388646988 is an even 9-digits composite number following 388646987
and preceding 388646989 . In scientific notation, it is written as 3.88646988 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 12 positive divisors.
There are 129548992 positive integers (up to 388646988) that are relatively prime to 388646988.
388646988 has 12 divisors, whose sum is 906843000
The reverse of 388646988 is 889646883
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 60 Digital Root 6
Name
three hundred eighty-eight million six hundred forty-six thousand nine hundred eighty-eight
Scientific notation
3.88646988 × 10^8
Engineering notation
3.88646988 × 10^6
Prime Factorization
2 × 2 × 3 × 32387249
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
194323494 Product of the distinct prime numbers
The prime factorization of 388646988 is 2 × 2 × 3 × 32387249.
Since it has a total of 4 prime factors.
5 , 2 , 35 , 53 , 395 , 891 , 5971 , 4592 , 37771 , 20289 , 976269 , 873889 , 8279227 , 1803548 , 12270316 , 89092895 , 179401864 , 588844537 , 3871862012 , 5744993275
n×2
777293976
n×3
1165940964
n×4
1554587952
n×5
1943234940
n÷2
194323494
n÷3
129548996
n÷3
97161747
n÷5
77729397.6
n2
151046481281472144
n3
5.8703759998043E+25
n4
2.2815039507514E+34
n5
8.8669963856964E+42
2 √n19714.131682628
3 √n729.76848103218
4 √n140.40702148621
5 √n52.22892189478
1 , 2 , 3 , 4 , 6 , 12 , 32387249 , 64774498 , 97161747 , 129548996 , 194323494 , 388646988
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-388646987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388646988 can be divided by 12 positive divisors.
The sum of these divisors (counting 388646988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010100100100001001100
3
Ternary
1000002022022102220
4
Quaternary
113022210201030
5
Quinary
1243443200423
6
Senary
102322015340
8
Octal
2712444114
10
Decimal
388646988
12
Duodecimal
aa1a7550
16
Hexadecimal
172a484c
20
Vigesimal
6190h98
36
Base36
6fe1xo
md5
0fe552f7edd44568529f7d7f377d79ad
sha1
188d0e7a7b789752cf1d3597a954dcc6a6fdb0fb
sha256
d52bcbe67e457469725d38dfd713c33a9dc8e893ca4bdd48acaae8263bb6442d
sha512
613a61ecaa5c95ae592f51ff99fbd3a14f200302de70dc4fa6414c09fdba09198b325f998a45cb80831c4a3f34578af391dbdfd4348165d28409a2e7f0be1930
ripemd-160
52e698a304b575839a0bddbd5a8eb3ccbb6b13c5
Diameter
777293976
Circumference
2441941044.6812
Area
4.7452651594446E+17
Volume
2.4589773486393E+26
Surface area
1.8981060637778E+18
Circumference
2441941044.6812
Perimeter
1554587952
Area
151046481281472144
Diagonal
549629841.40505
Surface area
906278887688832864
Volume
5.8703759998043E+25
Space diagonal
673156329.42461
Perimeter
1165940964
Area
6.5405044971003E+16
Altitude
336578164.71231
Surface area
6.5405044971003E+16
Volume
6.9183044626272E+24
Height
183209947.13502