2687988 (number)

2687988 is an even 7-digits composite number following 2687987 and preceding 2687989. In scientific notation, it is written as 2.687988 × 10^6. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 895992 positive integers (up to 2687988) that are relatively prime to 2687988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.687988 × 10^6
Engineering notation 2.687988 × 10^6

Prime Factorization of 2687988

Prime Factorization 2 × 2 × 3 × 223999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1343994
Product of the distinct prime numbers

The prime factorization of 2687988 is 2 × 2 × 3 × 223999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2687988)

Multiplication

n×y
n×2 5375976
n×3 8063964
n×4 10751952
n×5 13439940

Division

n÷y
n÷2 1343994
n÷3 895996
n÷3 671997
n÷5 537597.6

Exponentiation

ny
n2 7225279488144
n3 1.9421464560777E+19
n4 5.2204663681794E+25
n5 1.403255095207E+32

Nth Root

y√n
2√n 1639.5084629242
3√n 139.0408588888
4√n 40.490844186361
5√n 19.314588732935

Divisors of 2687988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2687987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2687988 can be divided by 12 positive divisors. The sum of these divisors (counting 2687988) is 1, the average is 0.083333333333333.

Base conversion 2687988

Base System Value
2 Binary 1010010000001111110100
3 Ternary 12001120020010
4 Quaternary 22100033310
5 Quinary 1142003423
6 Senary 133340220
8 Octal 12201764
10 Decimal 2687988
12 Duodecimal a97670
16 Hexadecimal 2903f4
20 Vigesimal gfjj8
36 Base36 1lm2c

Cryptographic Hash Functions

md5 e2ff9b6ea700213f71a32aeedd9b5ce5
sha1 dd65f1a181daf5095f3f75aea7184fd6751fcca3
sha256 96238a890812866cdfb59b4ecf158e4609a242c7d7ccde6e42c5aed03e0fc311
sha512 aa90be82573dc2b1575c66db572ad66e5f72e9859e4d8ab292c6257dc248d46efaa95114190d0bd977021e694ae41467cba25873ca3467865957c6b76e87bc1d
ripemd-160 9cb56c3a4c13338402c84408542e52439f8c8f48

2687988 as geometric shapes

Circle

Radius = n
Diameter 5375976
Circumference 16889126.707475
Area 22698884960086

Sphere

Radius = n
Volume 8.135244051479E+19
Surface area 90795539840345
Circumference 16889126.707475

Square

Length = n
Perimeter 10751952
Area 7225279488144
Diagonal 3801389.0850961

Cube

Length = n
Surface area 43351676928864
Volume 1.9421464560777E+19
Space diagonal 4655731.7861355

Equilateral Triangle

Length = n
Perimeter 8063964
Area 3128637793087.7
Altitude 2327865.8930677

Triangular Pyramid

Length = n
Surface area 3128637793087.7
Volume 2.2888415485833E+18
Height 1267129.695032