2001645 is an odd 7-digits composite number following 2001644
and preceding 2001646 . In scientific notation, it is written as 2.001645 × 10^6.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 1067472 positive integers (up to 2001645) that are relatively prime to 2001645.
2001645 has 16 divisors, whose sum is 3558720
The reverse of 2001645 is 5461002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million one thousand six hundred forty-five
Scientific notation
2.001645 × 10^6
Engineering notation
2.001645 × 10^6
Prime Factorization
3 × 9 × 5 × 14827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2001645
Product of the distinct prime numbers
The prime factorization of 2001645 is 3 × 9 × 5 × 14827.
Since it has a total of 4 prime factors.
8 , 6 , 32 , 4 , 807 , 537 , 2168 , 4765 , 50064 , 99964 , 381892 , 56720 , 5695557 , 5558557 , 86022461 , 12166251 , 88557247 , 145565407 , 2048142758 , 7684178106
n×2
4003290
n×3
6004935
n×4
8006580
n×5
10008225
n÷2
1000822.5
n÷3
667215
n÷3
500411.25
n÷5
400329
n2
4006582706025
n3
8019756240601411125
n4
1.6052704980219E+25
n5
3.213181666013E+31
2 √n
1414.7950381592
3 √n
126.02663835877
4 √n
37.613761287051
5 √n
18.208635873562
1 , 3 , 5 , 9 , 15 , 27 , 45 , 135 , 14827 , 44481 , 74135 , 133443 , 222405 , 400329 , 667215 , 2001645
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2001644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2001645 can be divided by 16 positive divisors.
The sum of these divisors (counting 2001645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000101011101101
3
Ternary
10202200202000
4
Quaternary
13220223231
5
Quinary
1003023040
6
Senary
110522513
8
Octal
7505355
10
Decimal
2001645
12
Duodecimal
806439
16
Hexadecimal
1e8aed
20
Vigesimal
ca425
36
Base36
16wh9
md5
980c8c43c2a8e0b612f512485c65beb8
sha1
bdb6be69e06d57d435d1aef5111c47fa545c2124
sha256
66b215bbe7b4c5ebefbc9a7aa41044f80bbc51fd06bd6add011e31cb77320dc6
sha512
900ed0385d0c4c7b3ac5051f395bf95d4a17481218c45e2c7d9c530bda3284b74ce1d5deb51247bc025c2614898d2fa1f0954a95383221e77baf02f1127f33c2
ripemd-160
9c1c4a40c62941b783d39bc1a9415a7e65864774
Diameter
4003290
Circumference
12576706.454189
Area
12587050795248
Volume
3.3593076385406E+19
Surface area
50348203180992
Circumference
12576706.454189
Perimeter
8006580
Area
4006582706025
Diagonal
2830753.5060563
Surface area
24039496236150
Volume
8019756240601411125
Space diagonal
3466950.8387162
Perimeter
6004935
Area
1734901202890.5
Altitude
1733475.4193581
Surface area
1734901202890.5
Volume
9.451373368654E+17
Height
943584.50201876