2991009 is an odd 7-digits composite number following 2991008
and preceding 2991010 . In scientific notation, it is written as 2.991009 × 10^6.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 1709064 positive integers (up to 2991009) that are relatively prime to 2991009.
2991009 has 12 divisors, whose sum is 4639344
The reverse of 2991009 is 9001992
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3
Name
two million nine hundred ninety-one thousand nine
Scientific notation
2.991009 × 10^6
Engineering notation
2.991009 × 10^6
Prime Factorization
3 × 7 × 7 × 20347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
427287
Product of the distinct prime numbers
The prime factorization of 2991009 is 3 × 7 × 7 × 20347.
Since it has a total of 4 prime factors.
8 , 5 , 19 , 94 , 454 , 278 , 8824 , 3422 , 82880 , 20661 , 724576 , 920676 , 7885914 , 6518805 , 50869622 , 82370026 , 821672615 , 287149727 , 5682684949 , 5388092888
n×2
5982018
n×3
8973027
n×4
11964036
n×5
14955045
n÷2
1495504.5
n÷3
997003
n÷3
747752.25
n÷5
598201.8
n2
8946134838081
n3
2.6757969815914E+19
n4
8.0033328541127E+25
n5
2.3938040596647E+32
2 √n
1729.4533818522
3 √n
144.08073212188
4 √n
41.586697174123
5 √n
19.731656389065
1 , 3 , 7 , 21 , 49 , 147 , 20347 , 61041 , 142429 , 427287 , 997003 , 2991009
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
-2991008
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 2991009 can be divided by 12 positive divisors.
The sum of these divisors (counting 2991009) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011011010001110100001
3
Ternary
12121221220010
4
Quaternary
23122032201
5
Quinary
1231203014
6
Senary
144035133
8
Octal
13321641
10
Decimal
2991009
12
Duodecimal
1002aa9
16
Hexadecimal
2da3a1
20
Vigesimal
idha9
36
Base36
1s3vl
md5
5a0d4928b1f6ec84b2ee1d734530e49d
sha1
bf41e199945747da486eeb304784071d835a1122
sha256
971539de9b9e2b6c9cf54b8d0c81fea61b53f6656e9843caf2cd55d1a687e5f6
sha512
adb52bf4f03f28406622f5cdf7ae30306fd2e0632f238f99cd7bebac0db9a6997cf8725f7ec5685c53583e7cd28ae4180fa9ba0ea631cfed774e513b3fae2a4b
ripemd-160
a0fcc0f947701279291e199826a5aa97f34413a0
Diameter
5982018
Circumference
18793063.802442
Area
28105111485339
Volume
1.1208352186487E+20
Surface area
1.1242044594136E+14
Circumference
18793063.802442
Perimeter
11964036
Area
8946134838081
Diagonal
4229925.49298
Surface area
53676809028486
Volume
2.6757969815914E+19
Space diagonal
5180579.5538958
Perimeter
8973027
Area
3873790017729.6
Altitude
2590289.7769479
Surface area
3873790017729.6
Volume
3.1534569846029E+18
Height
1409975.1643267