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.
2687988 has 12 divisors, whose sum is 6272000
The reverse of 2687988 is 8897862
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 48
Digital Root 3
Name
two million six hundred eighty-seven thousand nine hundred eighty-eight
Scientific notation
2.687988 × 10^6
Engineering notation
2.687988 × 10^6
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.
6 , 9 , 53 , 43 , 221 , 299 , 7432 , 3368 , 38430 , 75508 , 455367 , 651010 , 6349083 , 1474616 , 14942310 , 13046815 , 391801537 , 4786550 , 7373237591 , 3139859223
n×2
5375976
n×3
8063964
n×4
10751952
n×5
13439940
n÷2
1343994
n÷3
895996
n÷3
671997
n÷5
537597.6
n2
7225279488144
n3
1.9421464560777E+19
n4
5.2204663681794E+25
n5
1.403255095207E+32
2 √n
1639.5084629242
3 √n
139.0408588888
4 √n
40.490844186361
5 √n
19.314588732935
1 , 2 , 3 , 4 , 6 , 12 , 223999 , 447998 , 671997 , 895996 , 1343994 , 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
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
md5
e2ff9b6ea700213f71a32aeedd9b5ce5
sha1
dd65f1a181daf5095f3f75aea7184fd6751fcca3
sha256
96238a890812866cdfb59b4ecf158e4609a242c7d7ccde6e42c5aed03e0fc311
sha512
aa90be82573dc2b1575c66db572ad66e5f72e9859e4d8ab292c6257dc248d46efaa95114190d0bd977021e694ae41467cba25873ca3467865957c6b76e87bc1d
ripemd-160
9cb56c3a4c13338402c84408542e52439f8c8f48
Diameter
5375976
Circumference
16889126.707475
Area
22698884960086
Volume
8.135244051479E+19
Surface area
90795539840345
Circumference
16889126.707475
Perimeter
10751952
Area
7225279488144
Diagonal
3801389.0850961
Surface area
43351676928864
Volume
1.9421464560777E+19
Space diagonal
4655731.7861355
Perimeter
8063964
Area
3128637793087.7
Altitude
2327865.8930677
Surface area
3128637793087.7
Volume
2.2888415485833E+18
Height
1267129.695032