388631212 is an even 9-digits composite number following 388631211
and preceding 388631213 . In scientific notation, it is written as 3.88631212 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 192917376 positive integers (up to 388631212) that are relatively prime to 388631212.
388631212 has 12 divisors, whose sum is 684998440
The reverse of 388631212 is 212136883
Previous prime number is 139
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
three hundred eighty-eight million six hundred thirty-one thousand two hundred twelve
Scientific notation
3.88631212 × 10^8
Engineering notation
3.88631212 × 10^6
Prime Factorization
2 × 2 × 139 × 698977
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194315606
Product of the distinct prime numbers
The prime factorization of 388631212 is 2 × 2 × 139 × 698977.
Since it has a total of 4 prime factors.
10 , 1 , 16 , 38 , 405 , 56 , 2380 , 4203 , 67934 , 5398 , 747050 , 527888 , 9567313 , 6650188 , 19910365 , 34975820 , 398129287 , 579185274 , 7802768054 , 7862226212
n×2
777262424
n×3
1165893636
n×4
1554524848
n×5
1943156060
n÷2
194315606
n÷3
129543737.33333
n÷3
97157803
n÷5
77726242.4
n2
151034218940588944
n3
5.8696611560354E+25
n4
2.2811335290994E+34
n5
8.8651968814773E+42
2 √n
19713.731559499
3 √n
729.75860661856
4 √n
140.40559661032
5 √n
52.228497871501
1 , 2 , 4 , 139 , 278 , 556 , 698977 , 1397954 , 2795908 , 97157803 , 194315606 , 388631212
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
-388631211
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 388631212 can be divided by 12 positive divisors.
The sum of these divisors (counting 388631212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010100000101010101100
3
Ternary
1000002021111210121
4
Quaternary
113022200222230
5
Quinary
1243442144322
6
Senary
102321414324
8
Octal
2712405254
10
Decimal
388631212
12
Duodecimal
aa19a3a4
16
Hexadecimal
172a0aac
20
Vigesimal
618ii0c
36
Base36
6fdprg
md5
da881ee54529217fa7e3d7b326c8b3ab
sha1
4e799b13c7795c9241916caea4467b3d6540f9b5
sha256
d3fcd8a2a83a420f5119850679ba2fa886d9b8757a47b9dd57a7911881b119fa
sha512
e95e6f4e4c066df6a227ceecdaac69870fe5e6ae10dda95df00f8798d0019fd93c87feb611a3dae3c2a9236992bac39f86a073fa4179272080166340f2bb878a
ripemd-160
c5697c631e2dd77ced1ead8842ddff623f2171ab
Diameter
777262424
Circumference
2441841921.1498
Area
4.7448799266443E+17
Volume
2.4586779155816E+26
Surface area
1.8979519706577E+18
Circumference
2441841921.1498
Perimeter
1554524848
Area
151034218940588944
Diagonal
549607530.77189
Surface area
906205313643533664
Volume
5.8696611560354E+25
Space diagonal
673129004.59107
Perimeter
1165893636
Area
6.5399735221645E+16
Altitude
336564502.29554
Surface area
6.5399735221645E+16
Volume
6.9174620111666E+24
Height
183202510.2573