1681640 is an even 7-digits composite number following 1681639
and preceding 1681641 . In scientific notation, it is written as 1.681640 × 10^6.
The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors.
There are 632832 positive integers (up to 1681640) that are relatively prime to 1681640.
1681640 has 32 divisors, whose sum is 4007880
The reverse of 1681640 is 0461861
Previous prime number is 17
Is Prime? no
Number parity even
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million six hundred eighty-one thousand six hundred forty
Scientific notation
1.681640 × 10^6
Engineering notation
1.681640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 17 × 2473
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
420410
Product of the distinct prime numbers
The prime factorization of 1681640 is 2 × 2 × 2 × 5 × 17 × 2473.
Since it has a total of 6 prime factors.
1 , 8 , 76 , 87 , 891 , 717 , 4874 , 4821 , 73976 , 8463 , 47907 , 204902 , 6861328 , 372532 , 49947155 , 26611423 , 492970014 , 124259842 , 7756960697 , 9874139943
n×2
3363280
n×3
5044920
n×4
6726560
n×5
8408200
n÷2
840820
n÷3
560546.66666667
n÷3
420410
n÷5
336328
n2
2827913089600
n3
4755531767994944000
n4
7.997092442331E+24
n5
1.3448230534722E+31
2 √n
1296.7806290965
3 √n
118.91710914154
4 √n
36.010840438631
5 √n
17.585171405565
1 , 2 , 4 , 5 , 8 , 10 , 17 , 20 , 34 , 40 , 68 , 85 , 136 , 170 , 340 , 680 , 2473 , 4946 , 9892 , 12365 , 19784 , 24730 , 42041 , 49460 , 84082 , 98920 , 168164 , 210205 , 336328 , 420410 , 840820 , 1681640
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
-1681639
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 1681640 can be divided by 32 positive divisors.
The sum of these divisors (counting 1681640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110011010100011101000
3
Ternary
10011102202222
4
Quaternary
12122203220
5
Quinary
412303030
6
Senary
100013212
8
Octal
6324350
10
Decimal
1681640
12
Duodecimal
691208
16
Hexadecimal
19a8e8
20
Vigesimal
aa420
36
Base36
101k8
md5
82981e155c51b5b2aa03cb389d9204b2
sha1
75507e8bc554e1bf732b43d7803e4e3c393e94a8
sha256
2e4fd71536f02453b27e79b8c1fc537aecbc7fbc91acdaa76896b5ee2968c76a
sha512
be20c95768685f7706600ba851772d531c9b08135d2bdeb971d7f431bcb8ce5be8ae0106a6d5efd443373798e0a3929aa89705a49dff0d725a3b354b68b10f52
ripemd-160
32c2b60b58cdddfaeaa94598eba637bffb5fb2a6
Diameter
3363280
Circumference
10566055.739965
Area
8884150987277.8
Volume
1.9919924888328E+19
Surface area
35536603949111
Circumference
10566055.739965
Perimeter
6726560
Area
2827913089600
Diagonal
2378198.0950291
Surface area
16967478537600
Volume
4755531767994944000
Space diagonal
2912685.9200401
Perimeter
5044920
Area
1224522287644.1
Altitude
1456342.9600201
Surface area
1224522287644.1
Volume
5.6044479354955E+17
Height
792732.69834303