1668440 is an even 7-digits composite number following 1668439
and preceding 1668441 . In scientific notation, it is written as 1.668440 × 10^6.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 653952 positive integers (up to 1668440) that are relatively prime to 1668440.
1668440 has 32 divisors, whose sum is 3829680
The reverse of 1668440 is 0448661
Previous prime number is 53
Is Prime? no
Number parity even
Number length 7
Sum of Digits 29
Digital Root 2
Name
one million six hundred sixty-eight thousand four hundred forty
Scientific notation
1.668440 × 10^6
Engineering notation
1.668440 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 53 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
417110
Product of the distinct prime numbers
The prime factorization of 1668440 is 2 × 2 × 2 × 5 × 53 × 787.
Since it has a total of 6 prime factors.
7 , 8 , 14 , 77 , 613 , 849 , 7740 , 3468 , 32978 , 2420 , 642910 , 541778 , 594448 , 3840585 , 1592815 , 13622508 , 334570028 , 633004492 , 6765708716 , 6191082327
n×2
3336880
n×3
5005320
n×4
6673760
n×5
8342200
n÷2
834220
n÷3
556146.66666667
n÷3
417110
n÷5
333688
n2
2783692033600
n3
4644423136539584000
n4
7.7489413379281E+24
n5
1.2928643685853E+31
2 √n
1291.6810751885
3 √n
118.60514562768
4 √n
35.939964874614
5 √n
17.557477423978
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 53 , 106 , 212 , 265 , 424 , 530 , 787 , 1060 , 1574 , 2120 , 3148 , 3935 , 6296 , 7870 , 15740 , 31480 , 41711 , 83422 , 166844 , 208555 , 333688 , 417110 , 834220 , 1668440
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1668439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1668440 can be divided by 32 positive divisors.
The sum of these divisors (counting 1668440) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110010111010101011000
3
Ternary
10010202200002
4
Quaternary
12113111120
5
Quinary
411342230
6
Senary
55432132
8
Octal
6272530
10
Decimal
1668440
12
Duodecimal
685648
16
Hexadecimal
197558
20
Vigesimal
a8b20
36
Base36
zrdk
md5
9d7d56c39c4942d117398f2a33a581eb
sha1
a516ea671ae3a8d02f70407942696a7ce7d8ac61
sha256
f854c5145d1f50be4d8ea92da3bd36680f2526e56a4cf8cd54e662698f8efcee
sha512
5a85f840d302114ed40a5c8c754e6be8993b7ead6fe91a405d1fcd592768f40c1a0225cfc330979bf441c0f072e62bec2bb7f394bafd76163c6704382ed171bc
ripemd-160
2948e4480c9dde775c8b26f306b157c17e385f83
Diameter
3336880
Circumference
10483117.693911
Area
8745226442614.2
Volume
1.945451414122E+19
Surface area
34980905770457
Circumference
10483117.693911
Perimeter
6673760
Area
2783692033600
Diagonal
2359530.4760058
Surface area
16702152201600
Volume
4644423136539584000
Space diagonal
2889822.8493802
Perimeter
5005320
Area
1205374008705
Altitude
1444911.4246901
Surface area
1205374008705
Volume
5.4735051575781E+17
Height
786510.15866859