1640243 is an odd 7-digits composite number following 1640242
and preceding 1640244 . In scientific notation, it is written as 1.640243 × 10^6.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 1491120 positive integers (up to 1640243) that are relatively prime to 1640243.
1640243 has 4 divisors, whose sum is 1789368
The reverse of 1640243 is 3420461
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 20
Digital Root 2
Name
one million six hundred forty thousand two hundred forty-three
Scientific notation
1.640243 × 10^6
Engineering notation
1.640243 × 10^6
Prime Factorization
11 × 149113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1640243
Product of the distinct prime numbers
The prime factorization of 1640243 is 11 × 149113.
Since it has a total of 2 prime factors.
10 , 8 , 16 , 38 , 290 , 973 , 500 , 8307 , 52223 , 65204 , 20153 , 935749 , 5827292 , 3765083 , 40477560 , 65793439 , 882591003 , 921576052 , 8889387931 , 7247605818
n×2
3280486
n×3
4920729
n×4
6560972
n×5
8201215
n÷2
820121.5
n÷3
546747.66666667
n÷3
410060.75
n÷5
328048.6
n2
2690397099049
n3
4412905008935428907
n4
7.2382365505713E+24
n5
1.1872466834419E+31
2 √n
1280.7197195327
3 √n
117.93319497337
4 √n
35.787144612734
5 √n
17.497727089796
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640242
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640243 can be divided by 4 positive divisors.
The sum of these divisors (counting 1640243) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010000011100110011
3
Ternary
10002022222202
4
Quaternary
12100130303
5
Quinary
404441433
6
Senary
55053415
8
Octal
6203463
10
Decimal
1640243
12
Duodecimal
67126b
16
Hexadecimal
190733
20
Vigesimal
a50c3
36
Base36
z5mb
md5
1b0e75ce142de8a64aa164b55951a466
sha1
1b313586f4910f98be776006ab698648f8c32687
sha256
315022b4dbfbb21cc5441b9ee0cda3ff108ff3d853df617476ddbb1393ccb0a0
sha512
f624e1726dd90786b75439f635153d479954f2b520804d05e7acc4363abfb40aa2736a29647e8540497d72afc67e36df6f48c38bda3e4d495730cee9e4bcbaff
ripemd-160
7ccc00e1dd47616ce3a079881ad2e19a7e0d9c47
Diameter
3280486
Circumference
10305950.717804
Area
8452131761611.6
Volume
1.8484733276082E+19
Surface area
33808527046447
Circumference
10305950.717804
Perimeter
6560972
Area
2690397099049
Diagonal
2319653.8961875
Surface area
16142382594294
Volume
4412905008935428907
Space diagonal
2840984.2127592
Perimeter
4920729
Area
1164976117022.2
Altitude
1420492.1063796
Surface area
1164976117022.2
Volume
5.2006584275839E+17
Height
773217.96539584