397788681 is an odd 9-digits composite number following 397788680
and preceding 397788682 . In scientific notation, it is written as 3.97788681 × 10^8.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 265093920 positive integers (up to 397788681) that are relatively prime to 397788681.
397788681 has 8 divisors, whose sum is 530581984
The reverse of 397788681 is 186887793
Previous prime number is 2857
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred ninety-seven million seven hundred eighty-eight thousand six hundred eighty-one
Scientific notation
3.97788681 × 10^8
Engineering notation
3.97788681 × 10^6
Prime Factorization
3 × 2857 × 46411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397788681
Product of the distinct prime numbers
The prime factorization of 397788681 is 3 × 2857 × 46411.
Since it has a total of 3 prime factors.
3 , 8 , 16 , 70 , 364 , 213 , 1561 , 4161 , 46227 , 81799 , 389781 , 396595 , 8456094 , 8374987 , 51842319 , 39274043 , 972070512 , 745991557 , 5665760091 , 8666371795
n×2
795577362
n×3
1193366043
n×4
1591154724
n×5
1988943405
n÷2
198894340.5
n÷3
132596227
n÷3
99447170.25
n÷5
79557736.2
n2
158235834731719761
n3
6.2944423984865E+25
n4
2.5038579393244E+34
n5
9.9600634709524E+42
2 √n
19944.640407889
3 √n
735.44602850382
4 √n
141.22549489341
5 √n
52.472346316607
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397788680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397788681 can be divided by 8 positive divisors.
The sum of these divisors (counting 397788681) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101101011100011000001001
3
Ternary
1000201111202111010
4
Quaternary
113231130120021
5
Quinary
1303313214211
6
Senary
103245554133
8
Octal
2755343011
10
Decimal
397788681
12
Duodecimal
b1275949
16
Hexadecimal
17b5c609
20
Vigesimal
6463be1
36
Base36
6ktzpl
md5
2d80cc65530320617666fbe0b4ac605c
sha1
eed8373199e1b7b69e7452d0e02e1581e8d5cb76
sha256
92c44b3897d18fe9db760fde37a7da178156ee395ecc45e1eed9023583c6f971
sha512
c864238ea00eaafcc3a02f7d8b53253490fde919add01f2e1c4822c0a6bdcdb14c34a0985c803b8935160d49ea56538916bd9262804771c0175e0ffb23d8e001
ripemd-160
b6f151f9dcdbc1f9eb88590f93db700a847b3a1e
Diameter
795577362
Circumference
2499379995.8215
Area
4.9711253592782E+17
Volume
2.6366098663372E+26
Surface area
1.9884501437113E+18
Circumference
2499379995.8215
Perimeter
1591154724
Area
158235834731719761
Diagonal
562558147.6287
Surface area
949415008390318566
Volume
6.2944423984865E+25
Space diagonal
688990206.16781
Perimeter
1193366043
Area
6.8518126333353E+16
Altitude
344495103.0839
Surface area
6.8518126333353E+16
Volume
7.4180715062632E+24
Height
187519382.5429