397687644 is an even 9-digits composite number following 397687643
and preceding 397687645 . In scientific notation, it is written as 3.97687644 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 132562440 positive integers (up to 397687644) that are relatively prime to 397687644.
397687644 has 24 divisors, whose sum is 962306688
The reverse of 397687644 is 446786793
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred ninety-seven million six hundred eighty-seven thousand six hundred forty-four
Scientific notation
3.97687644 × 10^8
Engineering notation
3.97687644 × 10^6
Prime Factorization
2 × 2 × 27 × 3 × 1227431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
198843822
Product of the distinct prime numbers
The prime factorization of 397687644 is 2 × 2 × 27 × 3 × 1227431.
Since it has a total of 5 prime factors.
4 , 1 , 37 , 78 , 697 , 218 , 9950 , 6587 , 41701 , 16167 , 227917 , 703124 , 4353789 , 1543377 , 57076785 , 59896847 , 687178721 , 127502418 , 4851445683 , 3274090547
n×2
795375288
n×3
1193062932
n×4
1590750576
n×5
1988438220
n÷2
198843822
n÷3
132562548
n÷3
99421911
n÷5
79537528.8
n2
158155462190270736
n3
6.289647314418E+25
n4
2.5013150220618E+34
n5
9.9474207802557E+42
2 √n
19942.107310914
3 √n
735.38375628401
4 √n
141.2165263378
5 √n
52.469680485511
1 , 2 , 3 , 4 , 6 , 12 , 27 , 54 , 81 , 108 , 162 , 324 , 1227431 , 2454862 , 3682293 , 4909724 , 7364586 , 14729172 , 33140637 , 66281274 , 99421911 , 132562548 , 198843822 , 397687644
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397687643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397687644 can be divided by 24 positive divisors.
The sum of these divisors (counting 397687644) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111101101000011101101011100
3
Ternary
1000201022121220000
4
Quaternary
113231003231130
5
Quinary
1303302001034
6
Senary
103243454300
8
Octal
2755035534
10
Decimal
397687644
12
Duodecimal
b1227390
16
Hexadecimal
17b43b5c
20
Vigesimal
645aj24
36
Base36
6krtr0
md5
f621ea02dae8404f8c7432b1f5d0246f
sha1
b2ceea1b69990c4ca1b3b02a0975bc354de3ec80
sha256
256ba55a2a5060e0b7e4b753941ef54de737d1d1354c6d39c7a905b7fd52fd87
sha512
62edcd8d5702d8efb6203137bfa48f49d3bbaa2e1f2c447ff61da82597c7bf80dacec228602d247fa2f929930ece9b24989394ab9988a5f0ca6a0ba4fe6460f1
ripemd-160
0b7bf5ed92064931eddee89ef2aa1512fd47d902
Diameter
795375288
Circumference
2498745161.6277
Area
4.9686003814205E+17
Volume
2.6346013062195E+26
Surface area
1.9874401525682E+18
Circumference
2498745161.6277
Perimeter
1590750576
Area
158155462190270736
Diagonal
562415259.733
Surface area
948932773141624416
Volume
6.289647314418E+25
Space diagonal
688815204.95036
Perimeter
1193062932
Area
6.8483324002022E+16
Altitude
344407602.47518
Surface area
6.8483324002022E+16
Volume
7.4124204454945E+24
Height
187471753.24433