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

21385655 (number)

21385655 is an odd 8-digits composite number following 21385654 and preceding 21385656. In scientific notation, it is written as 2.1385655 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 17084448 positive integers (up to 21385655) that are relatively prime to 21385655.

Interesting facts

21385655 has 8 divisors, whose sum is 25698912
The reverse of 21385655 is 55658312
Previous prime number is 823

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million three hundred eighty-five thousand six hundred fifty-five

Notation

Scientific notation	2.1385655 × 10^7
Engineering notation	2.1385655 × 10^6

Prime Factorization of 21385655

Prime Factorization 5 × 823 × 5197

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21385655	Product of the distinct prime numbers

The prime factorization of 21385655 is 5 × 823 × 5197. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 84, 81, 785, 319, 8085, 2099, 47626, 30354, 805902, 444677, 5852640, 5290932, 46245123, 9758623, 173915613, 940641208, 8752845245, 9651841023

Basic calculations (n = 21385655)

Multiplication

n×y

n×2	42771310
n×3	64156965
n×4	85542620
n×5	106928275

Division

n÷y

n÷2	10692827.5
n÷3	7128551.6666667
n÷3	5346413.75
n÷5	4277131

Exponentiation

n^y

n²	457346239779025
n³	9.7806488994615E+21
n⁴	2.0916558304001E+29
n⁵	4.4731429967676E+36

Nth Root

^y√n

²√n	4624.4626714895
³√n	277.57106098875
⁴√n	68.003401911151
⁵√n	29.243174195984

Divisors of 21385655

1, 5, 823, 4115, 5197, 25985, 4277131, 21385655

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	-21385654	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 21385655 can be divided by 8 positive divisors. The sum of these divisors (counting 21385655) is 1, the average is 0.125.

Base conversion 21385655

Base	System	Value
2	Binary	1010001100101000110110111
3	Ternary	1111020111121022
4	Quaternary	1101211012313
5	Quinary	20433320110
6	Senary	2042211355
8	Octal	121450667
10	Decimal	21385655
12	Duodecimal	71b3b5b
16	Hexadecimal	14651b7
20	Vigesimal	6dd42f
36	Base36	cqd9z

Cryptographic Hash Functions

md5	afef9d140938c4a47fe3194b7727dcaa
sha1	9d392cb944333ae83e0b83fc09486a6c4472c259
sha256	d750b1bb2195fe5da1a7fe3438ada9e154f3cf361b59a984c94f23215d7f11ee
sha512	b179bde8f961dbb4d96076d452b41e91a45c782d10b0fd2123630e03c1aa0505e3b9ea21044f0604932efb6413058a163e3eed28a879f2dbd481b49b1853a201
ripemd-160	2e3c54efbbeec5be67ef19b0df2d69c20089fbf0

21385655 as geometric shapes

Circle

Radius = n

Diameter	42771310
Circumference	134370033.28041
Area	1.4367955870367E+15

Sphere

Radius = n

Volume	4.0969086306519E+22
Surface area	5.7471823481468E+15
Circumference	134370033.28041

Square

Length = n

Perimeter	85542620
Area	457346239779025
Diagonal	30243883.341232

Cube

Length = n

Surface area	2744077438674150
Volume	9.7806488994615E+21
Space diagonal	37041041.013139

Equilateral Triangle

Length = n

Perimeter	64156965
Area	1.9803673098696E+14
Altitude	18520520.50657

Triangular Pyramid

Length = n

Surface area	1.9803673098696E+14
Volume	1.152660526869E+21
Height	10081294.447077