551
16	Hexadecimal	1410f0d
20	Vigesimal	6ba259
36	Base36	ciz9p

Cryptographic Hash Functions

md5	c5dea565daf92add7842aa4276dc6a3f
sha1	5f5ed1f642f60fc9e0672e0ca264011789633c52
sha256	19b0eff805eca6e1211b37d340ad23db3fad75d36c719d045a992111e68f531e
sha512	955f81ff5bdf07724e1bc8c5439200c3d3e4693c7d49fc455e5ebca56d993b505a21e861f57296626a38a5593650c310c51afce40a2b1c7b8ed242be94cf331e
ripemd-160	f48b170f1653c35c3b97a8d548db5cc6839e7e9e

21040909 as geometric shapes

Circle

Radius = n

Diameter	42081818
Circumference	132203930.2785
Area	1.3908454332162E+15

Sphere

Radius = n

Volume	3.9019536257822E+22
Surface area	5.5633817328646E+15
Circumference	132203930.2785

Square

Length = n

Perimeter	84163636
Area	442719851546281
Diagonal	29756338.872458

Cube

Length = n

Surface area	2656319109277686
Volume	9.3152281088788E+21
Space diagonal	36443923.425433

Equilateral Triangle

Length = n

Perimeter	63122727
Area	1.9170331909938E+14
Altitude	18221961.712717

Triangular Pyramid

Length = n

Surface area	1.9170331909938E+14
Volume	1.0978101606813E+21
Height	9918779.6241527