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

21390911 (number)

21390911 is an odd 8-digits prime number following 21390910 and preceding 21390912. In scientific notation, it is written as 2.1390911 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21390910 positive integers (up to 21390911) that are relatively prime to 21390911.

Interesting facts

21390911 has 2 divisors, whose sum is 21390912
The reverse of 21390911 is 11909312
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 three hundred ninety thousand nine hundred eleven

Notation

Scientific notation	2.1390911 × 10^7
Engineering notation	2.1390911 × 10^6

Prime Factorization of 21390911

Prime Factorization 21390911

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21390911	Product of the distinct prime numbers

The prime factorization of 21390911 is 21390911. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 3, 82, 56, 196, 161, 6867, 6752, 25729, 25423, 657843, 468418, 9825337, 1435292, 51555880, 19486358, 650858122, 44962548, 3668696053, 6034362704

Basic calculations (n = 21390911)

Multiplication

n×y

n×2	42781822
n×3	64172733
n×4	85563644
n×5	106954555

Division

n÷y

n÷2	10695455.5
n÷3	7130303.6666667
n÷3	5347727.75
n÷5	4278182.2

Exponentiation

n^y

n²	457571073409921
n³	9.7878621074861E+21
n⁴	2.0937128722151E+29
n⁵	4.4786425709107E+36

Nth Root

^y√n

²√n	4625.0309188156
³√n	277.59379887844
⁴√n	68.00757986295
⁵√n	29.244611486686

Divisors of 21390911

1, 21390911

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21390912	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10695456	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4625.031026923	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999065024	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21390911 can be divided by 2 positive divisors. The sum of these divisors (counting 21390911) is 21390912, the average is 10695456.

Base conversion 21390911

Base	System	Value
2	Binary	1010001100110011000111111
3	Ternary	1111020202210222
4	Quaternary	1101212120333
5	Quinary	20434002121
6	Senary	2042251555
8	Octal	121463077
10	Decimal	21390911
12	Duodecimal	71b6bbb
16	Hexadecimal	146663f
20	Vigesimal	6ddh5b
36	Base36	cqhbz

Cryptographic Hash Functions

md5	d666ca0f3f8e87ad2fac32a6e6a579f7
sha1	fabc001d9ffc43001c5947dd3c47b32d09b7c837
sha256	d53a3bb0b3890515f0662e43ea83d8589542cbf3813dbf137acdd9b6a310fea4
sha512	78cf66ec2cf96a464219b0b1db5dbad11cf6a6b9f7b87cb80342814ff95f9f1307b99d0c467f0dfae5b711ae17cb0703d97dcd94192603a0875a142fa68c4151
ripemd-160	ad473890055169a1623083d333faf48c76ed1d33

21390911 as geometric shapes

Circle

Radius = n

Diameter	42781822
Circumference	134403057.70239
Area	1.4375019227198E+15

Sphere

Radius = n

Volume	4.0999300921638E+22
Surface area	5.7500076908792E+15
Circumference	134403057.70239

Square

Length = n

Perimeter	85563644
Area	457571073409921
Diagonal	30251316.447716

Cube

Length = n

Surface area	2745426440459526
Volume	9.7878621074861E+21
Space diagonal	37050144.672184

Equilateral Triangle

Length = n

Perimeter	64172733
Area	1.9813408680495E+14
Altitude	18525072.336092

Triangular Pyramid

Length = n

Surface area	1.9813408680495E+14
Volume	1.153510611587E+21
Height	10083772.149239