388629938 is an even 9-digits composite number following 388629937
and preceding 388629939 . In scientific notation, it is written as 3.88629938 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 194314968 positive integers (up to 388629938) that are relatively prime to 388629938.
388629938 has 4 divisors, whose sum is 582944910
The reverse of 388629938 is 839926883
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 56 Digital Root 2
Name
three hundred eighty-eight million six hundred twenty-nine thousand nine hundred thirty-eight
Scientific notation
3.88629938 × 10^8
Engineering notation
3.88629938 × 10^6
Prime Factorization
2 × 194314969
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
388629938 Product of the distinct prime numbers
The prime factorization of 388629938 is 2 × 194314969.
Since it has a total of 2 prime factors.
7 , 4 , 22 , 36 , 57 , 699 , 9979 , 7519 , 31809 , 49492 , 75527 , 677064 , 7344609 , 2895449 , 31325786 , 85464561 , 227838119 , 584495442 , 3313596325 , 4946837792
n×2
777259876
n×3
1165889814
n×4
1554519752
n×5
1943149690
n÷2
194314969
n÷3
129543312.66667
n÷3
97157484.5
n÷5
77725987.6
n2
151033228709883844
n3
5.8696034309462E+25
n4
2.2811036174532E+34
n5
8.8650515742242E+42
2 √n19713.69924697
3 √n729.75780919292
4 √n140.40548154175
5 √n52.228463628655
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-388629937 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388629938 can be divided by 4 positive divisors.
The sum of these divisors (counting 388629938) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100000010110110010
3
Ternary
1000002021110001102
4
Quaternary
113022200112302
5
Quinary
1243442124223
6
Senary
102321404402
8
Octal
2712402662
10
Decimal
388629938
12
Duodecimal
aa199702
16
Hexadecimal
172a05b2
20
Vigesimal
618iegi
36
Base36
6fdos2
md5
e182626b52ae68ed5793d9235906dfa2
sha1
1efae0400c08957818333231537fe61888011444
sha256
eaaaaebe71147a9d80514a5cade523d4bf101cb555662f226418da0b82ae98e3
sha512
746d9295be4876151feee80243234d6fef1f4edab28c035dc0e11a690006e9dde0f75eddf972628d0ed2cd30d136f54e92540d9339e00db4d32128b4e7e7076d
ripemd-160
f4e1facbdce15042b028bb9933082300727476dd
Diameter
777259876
Circumference
2441833916.3717
Area
4.7448488176292E+17
Volume
2.4586537357528E+26
Surface area
1.8979395270517E+18
Circumference
2441833916.3717
Perimeter
1554519752
Area
151033228709883844
Diagonal
549605729.06382
Surface area
906199372259303064
Volume
5.8696034309462E+25
Space diagonal
673126797.95834
Perimeter
1165889814
Area
6.5399306439172E+16
Altitude
336563398.97917
Surface area
6.5399306439172E+16
Volume
6.9173939814965E+24
Height
183201909.68794