1388401857 is an odd 10-digits composite number following 1388401856
and preceding 1388401858 . In scientific notation, it is written as 1.388401857 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 925329312 positive integers (up to 1388401857) that are relatively prime to 1388401857.
1388401857 has 16 divisors, whose sum is 2057496000
The reverse of 1388401857 is 7581048831
Previous prime number is 5179
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion three hundred eighty-eight million four hundred one thousand eight hundred fifty-seven
Scientific notation
1.388401857 × 10^9
Engineering notation
1.388401857 × 10^9
Prime Factorization
3 × 9 × 5179 × 9929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1388401857
Product of the distinct prime numbers
The prime factorization of 1388401857 is 3 × 9 × 5179 × 9929.
Since it has a total of 4 prime factors.
5 , 3 , 14 , 55 , 673 , 961 , 7612 , 2318 , 69564 , 59474 , 974192 , 567367 , 7477794 , 8524287 , 99563948 , 30770177 , 801151494 , 811276656 , 3473539272 , 5640375781
n×2
2776803714
n×3
4165205571
n×4
5553607428
n×5
6942009285
n÷2
694200928.5
n÷3
462800619
n÷3
347100464.25
n÷5
277680371.4
n2
1927659716521048449
n3
2.6763663300819E+27
n4
3.715871982698E+36
n5
5.1591235611522E+45
2 √n
37261.264833604
3 √n
1115.5911541459
4 √n
193.03177156521
5 √n
67.375660727173
1 , 3 , 9 , 27 , 5179 , 9929 , 15537 , 29787 , 46611 , 89361 , 139833 , 268083 , 51422291 , 154266873 , 462800619 , 1388401857
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388401856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388401857 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388401857) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110000010101010011000001
3
Ternary
10120202112010022000
4
Quaternary
1102300111103001
5
Quinary
10320412324412
6
Senary
345434134213
8
Octal
12260252301
10
Decimal
1388401857
12
Duodecimal
328b81369
16
Hexadecimal
52c154c1
20
Vigesimal
11dha4ch
36
Base36
mym9q9
md5
4cbddcdb0441ed2e9b530b5c5e4fe982
sha1
9f6fca1e7284f7e2fa6726e8e37d1ac8085feab8
sha256
87171e9d75fb30c159f8891f77fe2867e03f14587283d6e1c85bb4307eb895b4
sha512
4ed63b935a81f90a2fb22e13bd841f66d4454c4432263432a0124b47fbbce2a66a8b818c23049a84894cc60dfbd9aae4b9bf041e50690ac787f8bb52850072fb
ripemd-160
6ce8b92e0171ea620c3238503317442a87f7a264
Diameter
2776803714
Circumference
8723586148.3633
Area
6.0559216040435E+18
Volume
1.1210737067867E+28
Surface area
2.4223686416174E+19
Circumference
8723586148.3633
Perimeter
5553607428
Area
1927659716521048449
Diagonal
1963496736.1934
Surface area
1.1565958299126E+19
Volume
2.6763663300819E+27
Space diagonal
2404782557.647
Perimeter
4165205571
Area
8.3470114217957E+17
Altitude
1202391278.8235
Surface area
8.3470114217957E+17
Volume
3.1541279682338E+26
Height
654498912.06446