1388401765 is an odd 10-digits composite number following 1388401764
and preceding 1388401766 . In scientific notation, it is written as 1.388401765 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 1110572112 positive integers (up to 1388401765) that are relatively prime to 1388401765.
1388401765 has 8 divisors, whose sum is 1666306080
The reverse of 1388401765 is 5671048831
Previous prime number is 10259
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion three hundred eighty-eight million four hundred one thousand seven hundred sixty-five
Scientific notation
1.388401765 × 10^9
Engineering notation
1.388401765 × 10^9
Prime Factorization
5 × 10259 × 27067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388401765
Product of the distinct prime numbers
The prime factorization of 1388401765 is 5 × 10259 × 27067.
Since it has a total of 3 prime factors.
4 , 8 , 30 , 62 , 478 , 676 , 2204 , 1881 , 40245 , 46688 , 858000 , 152722 , 3348396 , 8008306 , 27772539 , 17052504 , 464121517 , 168599996 , 1506898016 , 7086440781
n×2
2776803530
n×3
4165205295
n×4
5553607060
n×5
6942008825
n÷2
694200882.5
n÷3
462800588.33333
n÷3
347100441.25
n÷5
277680353
n2
1927659461055115225
n3
2.6763657980479E+27
n4
3.7158709977953E+36
n5
5.1591218518513E+45
2 √n
37261.263599078
3 √n
1115.591129505
4 √n
193.03176836748
5 √n
67.375659834267
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
-1388401764
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 1388401765 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388401765) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010101010001100101
3
Ternary
10120202112010011121
4
Quaternary
1102300111101211
5
Quinary
10320412324030
6
Senary
345434133541
8
Octal
12260252145
10
Decimal
1388401765
12
Duodecimal
328b812b1
16
Hexadecimal
52c15465
20
Vigesimal
11dha485
36
Base36
mym9np
md5
6978f7335fe7a161c82c6592d4647fe1
sha1
3468c531c3215c43bc114cfe7942fda5187fbf2e
sha256
d4145b06ef1af1dfa37337cc228e90bb76000e471ccdba8f7d5d9682dfc5e6b0
sha512
bee34178d0843de68d3b8265450aa6e5ffdd731f605cd58f54ce10ae186b0935043b2460e16101304682d0ee2b4278791fd6173e89512740db740d9681f587eb
ripemd-160
9ac76e93b526acbc6047fb657587b53c79c57020
Diameter
2776803530
Circumference
8723585570.3102
Area
6.0559208014736E+18
Volume
1.1210734839288E+28
Surface area
2.4223683205894E+19
Circumference
8723585570.3102
Perimeter
5553607060
Area
1927659461055115225
Diagonal
1963496606.0857
Surface area
1.1565956766331E+19
Volume
2.6763657980479E+27
Space diagonal
2404782398.2983
Perimeter
4165205295
Area
8.3470103155957E+17
Altitude
1202391199.1492
Surface area
8.3470103155957E+17
Volume
3.1541273412257E+26
Height
654498868.69525