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

21000688 (number)

21000688 is an even 8-digits composite number following 21000687 and preceding 21000689. In scientific notation, it is written as 2.1000688 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 10 positive divisors. There are 10500336 positive integers (up to 21000688) that are relatively prime to 21000688.

Interesting facts

21000688 has 10 divisors, whose sum is 40688864
The reverse of 21000688 is 88600012
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million six hundred eighty-eight

Notation

Scientific notation	2.1000688 × 10^7
Engineering notation	2.1000688 × 10^6

Prime Factorization of 21000688

Prime Factorization 2 × 2 × 2 × 2 × 1312543

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	2625086	Product of the distinct prime numbers

The prime factorization of 21000688 is 2 × 2 × 2 × 2 × 1312543. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 42, 6, 499, 794, 2001, 6523, 7697, 55170, 340389, 944028, 1229137, 8140318, 40678006, 60374584, 312383116, 123576047, 8491002676, 6889562660

Basic calculations (n = 21000688)

Multiplication

n×y

n×2	42001376
n×3	63002064
n×4	84002752
n×5	105003440

Division

n÷y

n÷2	10500344
n÷3	7000229.3333333
n÷3	5250172
n÷5	4200137.6

Exponentiation

n^y

n²	441028896473344
n³	9.261910253821E+21
n⁴	1.945064875245E+29
n⁵	4.0847700584778E+36

Nth Root

^y√n

²√n	4582.6507612953
³√n	275.89543052558
⁴√n	67.69527872234
⁵√n	29.137125499555

Divisors of 21000688

1, 2, 4, 8, 16, 1312543, 2625086, 5250172, 10500344, 21000688

10 divisors

τ	Total Divisors	10	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000687	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.1	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	10	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000688 can be divided by 10 positive divisors. The sum of these divisors (counting 21000688) is 1, the average is 0.1.

Base conversion 21000688

Base	System	Value
2	Binary	1010000000111000111110000
3	Ternary	1110111221112021
4	Quaternary	1100013013300
5	Quinary	20334010223
6	Senary	2030041224
8	Octal	120070760
10	Decimal	21000688
12	Duodecimal	7049214
16	Hexadecimal	14071f0
20	Vigesimal	6b51e8
36	Base36	ci48g

Cryptographic Hash Functions

md5	66599231f205178b7609b565a212ebb2
sha1	b4be2882b2e7b44ef51cc5c8020c81078dc3fde3
sha256	a9c6e1d1ab686aa587a8abf15a39e13c27c6d3fdc55e80197ae0de8b3618fc70
sha512	06d31c79d5f1f9670b6ce01e235a7175eea289471019e9879968e860891683085c8a93873fbb9a654d5da088665ff0fcf46cc2835b449fa8711cc6fde20f3ece
ripemd-160	4c918c5c01de7f140a4a25d966ddc7bf211d19e4

21000688 as geometric shapes

Circle

Radius = n

Diameter	42001376
Circumference	131951214.28226
Area	1.3855331411815E+15

Sphere

Radius = n

Volume	3.8796198948816E+22
Surface area	5.5421325647259E+15
Circumference	131951214.28226

Square

Length = n

Perimeter	84002752
Area	441028896473344
Diagonal	29699457.788766

Cube

Length = n

Surface area	2646173378840064
Volume	9.261910253821E+21
Space diagonal	36374258.609902

Equilateral Triangle

Length = n

Perimeter	63002064
Area	1.9097111407447E+14
Altitude	18187129.304951

Triangular Pyramid

Length = n

Surface area	1.9097111407447E+14
Volume	1.091526591203E+21
Height	9899819.262922