2806987 is an odd 7-digits prime number following 2806986
and preceding 2806988 . In scientific notation, it is written as 2.806987 × 10^6.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 2806986 positive integers (up to 2806987) that are relatively prime to 2806987.
2806987 has 2 divisors, whose sum is 2806988
The reverse of 2806987 is 7896082
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 40
Digital Root 4
Name
two million eight hundred six thousand nine hundred eighty-seven
Scientific notation
2.806987 × 10^6
Engineering notation
2.806987 × 10^6
Prime Factorization
2806987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2806987
Product of the distinct prime numbers
The prime factorization of 2806987 is 2806987.
Since it has a total of 1 prime factors.
7 , 7 , 37 , 33 , 949 , 267 , 9781 , 5712 , 78574 , 71105 , 521089 , 155195 , 4172228 , 6249371 , 1923386 , 35749733 , 260271961 , 856338239 , 6150092859 , 5299567651
n×2
5613974
n×3
8420961
n×4
11227948
n×5
14034935
n÷2
1403493.5
n÷3
935662.33333333
n÷3
701746.75
n÷5
561397.4
n2
7879176018169
n3
2.2116744653712E+19
n4
6.2081414725289E+25
n5
1.742617240755E+32
2 √n
1675.4065178338
3 √n
141.06311410852
4 √n
40.931729963853
5 √n
19.482652316247
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2806988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1403494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1675.4068162688
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999992874925
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2806987 can be divided by 2 positive divisors.
The sum of these divisors (counting 2806987) is 2806988, the average is 1403494.
Base
System
Value
2
Binary
1010101101010011001011
3
Ternary
12021121110111
4
Quaternary
22231103023
5
Quinary
1204310422
6
Senary
140055151
8
Octal
12552313
10
Decimal
2806987
12
Duodecimal
b344b7
16
Hexadecimal
2ad4cb
20
Vigesimal
hah97
36
Base36
1o5vv
md5
85214d3c21dbcb74d884289dd9c81688
sha1
611f1c5eef01311e8257fc2e9feeffa9d83ce9cf
sha256
cf3e59702bd2c7c767e97dd0665289f5896e0673569e4c180b62db41c3c1a220
sha512
fe887021e7d2470c0081e407f94e405a9b8551594851ec303bbbfa5296512611cea1e995862222db0333150c0a54ce136a2521dcf40609b426f0d00a1f27ccb9
ripemd-160
3523ea02731db99fca421af7460383698468285c
Diameter
5613974
Circumference
17636819.475844
Area
24753161495021
Volume
9.2642403367231E+19
Surface area
99012645980082
Circumference
17636819.475844
Perimeter
11227948
Area
7879176018169
Diagonal
3969679.084805
Surface area
47275056109014
Volume
2.2116744653712E+19
Space diagonal
4861844.1001853
Perimeter
8420961
Area
3411783296311.7
Altitude
2430922.0500927
Surface area
3411783296311.7
Volume
2.6064833537352E+18
Height
1323226.3616017