2687321 is an odd 7-digits composite number following 2687320
and preceding 2687322 . In scientific notation, it is written as 2.687321 × 10^6.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 2126160 positive integers (up to 2687321) that are relatively prime to 2687321.
2687321 has 8 divisors, whose sum is 3307584
The reverse of 2687321 is 1237862
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 29
Digital Root 2
Name
two million six hundred eighty-seven thousand three hundred twenty-one
Scientific notation
2.687321 × 10^6
Engineering notation
2.687321 × 10^6
Prime Factorization
13 × 7 × 29531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2687321
Product of the distinct prime numbers
The prime factorization of 2687321 is 13 × 7 × 29531.
Since it has a total of 3 prime factors.
7 , 8 , 91 , 31 , 336 , 533 , 2159 , 6706 , 15815 , 61829 , 664806 , 404258 , 5215819 , 113806 , 34728654 , 3701459 , 731165205 , 746397071 , 8762468324 , 8694909183
n×2
5374642
n×3
8061963
n×4
10749284
n×5
13436605
n÷2
1343660.5
n÷3
895773.66666667
n÷3
671830.25
n÷5
537464.2
n2
7221694157041
n3
1.9407010363794E+19
n4
5.215286649784E+25
n5
1.4015149334984E+32
2 √n
1639.3050356782
3 √n
139.02935735868
4 √n
40.488332093064
5 √n
19.31363008955
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
-2687320
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 2687321 can be divided by 8 positive divisors.
The sum of these divisors (counting 2687321) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000000101011001
3
Ternary
12001112022102
4
Quaternary
22100011121
5
Quinary
1141443241
6
Senary
133333145
8
Octal
12200531
10
Decimal
2687321
12
Duodecimal
a971b5
16
Hexadecimal
290159
20
Vigesimal
gfi61
36
Base36
1lljt
md5
9777f23ae346e21f4d73ca41fa366361
sha1
dbb1feec23511fe91a95b45bcc8a2b2f232f6cde
sha256
fbe4cafb8f2661807b15ac69c76c60167d2686f2ad439bcbbe14c465722cee27
sha512
7d53a816fcb5507ea5478907ac171230ff40758a984605ae81e2a3f53e20497cf80a0febead79c542f04c586811e37d1beffec40faedb82c8df306adbe6394f8
ripemd-160
197e8606d6522f2018b871cb3602d4ef842c1df2
Diameter
5374642
Circumference
16884935.822875
Area
22687621310232
Volume
8.1291894916047E+19
Surface area
90750485240929
Circumference
16884935.822875
Perimeter
10749284
Area
7221694157041
Diagonal
3800445.80465
Surface area
43330164942246
Volume
1.9407010363794E+19
Space diagonal
4654576.5082468
Perimeter
8061963
Area
3127085299179.6
Altitude
2327288.2541234
Surface area
3127085299179.6
Volume
2.2871381051327E+18
Height
1266815.2682167