1387966287 is an odd 10-digits composite number following 1387966286
and preceding 1387966288 . In scientific notation, it is written as 1.387966287 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 925041600 positive integers (up to 1387966287) that are relatively prime to 1387966287.
1387966287 has 8 divisors, whose sum is 1851160240
The reverse of 1387966287 is 7826697831
Previous prime number is 3529
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion three hundred eighty-seven million nine hundred sixty-six thousand two hundred eighty-seven
Scientific notation
1.387966287 × 10^9
Engineering notation
1.387966287 × 10^9
Prime Factorization
3 × 3529 × 131101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1387966287
Product of the distinct prime numbers
The prime factorization of 1387966287 is 3 × 3529 × 131101.
Since it has a total of 3 prime factors.
4 , 4 , 76 , 46 , 447 , 824 , 7412 , 3176 , 87291 , 45514 , 763542 , 976171 , 502714 , 2796185 , 96487666 , 35242849 , 855292571 , 892187897 , 7272238248 , 7239380866
n×2
2775932574
n×3
4163898861
n×4
5551865148
n×5
6939831435
n÷2
693983143.5
n÷3
462655429
n÷3
346991571.75
n÷5
277593257.4
n2
1926450413848566369
n3
2.673848227999E+27
n4
3.7112111970173E+36
n5
5.1510360253969E+45
2 √n
37255.419565481
3 √n
1115.4744807059
4 √n
193.01663028216
5 √n
67.371432772598
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
-1387966286
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 1387966287 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387966287) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110101010111101001111
3
Ternary
10120201200222210210
4
Quaternary
1102232222331033
5
Quinary
10320304410122
6
Senary
345420533503
8
Octal
12256527517
10
Decimal
1387966287
12
Duodecimal
3289b1293
16
Hexadecimal
52baaf4f
20
Vigesimal
11deffe7
36
Base36
mycxn3
md5
1141189e9176076d36e93818a2f3356e
sha1
82d7e24c4e5c4746750a8597da79c98186fe8d36
sha256
df21d334117c21ca50f009a9591ad8e6035f8fb2535b694d5818698ca30e5d08
sha512
c46537fddb25dde26f3848aa1c5671cf7c7ff6a8ea1f3e9c3cd16a413b8afc324d71fee8be08473d36c5ed0274381184edf995c48ef57bd44a1a1e28f36f755c
ripemd-160
6ba6553ff58ebd73dc8e8b5d2edbc9174ac2d26c
Diameter
2775932574
Circumference
8720849381.339
Area
6.0521224676517E+18
Volume
1.1200189266528E+28
Surface area
2.4208489870607E+19
Circumference
8720849381.339
Perimeter
5551865148
Area
1926450413848566369
Diagonal
1962880747.192
Surface area
1.1558702483091E+19
Volume
2.673848227999E+27
Space diagonal
2404028128.2767
Perimeter
4163898861
Area
8.3417749876195E+17
Altitude
1202014064.1384
Surface area
8.3417749876195E+17
Volume
3.1511603564696E+26
Height
654293582.39734