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

21490979 (number)

21490979 is an odd 8-digits composite number following 21490978 and preceding 21490980. In scientific notation, it is written as 2.1490979 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21476784 positive integers (up to 21490979) that are relatively prime to 21490979.

Interesting facts

21490979 has 4 divisors, whose sum is 21505176
The reverse of 21490979 is 97909412
Previous prime number is 1723

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.1490979 × 10^7
Engineering notation	2.1490979 × 10^6

Prime Factorization of 21490979

Prime Factorization 1723 × 12473

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490979	Product of the distinct prime numbers

The prime factorization of 21490979 is 1723 × 12473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 98, 76, 601, 954, 9597, 6220, 58868, 60362, 26911, 417612, 4686511, 7944905, 19386308, 99647725, 163020987, 397721912, 2597757872, 3513750663

Basic calculations (n = 21490979)

Multiplication

n×y

n×2	42981958
n×3	64472937
n×4	85963916
n×5	107454895

Division

n÷y

n÷2	10745489.5
n÷3	7163659.6666667
n÷3	5372744.75
n÷5	4298195.8

Exponentiation

n^y

n²	461862178378441
n³	9.9258703764253E+21
n⁴	2.1331667181648E+29
n⁵	4.5843841143578E+36

Nth Root

^y√n

²√n	4635.8363862414
³√n	278.02599260097
⁴√n	68.086976627263
⁵√n	29.271922049172

Divisors of 21490979

1, 1723, 12473, 21490979

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	-21490978	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 21490979 can be divided by 4 positive divisors. The sum of these divisors (counting 21490979) is 1, the average is 0.25.

Base conversion 21490979

Base	System	Value
2	Binary	1010001111110110100100011
3	Ternary	1111102212002012
4	Quaternary	1101332310203
5	Quinary	21000202404
6	Senary	2044343135
8	Octal	121766443
10	Decimal	21490979
12	Duodecimal	7244aab
16	Hexadecimal	147ed23
20	Vigesimal	6e678j
36	Base36	csmjn

Cryptographic Hash Functions

md5	796535d28d56248e932813d15c390240
sha1	e7a8907d6a17017989c60df8afe1944fd443e518
sha256	a636c394a19a4654d4c027ea58e3197044965fcd19c5ea715a22fdd9b74037b5
sha512	ef167661c3049282990637e47d7a15cbb1b1432ff45a86e543549e18f7c7d26406d34c7b96e7e14c2870f24934552cf1aa51296d926a57c904951c178fba87a2
ripemd-160	d931409bdfe0454a90785b298342cf7bdd64fbbc

21490979 as geometric shapes

Circle

Radius = n

Diameter	42981958
Circumference	135031803.48971
Area	1.4509828265647E+15

Sphere

Radius = n

Volume	4.157738860675E+22
Surface area	5.8039313062588E+15
Circumference	135031803.48971

Square

Length = n

Perimeter	85963916
Area	461862178378441
Diagonal	30392833.970475

Cube

Length = n

Surface area	2771173070270646
Volume	9.9258703764253E+21
Space diagonal	37223467.532396

Equilateral Triangle

Length = n

Perimeter	64472937
Area	1.9999218976147E+14
Altitude	18611733.766198

Triangular Pyramid

Length = n

Surface area	1.9999218976147E+14
Volume	1.1697750420582E+21
Height	10130944.656825