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

2687981 (number)

2687981 is an odd 7-digits composite number following 2687980 and preceding 2687982. In scientific notation, it is written as 2.687981 × 10^6. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 2549680 positive integers (up to 2687981) that are relatively prime to 2687981.

Interesting facts

2687981 has 8 divisors, whose sum is 2829600
The reverse of 2687981 is 1897862
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 41
Digital Root 5

Name

Name	two million six hundred eighty-seven thousand nine hundred eighty-one

Notation

Scientific notation	2.687981 × 10^6
Engineering notation	2.687981 × 10^6

Prime Factorization of 2687981

Prime Factorization 29 × 59 × 1571

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	2687981	Product of the distinct prime numbers

The prime factorization of 2687981 is 29 × 59 × 1571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 3, 64, 950, 768, 7760, 9471, 76349, 44400, 427382, 414671, 5013197, 9152608, 16407690, 37068184, 602093593, 301994078, 6478175326, 9558174512

Basic calculations (n = 2687981)

Multiplication

n×y

n×2	5375962
n×3	8063943
n×4	10751924
n×5	13439905

Division

n÷y

n÷2	1343990.5
n÷3	895993.66666667
n÷3	671995.25
n÷5	537596.2

Exponentiation

n^y

n²	7225241856361
n³	1.9421312830303E+19
n⁴	5.2204119882911E+25
n⁵	1.4032368236699E+32

Nth Root

^y√n

²√n	1639.5063281366
³√n	139.04073819297
⁴√n	40.490817824991
⁵√n	19.314578673198

Divisors of 2687981

1, 29, 59, 1571, 1711, 45559, 92689, 2687981

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	-2687980	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 2687981 can be divided by 8 positive divisors. The sum of these divisors (counting 2687981) is 1, the average is 0.125.

Base conversion 2687981

Base	System	Value
2	Binary	1010010000001111101101
3	Ternary	12001120012212
4	Quaternary	22100033231
5	Quinary	1142003411
6	Senary	133340205
8	Octal	12201755
10	Decimal	2687981
12	Duodecimal	a97665
16	Hexadecimal	2903ed
20	Vigesimal	gfjj1
36	Base36	1lm25

Cryptographic Hash Functions

md5	fc9c347012ec1a286315f9a15ab64085
sha1	de97ee2380fa046ee0aa743e68f33df0c5dd18c3
sha256	6d37674acac46bef8410c73eb5373c5cdd9dc03496529b654df94dfda058e0ce
sha512	31d8af10c271e3e8743791df58ccc1cde87b7c394de3c87958829947915810ec20db348f57f7dc818d70e55dbdeb825d16079e9a4a7dfe0d7192e1675d9812bc
ripemd-160	dd02ed59fb030c1d7446068983027fd106a7306c

2687981 as geometric shapes

Circle

Radius = n

Diameter	5375962
Circumference	16889082.725178
Area	22698766736353

Sphere

Radius = n

Volume	8.1351804947666E+19
Surface area	90795066945413
Circumference	16889082.725178

Square

Length = n

Perimeter	10751924
Area	7225241856361
Diagonal	3801379.1856012

Cube

Length = n

Surface area	43351451138166
Volume	1.9421312830303E+19
Space diagonal	4655719.6617798

Equilateral Triangle

Length = n

Perimeter	8063943
Area	3128621498047.6
Altitude	2327859.8308899

Triangular Pyramid

Length = n

Surface area	3128621498047.6
Volume	2.2888236669754E+18
Height	1267126.3952004