388613281 is an odd 9-digits composite number following 388613280
and preceding 388613282 . In scientific notation, it is written as 3.88613281 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 329461200 positive integers (up to 388613281) that are relatively prime to 388613281.
388613281 has 16 divisors, whose sum is 449003520
The reverse of 388613281 is 182316883
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
three hundred eighty-eight million six hundred thirteen thousand two hundred eighty-one
Scientific notation
3.88613281 × 10^8
Engineering notation
3.88613281 × 10^6
Prime Factorization
7 × 347 × 139 × 1151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388613281
Product of the distinct prime numbers
The prime factorization of 388613281 is 7 × 347 × 139 × 1151.
Since it has a total of 4 prime factors.
4 , 5 , 89 , 2 , 212 , 471 , 957 , 3173 , 61675 , 78898 , 18897 , 360652 , 7092650 , 6539121 , 22899388 , 36636478 , 23926640 , 597438554 , 8293727776 , 1654485541
n×2
777226562
n×3
1165839843
n×4
1554453124
n×5
1943066405
n÷2
194306640.5
n÷3
129537760.33333
n÷3
97153320.25
n÷5
77722656.2
n2
151020282169584961
n3
5.8688487351468E+25
n4
2.2807125626581E+34
n5
8.8631519199248E+42
2 √n
19713.276769731
3 √n
729.74738303656
4 √n
140.40397704385
5 √n
52.228015909965
1 , 7 , 139 , 347 , 973 , 1151 , 2429 , 8057 , 48233 , 159989 , 337631 , 399397 , 1119923 , 2795779 , 55516183 , 388613281
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
-388613280
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 388613281 can be divided by 16 positive divisors.
The sum of these divisors (counting 388613281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010011100010010100001
3
Ternary
1000002020121012111
4
Quaternary
113022130102201
5
Quinary
1243441111111
6
Senary
102321155321
8
Octal
2712342241
10
Decimal
388613281
12
Duodecimal
aa18bb41
16
Hexadecimal
1729c4a1
20
Vigesimal
618gd41
36
Base36
6fdbxd
md5
716756eabc447eb19074c88ed0d344e1
sha1
96ccf546273f0408600788a2bc5d8205061df35d
sha256
bcb7481c5008c843f4bb10a435c7e6e6b37938023b686475bfde9fd8891295a5
sha512
ba521df53016c26bd8ecf1e19e6084b23a5ad7cbb7c8915ec097320078241e993c922448ec01a7abc5253eb7a462d6f9a547a3ff1842bc18d915f353cede484a
ripemd-160
25ce3d559d06670589b545a4a9fd7c4fb19063ff
Diameter
777226562
Circumference
2441729257.3541
Area
4.7444420900703E+17
Volume
2.4583376095156E+26
Surface area
1.8977768360281E+18
Circumference
2441729257.3541
Perimeter
1554453124
Area
151020282169584961
Diagonal
549582172.50851
Surface area
906121693017509766
Volume
5.8688487351468E+25
Space diagonal
673097947.18804
Perimeter
1165839843
Area
6.5393700422777E+16
Altitude
336548973.59402
Surface area
6.5393700422777E+16
Volume
6.9165045639673E+24
Height
183194057.50284