2001644 is an even 7-digits composite number following 2001643
and preceding 2001645 . In scientific notation, it is written as 2.001644 × 10^6.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 957264 positive integers (up to 2001644) that are relatively prime to 2001644.
2001644 has 12 divisors, whose sum is 3655344
The reverse of 2001644 is 4461002
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 17
Digital Root 8
Name
two million one thousand six hundred forty-four
Scientific notation
2.001644 × 10^6
Engineering notation
2.001644 × 10^6
Prime Factorization
2 × 2 × 23 × 21757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1000822
Product of the distinct prime numbers
The prime factorization of 2001644 is 2 × 2 × 23 × 21757.
Since it has a total of 4 prime factors.
9 , 5 , 4 , 85 , 107 , 438 , 5521 , 5973 , 3988 , 54834 , 132569 , 104563 , 3279810 , 4997991 , 57354760 , 18118774 , 783515656 , 459008086 , 2396461924 , 3960366559
n×2
4003288
n×3
6004932
n×4
8006576
n×5
10008220
n÷2
1000822
n÷3
667214.66666667
n÷3
500411
n÷5
400328.8
n2
4006578702736
n3
8019744220859297984
n4
1.6052672901218E+25
n5
3.2131736396685E+31
2 √n
1414.7946847511
3 √n
126.02661737159
4 √n
37.613756589194
5 √n
18.208634054195
1 , 2 , 4 , 23 , 46 , 92 , 21757 , 43514 , 87028 , 500411 , 1000822 , 2001644
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
-2001643
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 2001644 can be divided by 12 positive divisors.
The sum of these divisors (counting 2001644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101000101011101100
3
Ternary
10202200201222
4
Quaternary
13220223230
5
Quinary
1003023034
6
Senary
110522512
8
Octal
7505354
10
Decimal
2001644
12
Duodecimal
806438
16
Hexadecimal
1e8aec
20
Vigesimal
ca424
36
Base36
16wh8
md5
5acd44bee5e2d094e58bb2e1d21787f5
sha1
bd243451d2c55f908606d7d094715ffb729c2d2c
sha256
ffc9a376696b8d3653e73938087530de7450554e2af9686151203b6c7690db91
sha512
9c36d36b0e74c1614a68d43ee070fae1cd32443ea7012fe0cf3bf70d701ca5b8f341657d5a437fddac1b0a1ea84409186fba8bca61bd27e83fd3121928a38d62
ripemd-160
305e72f4d350bd35cd78fc49872eb09ed9571562
Diameter
4003288
Circumference
12576700.171004
Area
12587038218545
Volume
3.3593026037228E+19
Surface area
50348152874179
Circumference
12576700.171004
Perimeter
8006576
Area
4006578702736
Diagonal
2830752.0918427
Surface area
24039472216416
Volume
8019744220859297984
Space diagonal
3466949.1066654
Perimeter
6004932
Area
1734899469415.5
Altitude
1733474.5533327
Surface area
1734899469415.5
Volume
9.4513592032521E+17
Height
943584.03061424