2005387 is an odd 7-digits prime number following 2005386
and preceding 2005388 . In scientific notation, it is written as 2.005387 × 10^6.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 2005386 positive integers (up to 2005387) that are relatively prime to 2005387.
2005387 has 2 divisors, whose sum is 2005388
The reverse of 2005387 is 7835002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million five thousand three hundred eighty-seven
Scientific notation
2.005387 × 10^6
Engineering notation
2.005387 × 10^6
Prime Factorization
2005387
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2005387
Product of the distinct prime numbers
The prime factorization of 2005387 is 2005387.
Since it has a total of 1 prime factors.
7 , 10 , 35 , 92 , 116 , 992 , 3604 , 3185 , 62427 , 20091 , 772545 , 221097 , 7515575 , 6524842 , 54282494 , 81114185 , 113671648 , 25749278 , 9147383770 , 637722895
n×2
4010774
n×3
6016161
n×4
8021548
n×5
10026935
n÷2
1002693.5
n÷3
668462.33333333
n÷3
501346.75
n÷5
401077.4
n2
4021577019769
n3
8064818274943495603
n4
1.6173081725934E+25
n5
3.2433287843126E+31
2 √n
1416.1168737078
3 √n
126.10512348996
4 √n
37.631328354282
5 √n
18.215438860196
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2005388
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1002694
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1416.117226786
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999990026868
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2005387 can be divided by 2 positive divisors.
The sum of these divisors (counting 2005387) is 2005388, the average is 1002694.
Base
System
Value
2
Binary
111101001100110001011
3
Ternary
10202212212121
4
Quaternary
13221212023
5
Quinary
1003133022
6
Senary
110552111
8
Octal
7514613
10
Decimal
2005387
12
Duodecimal
808637
16
Hexadecimal
1e998b
20
Vigesimal
cad97
36
Base36
16zd7
md5
25d3a9efc143d63a20d484aca2f13c0f
sha1
055f9a1a5920d6712a26d7355c24b3b25e2a8bb4
sha256
5063d120f64d89cd31e92dcc9e58902a4b55a63d961757a5e71febdc202d4903
sha512
2d7607295a11b9bd609cba68f9a0b8c80620be046918d3206c001bf9f2aa6ea7b5956cc76d2b96f1fed609433921a7012891e3f80d00c2ae7b497e34c0e37780
ripemd-160
debb0de72246e2e968776f26000a8d17f6eec4ae
Diameter
4010774
Circumference
12600218.133609
Area
12634156821152
Volume
3.3781831793466E+19
Surface area
50536627284607
Circumference
12600218.133609
Perimeter
8021548
Area
4021577019769
Diagonal
2836045.4932067
Surface area
24129462118614
Volume
8064818274943495603
Space diagonal
3473432.1728381
Perimeter
6016161
Area
1741393931197.8
Altitude
1736716.0864191
Surface area
1741393931197.8
Volume
9.5044794854162E+17
Height
945348.49773556