1388996869 is an odd 10-digits composite number following 1388996868
and preceding 1388996870 . In scientific notation, it is written as 1.388996869 × 10^9.
The sum of its digits is 67. It has a total of 3 prime factors and 8 positive divisors.
There are 1281239040 positive integers (up to 1388996869) that are relatively prime to 1388996869.
1388996869 has 8 divisors, whose sum is 1496906712
The reverse of 1388996869 is 9686998831
Previous prime number is 1433
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 67
Digital Root 4
Name
one billion three hundred eighty-eight million nine hundred ninety-six thousand eight hundred sixty-nine
Scientific notation
1.388996869 × 10^9
Engineering notation
1.388996869 × 10^9
Prime Factorization
13 × 1433 × 74561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388996869
Product of the distinct prime numbers
The prime factorization of 1388996869 is 13 × 1433 × 74561.
Since it has a total of 3 prime factors.
7 , 7 , 73 , 73 , 732 , 901 , 5805 , 7258 , 97889 , 81328 , 901702 , 937489 , 1539288 , 2202220 , 75600282 , 90168003 , 21662334 , 254646817 , 6473340907 , 1918007656
n×2
2777993738
n×3
4166990607
n×4
5555987476
n×5
6944984345
n÷2
694498434.5
n÷3
462998956.33333
n÷3
347249217.25
n÷5
277799373.8
n2
1929312302091803161
n3
2.6798087469287E+27
n4
3.7222459590028E+36
n5
5.1701879827028E+45
2 √n
37269.248302052
3 √n
1115.7504968987
4 √n
193.05244961422
5 √n
67.381434625551
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
-1388996868
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 1388996869 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388996869) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110010100110100100000101
3
Ternary
10120210122100111111
4
Quaternary
1102302212210011
5
Quinary
10321040344434
6
Senary
345455005021
8
Octal
12262464405
10
Decimal
1388996869
12
Duodecimal
329209771
16
Hexadecimal
52ca6905
20
Vigesimal
11e14c39
36
Base36
myz0ud
md5
f82a418ebbc6573d5eb51e7dcaf18188
sha1
27505b0dc95b9e58d5aa85cdccfdb64af9ceaaa5
sha256
5d2e433b7059032db44bd09d5fd846159bbef259ec03c033be102f203a9de456
sha512
25e4f05a4c51233a5d755f3b7efc0095718a7f935e0324a59ce5aef507169b90c7c4d398f43e4cd939f7e791b04ac2aa330102733c17110f01d9fb6f089c5c73
ripemd-160
32433ac97260f96dd377436e10bdb0eeae4836bd
Diameter
2777993738
Circumference
8727324719.0192
Area
6.061113354732E+18
Volume
1.1225156629836E+28
Surface area
2.4244453418928E+19
Circumference
8727324719.0192
Perimeter
5555987476
Area
1929312302091803161
Diagonal
1964338210.2336
Surface area
1.1575873812551E+19
Volume
2.6798087469287E+27
Space diagonal
2405813148.6621
Perimeter
4166990607
Area
8.3541673272267E+17
Altitude
1202906574.331
Surface area
8.3541673272267E+17
Volume
3.1581848953938E+26
Height
654779403.41119