1388408421 is an odd 10-digits composite number following 1388408420
and preceding 1388408422 . In scientific notation, it is written as 1.388408421 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 922590000 positive integers (up to 1388408421) that are relatively prime to 1388408421.
1388408421 has 8 divisors, whose sum is 1857242464
The reverse of 1388408421 is 1248048831
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion three hundred eighty-eight million four hundred eight thousand four hundred twenty-one
Scientific notation
1.388408421 × 10^9
Engineering notation
1.388408421 × 10^9
Prime Factorization
3 × 307 × 1507501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388408421
Product of the distinct prime numbers
The prime factorization of 1388408421 is 3 × 307 × 1507501.
Since it has a total of 3 prime factors.
10 , 2 , 67 , 6 , 947 , 162 , 4977 , 8689 , 10363 , 85316 , 659558 , 221638 , 1783560 , 5733235 , 33577834 , 240840 , 410011621 , 737511269 , 6402006185 , 1934677584
n×2
2776816842
n×3
4165225263
n×4
5553633684
n×5
6942042105
n÷2
694204210.5
n÷3
462802807
n÷3
347102105.25
n÷5
277681684.2
n2
1927677943503713241
n3
2.6764042897365E+27
n4
3.7159422538707E+36
n5
5.1592455172238E+45
2 √n
37261.352914246
3 √n
1115.5929122173
4 √n
193.03199971571
5 √n
67.375724433945
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
-1388408420
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 1388408421 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388408421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010110111001100101
3
Ternary
10120202112110022010
4
Quaternary
1102300112321211
5
Quinary
10320413032141
6
Senary
345434224433
8
Octal
12260267145
10
Decimal
1388408421
12
Duodecimal
328b85119
16
Hexadecimal
52c16e65
20
Vigesimal
11dhb111
36
Base36
mymesl
md5
67b191de12ecba26003717c62afa8a49
sha1
b3d3536c724c5276829fe076b48b9f13b55ab728
sha256
232e84635374dab9b3b7dbc5552e77c17f616bbf570a3cd50489175dfc8c9b43
sha512
00ad88456e387414f506332101f056e2987662745b31007fba1e63c9e85e96611c598a5fc659864a2f73a6c00db2148245558e75a3a157db94b007516cd39128
ripemd-160
01a6eada26fc5298ed9a535391fa64fd637b6cda
Diameter
2776816842
Circumference
8723627391.1916
Area
6.0559788657983E+18
Volume
1.1210896072897E+28
Surface area
2.4223915463193E+19
Circumference
8723627391.1916
Perimeter
5553633684
Area
1927677943503713241
Diagonal
1963506019.0912
Surface area
1.1566067661022E+19
Volume
2.6764042897365E+27
Space diagonal
2404793926.8285
Perimeter
4165225263
Area
8.3470903469458E+17
Altitude
1202396963.4142
Surface area
8.3470903469458E+17
Volume
3.1541727041158E+26
Height
654502006.36374