388621946 is an even 9-digits composite number following 388621945
and preceding 388621947 . In scientific notation, it is written as 3.88621946 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 194217660 positive integers (up to 388621946) that are relatively prime to 388621946.
388621946 has 8 divisors, whose sum is 583212864
The reverse of 388621946 is 649126883
Previous prime number is 2131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
three hundred eighty-eight million six hundred twenty-one thousand nine hundred forty-six
Scientific notation
3.88621946 × 10^8
Engineering notation
3.88621946 × 10^6
Prime Factorization
2 × 2131 × 91183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388621946
Product of the distinct prime numbers
The prime factorization of 388621946 is 2 × 2131 × 91183.
Since it has a total of 3 prime factors.
1 , 10 , 57 , 68 , 59 , 967 , 3973 , 196 , 58839 , 8909 , 474566 , 907835 , 5619965 , 6592046 , 39626184 , 55080826 , 714616442 , 245659763 , 7892413559 , 7584948265
n×2
777243892
n×3
1165865838
n×4
1554487784
n×5
1943109730
n÷2
194310973
n÷3
129540648.66667
n÷3
97155486.5
n÷5
77724389.2
n2
151027016912826916
n3
5.8692413211238E+25
n4
2.2809159837587E+34
n5
8.8641400827082E+42
2 √n
19713.496544246
3 √n
729.75280677818
4 √n
140.40475969228
5 √n
52.228248815912
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
-388621945
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 388621946 can be divided by 8 positive divisors.
The sum of these divisors (counting 388621946) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010011110011001111010
3
Ternary
1000002021001002102
4
Quaternary
113022132121322
5
Quinary
1243441400241
6
Senary
102321303402
8
Octal
2712363172
10
Decimal
388621946
12
Duodecimal
aa194b62
16
Hexadecimal
1729e67a
20
Vigesimal
618heh6
36
Base36
6fdim2
md5
3f5f63f2429ec3fe40ad41f127c13ce0
sha1
4d8ed409e428bb4e248618bccd796f676894f6da
sha256
72f3dd41bf90e7eb0fa1d1f34034b66b32616cc45a01e25ac641d4518ef8bf72
sha512
88c158619af0e95f5886a2cba2444df71d6e11b3d9bcae5a09f53bbc3bb5f61147ab369c411cf98910304c59f168ec43fe691eb04c296473facde19147f8c554
ripemd-160
2e88e8c3df27986cefba26f451956ec9932fb6ec
Diameter
777243892
Circumference
2441783701.1547
Area
4.7446536682692E+17
Volume
2.4585020555451E+26
Surface area
1.8978614673077E+18
Circumference
2441783701.1547
Perimeter
1554487784
Area
151027016912826916
Diagonal
549594426.66902
Surface area
906162101476961496
Volume
5.8692413211238E+25
Space diagonal
673112955.40829
Perimeter
1165865838
Area
6.5396616652145E+16
Altitude
336556477.70414
Surface area
6.5396616652145E+16
Volume
6.9169672309782E+24
Height
183198142.22301