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

21087345 (number)

21087345 is an odd 8-digits composite number following 21087344 and preceding 21087346. In scientific notation, it is written as 2.1087345 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 11246576 positive integers (up to 21087345) that are relatively prime to 21087345.

Interesting facts

21087345 has 4 divisors, whose sum is 22493184
The reverse of 21087345 is 54378012
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million eighty-seven thousand three hundred forty-five

Notation

Scientific notation	2.1087345 × 10^7
Engineering notation	2.1087345 × 10^6

Prime Factorization of 21087345

Prime Factorization 15 × 1405823

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21087345	Product of the distinct prime numbers

The prime factorization of 21087345 is 15 × 1405823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 17, 29, 223, 192, 9618, 9629, 9833, 11724, 134450, 626781, 9037386, 8855069, 42316848, 66779476, 640579340, 245329142, 2118868256, 5107953024

Basic calculations (n = 21087345)

Multiplication

n×y

n×2	42174690
n×3	63262035
n×4	84349380
n×5	105436725

Division

n÷y

n÷2	10543672.5
n÷3	7029115
n÷3	5271836.25
n÷5	4217469

Exponentiation

n^y

n²	444676119149025
n³	9.3770387377566E+21
n⁴	1.9773685094144E+29
n⁵	4.1697451950157E+36

Nth Root

^y√n

²√n	4592.0959266984
³√n	276.27439367455
⁴√n	67.765005177439
⁵√n	29.16113212854

Divisors of 21087345

1, 15, 1405823, 21087345

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	-21087344	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 21087345 can be divided by 4 positive divisors. The sum of these divisors (counting 21087345) is 1, the average is 0.25.

Base conversion 21087345

Base	System	Value
2	Binary	1010000011100010001110001
3	Ternary	1110200100101210
4	Quaternary	1100130101301
5	Quinary	20344243340
6	Senary	2031550333
8	Octal	120342161
10	Decimal	21087345
12	Duodecimal	708b3a9
16	Hexadecimal	141c471
20	Vigesimal	6bfi75
36	Base36	cjz3l

Cryptographic Hash Functions

md5	d8acbc0c06c42183d533844f2e229100
sha1	8eda5b60cd4488d135fd0a08688274c3ea7c5cd5
sha256	27d6735faa443fb0201a45683c9e3cefe27cf966e785590eed3084c8c1a4165a
sha512	e2108f0c872f16506e945b59147a65f0f5795d99f81687d504d25d33cbb8e34170ce5fa7a74361c1d44e858ccd6c0951af128c1ee85603759fb87a400f4b0959
ripemd-160	50a9c70939c3875e374f9622f053a9033fec3e32

21087345 as geometric shapes

Circle

Radius = n

Diameter	42174690
Circumference	132495696.27143
Area	1.3969912291454E+15

Sphere

Radius = n

Volume	3.9278448014617E+22
Surface area	5.5879649165816E+15
Circumference	132495696.27143

Square

Length = n

Perimeter	84349380
Area	444676119149025
Diagonal	29822009.29344

Cube

Length = n

Surface area	2668056714894150
Volume	9.3770387377566E+21
Space diagonal	36524352.936734

Equilateral Triangle

Length = n

Perimeter	63262035
Area	1.9255040781967E+14
Altitude	18262176.468367

Triangular Pyramid

Length = n

Surface area	1.9255040781967E+14
Volume	1.1050946131528E+21
Height	9940669.7644802