1640690 is an even 7-digits composite number following 1640689
and preceding 1640691 . In scientific notation, it is written as 1.640690 × 10^6.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 652080 positive integers (up to 1640690) that are relatively prime to 1640690.
1640690 has 16 divisors, whose sum is 2972160
The reverse of 1640690 is 0960461
Previous prime number is 191
Is Prime? no
Number parity even
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million six hundred forty thousand six hundred ninety
Scientific notation
1.640690 × 10^6
Engineering notation
1.640690 × 10^6
Prime Factorization
2 × 5 × 191 × 859
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1640690
Product of the distinct prime numbers
The prime factorization of 1640690 is 2 × 5 × 191 × 859.
Since it has a total of 4 prime factors.
3 , 4 , 40 , 15 , 320 , 919 , 6066 , 6789 , 78777 , 19449 , 820719 , 132538 , 3109631 , 8725419 , 20088363 , 52970938 , 726536683 , 992731175 , 3435187885 , 3089671357
n×2
3281380
n×3
4922070
n×4
6562760
n×5
8203450
n÷2
820345
n÷3
546896.66666667
n÷3
410172.5
n÷5
328138
n2
2691863676100
n3
4416513814740509000
n4
7.2461300507066E+24
n5
1.1888653112894E+31
2 √n
1280.8942188955
3 √n
117.9439070752
4 √n
35.789582547098
5 √n
17.498680684055
1 , 2 , 5 , 10 , 191 , 382 , 859 , 955 , 1718 , 1910 , 4295 , 8590 , 164069 , 328138 , 820345 , 1640690
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640690 can be divided by 16 positive divisors.
The sum of these divisors (counting 1640690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010000100011110010
3
Ternary
10002100121022
4
Quaternary
12100203302
5
Quinary
410000230
6
Senary
55055442
8
Octal
6204362
10
Decimal
1640690
12
Duodecimal
671582
16
Hexadecimal
1908f2
20
Vigesimal
a51ea
36
Base36
z5yq
md5
7c88e62caaab7de760f240c221289df5
sha1
1810a0be61b903b0a4487b5c6368b9ab430aa32b
sha256
8ad48d2a0e99394bdcb7ef44f3072dda569fbf402de11abc29c028dface679b1
sha512
d4337323edb0d93b91a32f4cd348818cf26adfab37c26eebc730be1ea687e49f7767122e0f36c4932b6692153341462de1c1e4ec288eafbef239ee8a8b284d7d
ripemd-160
469b9e04278b41e29cbfc72d4576bff8dec72680
Diameter
3281380
Circumference
10308759.301636
Area
8456739149301
Volume
1.8499849806489E+19
Surface area
33826956597204
Circumference
10308759.301636
Perimeter
6562760
Area
2691863676100
Diagonal
2320286.0496499
Surface area
16151182056600
Volume
4416513814740509000
Space diagonal
2841758.4394702
Perimeter
4922070
Area
1165611163513.6
Altitude
1420879.2197351
Surface area
1165611163513.6
Volume
5.2049114460118E+17
Height
773428.68321664