2005491 is an odd 7-digits composite number following 2005490
and preceding 2005492 . In scientific notation, it is written as 2.005491 × 10^6.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 1324512 positive integers (up to 2005491) that are relatively prime to 2005491.
2005491 has 8 divisors, whose sum is 2698960
The reverse of 2005491 is 1945002
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
two million five thousand four hundred ninety-one
Scientific notation
2.005491 × 10^6
Engineering notation
2.005491 × 10^6
Prime Factorization
3 × 109 × 6133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2005491
Product of the distinct prime numbers
The prime factorization of 2005491 is 3 × 109 × 6133.
Since it has a total of 3 prime factors.
7 , 3 , 51 , 28 , 599 , 666 , 4 , 986 , 27532 , 73749 , 760293 , 247916 , 2832235 , 2547719 , 18684529 , 99178578 , 977383851 , 1414265 , 1063638770 , 2725132582
n×2
4010982
n×3
6016473
n×4
8021964
n×5
10027455
n÷2
1002745.5
n÷3
668497
n÷3
501372.75
n÷5
401098.2
n2
4021994151081
n3
8066073072045585771
n4
1.617643695133E+25
n5
3.2441698717959E+31
2 √n
1416.1535933648
3 √n
126.10730340272
4 √n
37.631816237923
5 √n
18.215627787954
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
-2005490
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 2005491 can be divided by 8 positive divisors.
The sum of these divisors (counting 2005491) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001100111110011
3
Ternary
10202220000110
4
Quaternary
13221213303
5
Quinary
1003133431
6
Senary
110552403
8
Octal
7514763
10
Decimal
2005491
12
Duodecimal
808703
16
Hexadecimal
1e99f3
20
Vigesimal
cadeb
36
Base36
16zg3
md5
1fcf1a6c5d36caf8cedf9e13c88fc3a0
sha1
3c7c6ed37849c915a7526853b57969ee91b9234b
sha256
84f3eb60a128a59cf78fcc032be479cb4892d65b24f9e7dd7241eb416b31c5bf
sha512
3f06d7988f0a127f668b3fceb58714f9943ef707279a08c217a91735d940fee5a221933db13020139cf3debd1b4b2db4bbda81ac558a3e41aea3361b0866a82c
ripemd-160
e7d92304a65724e7d89eb011a30d38005c43d787
Diameter
4010982
Circumference
12600871.584881
Area
12635467277817
Volume
3.3787087875276E+19
Surface area
50541869111269
Circumference
12600871.584881
Perimeter
8021964
Area
4021994151081
Diagonal
2836192.5714172
Surface area
24131964906486
Volume
8066073072045585771
Space diagonal
3473612.3061221
Perimeter
6016473
Area
1741574554354.3
Altitude
1736806.1530611
Surface area
1741574554354.3
Volume
9.5059582779827E+17
Height
945397.52380573