397788690 is an even 9-digits composite number following 397788689
and preceding 397788691 . In scientific notation, it is written as 3.97788690 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 97917120 positive integers (up to 397788690) that are relatively prime to 397788690.
397788690 has 16 divisors, whose sum is 685421184
The reverse of 397788690 is 096887793
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred ninety-seven million seven hundred eighty-eight thousand six hundred ninety
Scientific notation
3.97788690 × 10^8
Engineering notation
3.97788690 × 10^6
Prime Factorization
2 × 15 × 13 × 1019971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
397788690
Product of the distinct prime numbers
The prime factorization of 397788690 is 2 × 15 × 13 × 1019971.
Since it has a total of 4 prime factors.
6 , 6 , 68 , 92 , 814 , 145 , 6368 , 7371 , 78204 , 33256 , 390355 , 761074 , 8993491 , 9258807 , 15222183 , 49571638 , 671419087 , 848390388 , 2166721132 , 8812844165
n×2
795577380
n×3
1193366070
n×4
1591154760
n×5
1988943450
n÷2
198894345
n÷3
132596230
n÷3
99447172.5
n÷5
79557738
n2
158235841891916100
n3
6.2944428257232E+25
n4
2.5038581659243E+34
n5
9.9600645976885E+42
2 √n
19944.640633514
3 √n
735.44603405032
4 √n
141.22549569222
5 √n
52.472346554045
1 , 2 , 13 , 15 , 26 , 30 , 195 , 390 , 1019971 , 2039942 , 13259623 , 15299565 , 26519246 , 30599130 , 198894345 , 397788690
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
-397788689
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 397788690 can be divided by 16 positive divisors.
The sum of these divisors (counting 397788690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111101101011100011000010010
3
Ternary
1000201111202111110
4
Quaternary
113231130120102
5
Quinary
1303313214230
6
Senary
103245554150
8
Octal
2755343022
10
Decimal
397788690
12
Duodecimal
b1275956
16
Hexadecimal
17b5c612
20
Vigesimal
6463bea
36
Base36
6ktzpu
md5
d8f48a907240e01fbcc50c4d4581d5ba
sha1
ad92c04909d283f6609398b5587953053fb33068
sha256
7c3580a3436319d36f64df2f43e3916b0baf8d9b978469a466a8a4be87ef2ffc
sha512
ec19b9134685d597454bb6f97fdcdbf6dd36a791d0ebc2391b5d3ddc3f41ec3c17dcf19f3bcffaf8bc7edc6d40b0b3afafb109c0ed8f7977c3914dbe5bc10834
ripemd-160
6f634557b413ff1e0c6cdad8fe105c5b152b51c8
Diameter
795577380
Circumference
2499380052.3702
Area
4.9711255842224E+17
Volume
2.6366100452977E+26
Surface area
1.988450233689E+18
Circumference
2499380052.3702
Perimeter
1591154760
Area
158235841891916100
Diagonal
562558160.35663
Surface area
949415051351496600
Volume
6.2944428257232E+25
Space diagonal
688990221.75627
Perimeter
1193366070
Area
6.8518129433809E+16
Altitude
344495110.87813
Surface area
6.8518129433809E+16
Volume
7.4180720097665E+24
Height
187519386.78554