1387388628 is an even 10-digits composite number following 1387388627
and preceding 1387388629 . In scientific notation, it is written as 1.387388628 × 10^9.
The sum of its digits is 54. It has a total of 6 prime factors and 24 positive divisors.
There are 462462840 positive integers (up to 1387388628) that are relatively prime to 1387388628.
1387388628 has 24 divisors, whose sum is 3596933760
The reverse of 1387388628 is 8268837831
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion three hundred eighty-seven million three hundred eighty-eight thousand six hundred twenty-eight
Scientific notation
1.387388628 × 10^9
Engineering notation
1.387388628 × 10^9
Prime Factorization
2 × 2 × 3 × 3 × 3 × 12846191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
77077146
Product of the distinct prime numbers
The prime factorization of 1387388628 is 2 × 2 × 3 × 3 × 3 × 12846191.
Since it has a total of 6 prime factors.
6 , 4 , 27 , 3 , 830 , 631 , 7524 , 4288 , 54570 , 80378 , 746510 , 389089 , 588403 , 1220035 , 5772116 , 78165140 , 897389553 , 640192569 , 9093899225 , 1623167685
n×2
2774777256
n×3
4162165884
n×4
5549554512
n×5
6936943140
n÷2
693694314
n÷3
462462876
n÷3
346847157
n÷5
277477725.6
n2
1924847205103722384
n3
2.6705111229985E+27
n4
3.7050367629956E+36
n5
5.140325871302E+45
2 √n
37247.666074534
3 √n
1115.3197091065
4 √n
192.99654420361
5 √n
67.365823962738
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 27 , 36 , 54 , 108 , 12846191 , 25692382 , 38538573 , 51384764 , 77077146 , 115615719 , 154154292 , 231231438 , 346847157 , 462462876 , 693694314 , 1387388628
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1387388627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387388628 can be divided by 24 positive divisors.
The sum of these divisors (counting 1387388628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010101100011101111011010100
3
Ternary
10120200121122102000
4
Quaternary
1102230131323110
5
Quinary
10320132414003
6
Senary
345400315300
8
Octal
12254357324
10
Decimal
1387388628
12
Duodecimal
328772b30
16
Hexadecimal
52b1ded4
20
Vigesimal
11db3bb8
36
Base36
my0jx0
md5
55b257b7a2037e44ffcae16172b80a0d
sha1
905be833e0182f9c69f192ec81c16a12751934ed
sha256
91c93aaa8b29061b2f8752d5c2ce2de703075bd9c223a1aaa29ce33e748cf9c1
sha512
4bd64ca330c358a5abb046a29a88501f5ed3ff7e7ee3fe0489bbc3b160f1b25f5fcf2b11d152db2c47be663415f668f57e628506c6909e7eff1d2335ad1cce9f
ripemd-160
691460c44056ff11be886c6c15f7fff9aeceff10
Diameter
2774777256
Circumference
8717219842.7976
Area
6.0470858388367E+18
Volume
1.1186210833789E+28
Surface area
2.4188343355347E+19
Circumference
8717219842.7976
Perimeter
5549554512
Area
1924847205103722384
Diagonal
1962063813.9998
Surface area
1.1549083230622E+19
Volume
2.6705111229985E+27
Space diagonal
2403027593.5393
Perimeter
4162165884
Area
8.3348328901165E+17
Altitude
1201513796.7696
Surface area
8.3348328901165E+17
Volume
3.1472275405106E+26
Height
654021271.33327