1387666445 is an odd 10-digits composite number following 1387666444
and preceding 1387666446 . In scientific notation, it is written as 1.387666445 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 1005634560 positive integers (up to 1387666445) that are relatively prime to 1387666445.
1387666445 has 8 divisors, whose sum is 1417905216
The reverse of 1387666445 is 5446667831
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion three hundred eighty-seven million six hundred sixty-six thousand four hundred forty-five
Scientific notation
1.387666445 × 10^9
Engineering notation
1.387666445 × 10^9
Prime Factorization
55 × 283 × 89153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1387666445
Product of the distinct prime numbers
The prime factorization of 1387666445 is 55 × 283 × 89153.
Since it has a total of 3 prime factors.
8 , 6 , 34 , 58 , 240 , 546 , 1984 , 3603 , 57269 , 36122 , 279830 , 116336 , 6156394 , 4124417 , 16684869 , 84429935 , 920910178 , 440589048 , 9035472792 , 986078238
n×2
2775332890
n×3
4162999335
n×4
5550665780
n×5
6938332225
n÷2
693833222.5
n÷3
462555481.66667
n÷3
346916611.25
n÷5
277533289
n2
1925618162578938025
n3
2.6721157100933E+27
n4
3.7080053080539E+36
n5
5.1454745438683E+45
2 √n
37251.39520877
3 √n
1115.3941496993
4 √n
193.00620510432
5 √n
67.368521674375
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
-1387666444
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 1387666445 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387666445) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101101100001110000001101
3
Ternary
10120201010202111112
4
Quaternary
1102231201300031
5
Quinary
10320220311240
6
Senary
345410301405
8
Octal
12255416015
10
Decimal
1387666445
12
Duodecimal
328887865
16
Hexadecimal
52b61c0d
20
Vigesimal
11dci625
36
Base36
my6ia5
md5
3ba8fce53e115a438918e8b7ec0828e6
sha1
9ec97ca020f979badde59373026dbe4703821244
sha256
b678ccf7e86fce4cab9145f57372736529526c162ae095b95304c6b0ce7fe719
sha512
290dcc87209991ce14575ef01912c3ed7b338773f5377e22ea5f928df96d4316eb4b8061ebf86d01df3816e0a4642dc53568979f9ce263429e8b55db0bd9f679
ripemd-160
cb047c110519cce39395d6cf61067b8cb085dd60
Diameter
2775332890
Circumference
8718965418.4901
Area
6.0495078731771E+18
Volume
1.1192932112495E+28
Surface area
2.4198031492708E+19
Circumference
8718965418.4901
Perimeter
5550665780
Area
1925618162578938025
Diagonal
1962456706.5691
Surface area
1.1553708975474E+19
Volume
2.6721157100933E+27
Space diagonal
2403508786.6985
Perimeter
4162999335
Area
8.3381712339104E+17
Altitude
1201754393.3492
Surface area
8.3381712339104E+17
Volume
3.1491185645369E+26
Height
654152235.52302