6397890 is an even 7-digits composite number following 6397889
and preceding 6397891 . In scientific notation, it is written as 6.397890 × 10^6.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 1706096 positive integers (up to 6397890) that are relatively prime to 6397890.
6397890 has 16 divisors, whose sum is 15355008
The reverse of 6397890 is 0987936
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 42
Digital Root 6
Name
six million three hundred ninety-seven thousand eight hundred ninety
Scientific notation
6.397890 × 10^6
Engineering notation
6.397890 × 10^6
Prime Factorization
2 × 5 × 3 × 213263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6397890
Product of the distinct prime numbers
The prime factorization of 6397890 is 2 × 5 × 3 × 213263.
Since it has a total of 4 prime factors.
9 , 7 , 43 , 60 , 347 , 523 , 7483 , 9216 , 37418 , 27228 , 673407 , 597132 , 1973955 , 2894365 , 45429291 , 31333740 , 952130466 , 535267249 , 4828538148 , 388660465
n×2
12795780
n×3
19193670
n×4
25591560
n×5
31989450
n÷2
3198945
n÷3
2132630
n÷3
1599472.5
n÷5
1279578
n2
40932996452100
n3
2.6188480867093E+20
n4
1.6755101985476E+27
n5
1.0719729944186E+34
2 √n
2529.4050683906
3 √n
185.64314745091
4 √n
50.293191073848
5 √n
22.972452054175
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 213263 , 426526 , 639789 , 1066315 , 1279578 , 2132630 , 3198945 , 6397890
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
-6397889
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 6397890 can be divided by 16 positive divisors.
The sum of these divisors (counting 6397890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000011001111111000010
3
Ternary
110001001020220
4
Quaternary
120121333002
5
Quinary
3114213030
6
Senary
345043510
8
Octal
30317702
10
Decimal
6397890
12
Duodecimal
2186596
16
Hexadecimal
619fc2
20
Vigesimal
1jjeea
36
Base36
3t4n6
md5
1f36a7bac36829e4900c9fcd067f864b
sha1
168ddc7babdf56f6a29b898e3eafdb1d4c0f3661
sha256
5e5db7a5eeadc7109332d468cd4043fcca7b33f7c3bbf297feca658369ba748f
sha512
74ee9f027ab6356479b1ed0146501aa4ca65e4ad479bb175a1d5a937acac26ee5cffad12cd0b9afa7c5ee07f1a67dc4d48225ddbc6df4d2eaa04de9337c3a9e4
ripemd-160
613ee985781ddee09bc64bacbdb035cf0277ac56
Diameter
12795780
Circumference
40199128.444951
Area
1.2859480094333E+14
Volume
1.0969805213431E+21
Surface area
5.1437920377334E+14
Circumference
40199128.444951
Perimeter
25591560
Area
40932996452100
Diagonal
9047982.8085712
Surface area
245597978712600
Volume
2.6188480867093E+20
Space diagonal
11081470.541237
Perimeter
19193670
Area
17724507390268
Altitude
5540735.2706184
Surface area
17724507390268
Volume
3.0863420683492E+19
Height
3015994.2695237