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

21309991 (number)

21309991 is an odd 8-digits prime number following 21309990 and preceding 21309992. In scientific notation, it is written as 2.1309991 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 21309990 positive integers (up to 21309991) that are relatively prime to 21309991.

Interesting facts

21309991 has 2 divisors, whose sum is 21309992
The reverse of 21309991 is 19990312
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.1309991 × 10^7
Engineering notation	2.1309991 × 10^6

Prime Factorization of 21309991

Prime Factorization 21309991

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21309991	Product of the distinct prime numbers

The prime factorization of 21309991 is 21309991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 8, 19, 30, 471, 24, 6822, 4316, 54674, 20240, 306405, 972770, 9095391, 6574720, 68840203, 35689661, 348003034, 979083973, 1907008609, 3010360184

Basic calculations (n = 21309991)

Multiplication

n×y

n×2	42619982
n×3	63929973
n×4	85239964
n×5	106549955

Division

n÷y

n÷2	10654995.5
n÷3	7103330.3333333
n÷3	5327497.75
n÷5	4261998.2

Exponentiation

n^y

n²	454115716420081
n³	9.6772018298705E+21
n⁴	2.0622108389972E+29
n⁵	4.3945694419134E+36

Nth Root

^y√n

²√n	4616.2745802216
³√n	277.24331863704
⁴√n	67.943171696805
⁵√n	29.222451953801

Divisors of 21309991

1, 21309991

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21309992	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10654996	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4616.274688534	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999061473	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21309991 can be divided by 2 positive divisors. The sum of these divisors (counting 21309991) is 21309992, the average is 10654996.

Base conversion 21309991

Base	System	Value
2	Binary	1010001010010101000100111
3	Ternary	1111002122210221
4	Quaternary	1101102220213
5	Quinary	20423404431
6	Senary	2040425211
8	Octal	121225047
10	Decimal	21309991
12	Duodecimal	7178207
16	Hexadecimal	1452a27
20	Vigesimal	6d3ejb
36	Base36	coqw7

Cryptographic Hash Functions

md5	4990f246a8ec1dce6f457115db8cce75
sha1	5f2d9ef65b80b5214aa8267fae0493933b254993
sha256	60dcd36bd016b969355b6df7a3fef256e0789937d28fbc2b49da3caa4a4a2413
sha512	e01311d014524c2a8144cf393c18b67dccd102431f8bdeef284814f7ab823445cb96634718cbec608d37a1b89a0c5aefe557b03f5c0791039766f08081c34d69
ripemd-160	35de665ad853802c012ca71d314d28e053429ad2

21309991 as geometric shapes

Circle

Radius = n

Diameter	42619982
Circumference	133894622.34733
Area	1.426646598585E+15

Sphere

Radius = n

Volume	4.0535768234702E+22
Surface area	5.70658639434E+15
Circumference	133894622.34733

Square

Length = n

Perimeter	85239964
Area	454115716420081
Diagonal	30136878.286249

Cube

Length = n

Surface area	2724694298520486
Volume	9.6772018298705E+21
Space diagonal	36909987.120836

Equilateral Triangle

Length = n

Perimeter	63929973
Area	1.9663787333878E+14
Altitude	18454993.560418

Triangular Pyramid

Length = n

Surface area	1.9663787333878E+14
Volume	1.140469172802E+21
Height	10045626.095416