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

21090913 (number)

21090913 is an odd 8-digits prime number following 21090912 and preceding 21090914. In scientific notation, it is written as 2.1090913 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21090912 positive integers (up to 21090913) that are relatively prime to 21090913.

Interesting facts

21090913 has 2 divisors, whose sum is 21090914
The reverse of 21090913 is 31909012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million ninety thousand nine hundred thirteen

Notation

Scientific notation	2.1090913 × 10^7
Engineering notation	2.1090913 × 10^6

Prime Factorization of 21090913

Prime Factorization 21090913

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21090913	Product of the distinct prime numbers

The prime factorization of 21090913 is 21090913. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 4, 21, 74, 51, 426, 6324, 1848, 14435, 59977, 284488, 136598, 4339632, 2085802, 35532721, 12372659, 840920247, 54462099, 7488281181, 1987371673

Basic calculations (n = 21090913)

Multiplication

n×y

n×2	42181826
n×3	63272739
n×4	84363652
n×5	105454565

Division

n÷y

n÷2	10545456.5
n÷3	7030304.3333333
n÷3	5272728.25
n÷5	4218182.6

Exponentiation

n^y

n²	444826611173569
n³	9.3817993563466E+21
n⁴	1.9787071400816E+29
n⁵	4.173274014394E+36

Nth Root

^y√n

²√n	4592.484403893
³√n	276.2899747643
⁴√n	67.76787147235
⁵√n	29.16211888034

Divisors of 21090913

1, 21090913

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21090914	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10545457	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4592.4845127665	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999051724	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21090913 can be divided by 2 positive divisors. The sum of these divisors (counting 21090913) is 21090914, the average is 10545457.

Base conversion 21090913

Base	System	Value
2	Binary	1010000011101001001100001
3	Ternary	1110200112021221
4	Quaternary	1100131021201
5	Quinary	20344402123
6	Senary	2032015041
8	Octal	120351141
10	Decimal	21090913
12	Duodecimal	7091481
16	Hexadecimal	141d261
20	Vigesimal	6bg75d
36	Base36	ck1up

Cryptographic Hash Functions

md5	fd5a6ad8daa5274ca4166308806555ae
sha1	227e405b9bb255f042b1b817e8d9e5e419a05c9c
sha256	bdf5b0aab32100679a98a28e162d7f952c1c17280b62594f49f174f4a5181546
sha512	f71eec6bbe5701474ee40e7ae7b3bd952c5aedd95fa875eeb51b3d69ed655c5d49c86e2922fef81e3fc925de3dbfe7bf84e979c6f27262c7513fa228c3dadc6f
ripemd-160	c208e5fa07e68e71c404dae44a7ed36b353469e4

21090913 as geometric shapes

Circle

Radius = n

Diameter	42181826
Circumference	132518114.6766
Area	1.3974640137841E+15

Sphere

Radius = n

Volume	3.9298389247136E+22
Surface area	5.5898560551365E+15
Circumference	132518114.6766

Square

Length = n

Perimeter	84363652
Area	444826611173569
Diagonal	29827055.207431

Cube

Length = n

Surface area	2668959667041414
Volume	9.3817993563466E+21
Space diagonal	36530532.894015

Equilateral Triangle

Length = n

Perimeter	63272739
Area	1.9261557277783E+14
Altitude	18265266.447007

Triangular Pyramid

Length = n

Surface area	1.9261557277783E+14
Volume	1.105655657434E+21
Height	9942351.7358103