1387686906 is an even 10-digits composite number following 1387686905
and preceding 1387686907 . In scientific notation, it is written as 1.387686906 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 456046920 positive integers (up to 1387686906) that are relatively prime to 1387686906.
1387686906 has 16 divisors, whose sum is 2345388480
The reverse of 1387686906 is 6096867831
Previous prime number is 71
Is Prime? no
Number parity even
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion three hundred eighty-seven million six hundred eighty-six thousand nine hundred six
Scientific notation
1.387686906 × 10^9
Engineering notation
1.387686906 × 10^9
Prime Factorization
2 × 9 × 71 × 1085827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1387686906
Product of the distinct prime numbers
The prime factorization of 1387686906 is 2 × 9 × 71 × 1085827.
Since it has a total of 4 prime factors.
4 , 3 , 4 , 49 , 371 , 566 , 9371 , 6673 , 52651 , 40964 , 276157 , 721487 , 291562 , 107037 , 40514224 , 79956101 , 911008370 , 423730361 , 9107417307 , 6894784401
n×2
2775373812
n×3
4163060718
n×4
5550747624
n×5
6938434530
n÷2
693843453
n÷3
462562302
n÷3
346921726.5
n÷5
277537381.2
n2
1925674949083852836
n3
2.6722339120559E+27
n4
3.7082240095291E+36
n5
5.1458539025383E+45
2 √n
37251.669841767
3 √n
1115.3996317966
4 √n
193.00691656458
5 √n
67.368720341598
1 , 2 , 9 , 18 , 71 , 142 , 639 , 1278 , 1085827 , 2171654 , 9772443 , 19544886 , 77093717 , 154187434 , 693843453 , 1387686906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1387686905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387686906 can be divided by 16 positive divisors.
The sum of these divisors (counting 1387686906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101101100110101111111010
3
Ternary
10120201011210120100
4
Quaternary
1102231212233322
5
Quinary
10320221440111
6
Senary
345410540230
8
Octal
12255465772
10
Decimal
1387686906
12
Duodecimal
328897676
16
Hexadecimal
52b66bfa
20
Vigesimal
11dd0h56
36
Base36
my6y2i
md5
3c518d5c33355d0153023672ecc39de9
sha1
79f9e8662c7308ae971797368bc79fde3df29da1
sha256
38d4b8432f0f482a9faf1af1764c91dce0078794e8c2641f31dcae92de35966c
sha512
d4ef3214ffd39581a0a18b3722b8a6033038fcdc4793e8d91d7c1291187ee168f341909fdfcb586e40d85e0817496e93f10d9b0fde4e5bd470c79e47289130e4
ripemd-160
ab556738c2cd1bec989e245545c84e2026ce5fff
Diameter
2775373812
Circumference
8719093978.7447
Area
6.0496862732437E+18
Volume
1.1193427235718E+28
Surface area
2.4198745092975E+19
Circumference
8719093978.7447
Perimeter
5550747624
Area
1925674949083852836
Diagonal
1962485642.7928
Surface area
1.1554049694503E+19
Volume
2.6722339120559E+27
Space diagonal
2403544226.1901
Perimeter
4163060718
Area
8.3384171266896E+17
Altitude
1201772113.095
Surface area
8.3384171266896E+17
Volume
3.1492578668856E+26
Height
654161880.93092