388637421 is an odd 9-digits composite number following 388637420
and preceding 388637422 . In scientific notation, it is written as 3.88637421 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 250733760 positive integers (up to 388637421) that are relatively prime to 388637421.
388637421 has 8 divisors, whose sum is 534898944
The reverse of 388637421 is 124736883
Previous prime number is 31
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
three hundred eighty-eight million six hundred thirty-seven thousand four hundred twenty-one
Scientific notation
3.88637421 × 10^8
Engineering notation
3.88637421 × 10^6
Prime Factorization
3 × 31 × 4178897
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
388637421 Product of the distinct prime numbers
The prime factorization of 388637421 is 3 × 31 × 4178897.
Since it has a total of 3 prime factors.
3 , 1 , 7 , 6 , 850 , 697 , 6077 , 5109 , 47117 , 63975 , 205218 , 39006 , 5179619 , 837836 , 16820908 , 5393382 , 504450322 , 699165704 , 3251471779 , 2159503253
n×2
777274842
n×3
1165912263
n×4
1554549684
n×5
1943187105
n÷2
194318710.5
n÷3
129545807
n÷3
97159355.25
n÷5
77727484.2
n2
151039045001531241
n3
5.8699424919698E+25
n4
2.2812793114975E+34
n5
8.8659050820103E+42
2 √n19713.889037935
3 √n729.76249294825
4 √n140.40615740748
5 √n52.228664757053
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
-388637420 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 388637421 can be divided by 8 positive divisors.
The sum of these divisors (counting 388637421) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010100010001011101101
3
Ternary
1000002021211022120
4
Quaternary
113022202023231
5
Quinary
1243442344141
6
Senary
102321503153
8
Octal
2712421355
10
Decimal
388637421
12
Duodecimal
aa1a1ab9
16
Hexadecimal
172a22ed
20
Vigesimal
618jdb1
36
Base36
6fdujx
md5
3d7fff02a9be956a0942054e2d293cf6
sha1
08b8c80c1d52e30c6edd9b6828836e52e28f8cca
sha256
059a97f61da4568fca81045cfedda27384269c75eb546ecf826f675e6e3b11a8
sha512
72add277b990494e603967594da7c08d1ab486e76832c0d2f72f7ca752a7a0792e5f34fdd7968fc5cacbfda92edcecc12cb5bfe92edef2a2266f723e6c0f6acc
ripemd-160
1ed7a5130bdb6058e02041b53bab9f837565458d
Diameter
777274842
Circumference
2441880933.4474
Area
4.7450315418203E+17
Volume
2.4587957613023E+26
Surface area
1.8980126167281E+18
Circumference
2441880933.4474
Perimeter
1554549684
Area
151039045001531241
Diagonal
549616311.6239
Surface area
906234270009187446
Volume
5.8699424919698E+25
Space diagonal
673139758.89454
Perimeter
1165912263
Area
6.5401824967334E+16
Altitude
336569879.44727
Surface area
6.5401824967334E+16
Volume
6.9177935687449E+24
Height
183205437.20797