1388795897 is an odd 10-digits composite number following 1388795896
and preceding 1388795898 . In scientific notation, it is written as 1.388795897 × 10^9.
The sum of its digits is 65. It has a total of 3 prime factors and 8 positive divisors.
There are 1355880960 positive integers (up to 1388795897) that are relatively prime to 1388795897.
1388795897 has 8 divisors, whose sum is 1421740320
The reverse of 1388795897 is 7985978831
Previous prime number is 2689
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 65
Digital Root 2
Name
one billion three hundred eighty-eight million seven hundred ninety-five thousand eight hundred ninety-seven
Scientific notation
1.388795897 × 10^9
Engineering notation
1.388795897 × 10^9
Prime Factorization
43 × 2689 × 12011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1388795897
Product of the distinct prime numbers
The prime factorization of 1388795897 is 43 × 2689 × 12011.
Since it has a total of 3 prime factors.
7 , 3 , 79 , 30 , 435 , 166 , 9740 , 4506 , 94144 , 85461 , 311004 , 167876 , 4004643 , 8693035 , 99983423 , 97300809 , 202146248 , 713627610 , 350114533 , 3252363404
n×2
2777591794
n×3
4166387691
n×4
5555183588
n×5
6943979485
n÷2
694397948.5
n÷3
462931965.66667
n÷3
347198974.25
n÷5
277759179.4
n2
1928754043524034609
n3
2.6786457019683E+27
n4
3.7200921604103E+36
n5
5.1664487288397E+45
2 √n
37266.551987003
3 √n
1115.6966821807
4 √n
193.04546611356
5 √n
67.379484647724
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
-1388795896
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 1388795897 can be divided by 8 positive divisors.
The sum of these divisors (counting 1388795897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110001110101011111111001
3
Ternary
10120210021010211002
4
Quaternary
1102301311133321
5
Quinary
10321012432042
6
Senary
345450414345
8
Octal
12261653771
10
Decimal
1388795897
12
Duodecimal
3291313b5
16
Hexadecimal
52c757f9
20
Vigesimal
11djj9eh
36
Base36
myuprt
md5
8394c30e6c40a7f5586b56a96d00a12e
sha1
cbe9e857537b5e76f9906943a0469ba0bc1d201f
sha256
529a56db6dbeb7ecee15ae2919512b1a7bc1c96b02b8d189fa3edbd67676f037
sha512
2fda1dd9349c780fa2ea242d8966b53a87c1c9d00a2553e47bca50493836de8ff64d90cc1cffd648cd28da8df9f06d1769a652148c988f45445019041f2bc8f5
ripemd-160
b5eb195589cd941dea3402ed4c79ae0a2e6bf05e
Diameter
2777591794
Circumference
8726061974.7017
Area
6.0593595337167E+18
Volume
1.1220284878498E+28
Surface area
2.4237438134867E+19
Circumference
8726061974.7017
Perimeter
5555183588
Area
1928754043524034609
Diagonal
1964053992.9055
Surface area
1.1572524261144E+19
Volume
2.6786457019683E+27
Space diagonal
2405465054.9472
Perimeter
4166387691
Area
8.3517499967189E+17
Altitude
1202732527.4736
Surface area
8.3517499967189E+17
Volume
3.1568142337634E+26
Height
654684664.30184