397788145 is an odd 9-digits composite number following 397788144
and preceding 397788146 . In scientific notation, it is written as 3.97788145 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 318230512 positive integers (up to 397788145) that are relatively prime to 397788145.
397788145 has 4 divisors, whose sum is 477345780
The reverse of 397788145 is 541887793
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred ninety-seven million seven hundred eighty-eight thousand one hundred forty-five
Scientific notation
3.97788145 × 10^8
Engineering notation
3.97788145 × 10^6
Prime Factorization
5 × 79557629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
397788145
Product of the distinct prime numbers
The prime factorization of 397788145 is 5 × 79557629.
Since it has a total of 2 prime factors.
4 , 4 , 97 , 94 , 818 , 307 , 188 , 5693 , 13264 , 14172 , 503183 , 506887 , 3062372 , 4980076 , 64760866 , 5156918 , 77202321 , 295858311 , 2279391591 , 8511564210
n×2
795576290
n×3
1193364435
n×4
1591152580
n×5
1988940725
n÷2
198894072.5
n÷3
132596048.33333
n÷3
99447036.25
n÷5
79557629
n2
158235408302541025
n3
6.2944169541985E+25
n4
2.5038444440672E+34
n5
9.9599963677404E+42
2 √n
19944.626970691
3 √n
735.4456981783
4 √n
141.22544731985
5 √n
52.472332175836
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397788144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397788145 can be divided by 4 positive divisors.
The sum of these divisors (counting 397788145) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111101101011100001111110001
3
Ternary
1000201111201202021
4
Quaternary
113231130033301
5
Quinary
1303313210040
6
Senary
103245551441
8
Octal
2755341761
10
Decimal
397788145
12
Duodecimal
b1275581
16
Hexadecimal
17b5c3f1
20
Vigesimal
6463a75
36
Base36
6ktzap
md5
6cc2e5727d432036b84b78801447b514
sha1
8e64f3943623db463801a63a1ba9e6986884cf7b
sha256
aeba46e695f8edecf9be2dcb256bb3ba1a42b9a9afba7e8563c6290cdccefeb7
sha512
5a34d2292a3f0c1be75be0efcc26e7a3ec20e9afcacc5bbfd24679090107c102bd487237f8eaf9c2de3075f0fb8918ed40f9457a508291bcab5c5401b5871457
ripemd-160
bceaf7c1f59faec63cd44523f60770164fb9fe4f
Diameter
795576290
Circumference
2499376628.0342
Area
4.9711119626104E+17
Volume
2.6365992082588E+26
Surface area
1.9884447850442E+18
Circumference
2499376628.0342
Perimeter
1591152580
Area
158235408302541025
Diagonal
562557389.61024
Surface area
949412449815246150
Volume
6.2944169541985E+25
Space diagonal
688989277.78858
Perimeter
1193364435
Area
6.8517941684102E+16
Altitude
344494638.89429
Surface area
6.8517941684102E+16
Volume
7.4180415198823E+24
Height
187519129.87008