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

6688981 (number)

6688981 is an odd 7-digits composite number following 6688980 and preceding 6688982. In scientific notation, it is written as 6.688981 × 10^6. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 6086640 positive integers (up to 6688981) that are relatively prime to 6688981.

Interesting facts

6688981 has 8 divisors, whose sum is 7305984
The reverse of 6688981 is 1898866
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 46
Digital Root 1

Name

Name	six million six hundred eighty-eight thousand nine hundred eighty-one

Notation

Scientific notation	6.688981 × 10^6
Engineering notation	6.688981 × 10^6

Prime Factorization of 6688981

Prime Factorization 13 × 71 × 7247

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	6688981	Product of the distinct prime numbers

The prime factorization of 6688981 is 13 × 71 × 7247. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 88, 98, 694, 527, 5422, 3679, 91897, 86048, 447658, 231687, 573747, 2539838, 44608619, 75123894, 809346468, 530589653, 2689262838, 9312782513

Basic calculations (n = 6688981)

Multiplication

n×y

n×2	13377962
n×3	20066943
n×4	26755924
n×5	33444905

Division

n÷y

n÷2	3344490.5
n÷3	2229660.3333333
n÷3	1672245.25
n÷5	1337796.2

Exponentiation

n^y

n²	44742466818361
n³	2.9928151044115E+20
n⁴	2.0018883369921E+27
n⁵	1.3390593050262E+34

Nth Root

^y√n

²√n	2586.3064396935
³√n	188.41695784238
⁴√n	50.85574146243
⁵√n	23.177788335072

Divisors of 6688981

1, 13, 71, 923, 7247, 94211, 514537, 6688981

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	-6688980	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 6688981 can be divided by 8 positive divisors. The sum of these divisors (counting 6688981) is 1, the average is 0.125.

Base conversion 6688981

Base	System	Value
2	Binary	11001100001000011010101
3	Ternary	110120211120001
4	Quaternary	121201003111
5	Quinary	3203021411
6	Senary	355211301
8	Octal	31410325
10	Decimal	6688981
12	Duodecimal	22a6b31
16	Hexadecimal	6610d5
20	Vigesimal	21g291
36	Base36	3zd91

Cryptographic Hash Functions

md5	9207e5f18662d6bb3ee58be7daaedf3c
sha1	62245ed4ff5aea0651ea956a7ad91d830d505de9
sha256	8cdc07bd0bb435c83b430c8ebadd44ea2cc1a9109c65d90e8ca201e5f6de8d2b
sha512	e45c1a9a9b9b22ec2c60319ac414ae1d6e9050a3d418073ca78b4721f23f332de03317320d6a74f0116137563479d3c93e5f317c7be910b0478d9a142cd38996
ripemd-160	58cd896a97423efe57a437144a562939b6bb14eb

6688981 as geometric shapes

Circle

Radius = n

Diameter	13377962
Circumference	42028107.139203
Area	1.4056260506005E+14

Sphere

Radius = n

Volume	1.2536274594096E+21
Surface area	5.6225042024019E+14
Circumference	42028107.139203

Square

Length = n

Perimeter	26755924
Area	44742466818361
Diagonal	9459647.6486559

Cube

Length = n

Surface area	268454800910166
Volume	2.9928151044115E+20
Space diagonal	11585654.942863

Equilateral Triangle

Length = n

Perimeter	20066943
Area	19374056446341
Altitude	5792827.4714314

Triangular Pyramid

Length = n

Surface area	19374056446341
Volume	3.5270664252781E+19
Height	3153215.8828853