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

21389849 (number)

21389849 is an odd 8-digits composite number following 21389848 and preceding 21389850. In scientific notation, it is written as 2.1389849 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 19063296 positive integers (up to 21389849) that are relatively prime to 21389849.

Interesting facts

21389849 has 8 divisors, whose sum is 23829960
The reverse of 21389849 is 94898312
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	twenty-one million three hundred eighty-nine thousand eight hundred forty-nine

Notation

Scientific notation	2.1389849 × 10^7
Engineering notation	2.1389849 × 10^6

Prime Factorization of 21389849

Prime Factorization 13 × 29 × 56737

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21389849	Product of the distinct prime numbers

The prime factorization of 21389849 is 13 × 29 × 56737. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 44, 83, 334, 10, 2335, 2123, 68649, 51642, 228952, 859899, 6406428, 3805238, 2488479, 41283768, 532092327, 488247130, 1169813179, 7339743569

Basic calculations (n = 21389849)

Multiplication

n×y

n×2	42779698
n×3	64169547
n×4	85559396
n×5	106949245

Division

n÷y

n÷2	10694924.5
n÷3	7129949.6666667
n÷3	5347462.25
n÷5	4277969.8

Exponentiation

n^y

n²	457525640242801
n³	9.7864043584218E+21
n⁴	2.0932971147958E+29
n⁵	4.4775309197619E+36

Nth Root

^y√n

²√n	4624.9161073472
³√n	277.5892048791
⁴√n	68.00673574983
⁵√n	29.244321097986

Divisors of 21389849

1, 13, 29, 377, 56737, 737581, 1645373, 21389849

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21389848	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21389849 can be divided by 8 positive divisors. The sum of these divisors (counting 21389849) is 1, the average is 0.125.

Base conversion 21389849

Base	System	Value
2	Binary	1010001100110001000011001
3	Ternary	1111020201100122
4	Quaternary	1101212020121
5	Quinary	20433433344
6	Senary	2042243025
8	Octal	121461031
10	Decimal	21389849
12	Duodecimal	71b6475
16	Hexadecimal	1466219
20	Vigesimal	6ddec9
36	Base36	cqgih

Cryptographic Hash Functions

md5	412a42571557f43e006d186b636acfb8
sha1	7672e5e1756fbce25bf172fd787bd1f8c0be4c33
sha256	aed8fa1445b10d273a752e00d784be33ad4fbe1e5b6b59b072bd2eb6cf875764
sha512	b5ad256f86b6cef1434cc5d6500d58df5ec985c482d6ebc283a7916771f971541de2d6b808c245dd0d077bdda9eaa46aff3231fbb63c35093f31d73741cb0695
ripemd-160	be6b1feafe61289c1c1b04bc9c17f1f7bc048740

21389849 as geometric shapes

Circle

Radius = n

Diameter	42779698
Circumference	134396384.95959
Area	1.4373591902158E+15

Sphere

Radius = n

Volume	4.0993194716636E+22
Surface area	5.749436760863E+15
Circumference	134396384.95959

Square

Length = n

Perimeter	85559396
Area	457525640242801
Diagonal	30249814.552913

Cube

Length = n

Surface area	2745153841456806
Volume	9.7864043584218E+21
Space diagonal	37048305.234226

Equilateral Triangle

Length = n

Perimeter	64169547
Area	1.981144136665E+14
Altitude	18524152.617113

Triangular Pyramid

Length = n

Surface area	1.981144136665E+14
Volume	1.1533388142123E+21
Height	10083271.517638