1387923391 is an odd 10-digits composite number following 1387923390
and preceding 1387923392 . In scientific notation, it is written as 1.387923391 × 10^9.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 1350411912 positive integers (up to 1387923391) that are relatively prime to 1387923391.
1387923391 has 4 divisors, whose sum is 1425434872
The reverse of 1387923391 is 1933297831
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion three hundred eighty-seven million nine hundred twenty-three thousand three hundred ninety-one
Scientific notation
1.387923391 × 10^9
Engineering notation
1.387923391 × 10^9
Prime Factorization
37 × 37511443
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1387923391
Product of the distinct prime numbers
The prime factorization of 1387923391 is 37 × 37511443.
Since it has a total of 2 prime factors.
10 , 10 , 26 , 76 , 768 , 480 , 6032 , 807 , 74182 , 19872 , 931527 , 64825 , 3835215 , 2764184 , 65809700 , 13951651 , 556571309 , 267417476 , 1209902974 , 9270937287
n×2
2775846782
n×3
4163770173
n×4
5551693564
n×5
6939616955
n÷2
693961695.5
n÷3
462641130.33333
n÷3
346980847.75
n÷5
277584678.2
n2
1926331339284938881
n3
2.6736003246099E+27
n4
3.7107524287113E+36
n5
5.1502400940185E+45
2 √n
37254.843859557
3 √n
1115.4629890996
4 √n
193.01513893878
5 √n
67.371016335869
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1387923390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387923391 can be divided by 4 positive divisors.
The sum of these divisors (counting 1387923391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101110100000011110111111
3
Ternary
10120201121210222001
4
Quaternary
1102232200132333
5
Quinary
10320302022031
6
Senary
345420003131
8
Octal
12256403677
10
Decimal
1387923391
12
Duodecimal
3289904a7
16
Hexadecimal
52ba07bf
20
Vigesimal
11dea89b
36
Base36
myc0jj
md5
d3578b7d7d56bb6f06c617558cc75d4c
sha1
b6b7168e31c64c6060c75e2b4761fb7ba8554c4b
sha256
45bfd023f1a83dcf2e7b9132c6f7293d6fb79fbae00e624666d44e906632deac
sha512
2482caf46e68978418caf1a9f9b2accad676f4a6fe686af9b93743b730f5d3001910a80aafd9e909a41885943bf2c78f0e7e539da0997a895c36d76f477c4323
ripemd-160
b9d5923cf2ea4fb89d896267fc12b503abbee2bd
Diameter
2775846782
Circumference
8720579857.8221
Area
6.0517483838774E+18
Volume
1.119915085124E+28
Surface area
2.4206993535509E+19
Circumference
8720579857.8221
Perimeter
5551693564
Area
1926331339284938881
Diagonal
1962820083.0871
Surface area
1.155798803571E+19
Volume
2.6736003246099E+27
Space diagonal
2403953830.2253
Perimeter
4163770173
Area
8.3412593796343E+17
Altitude
1201976915.1126
Surface area
8.3412593796343E+17
Volume
3.1508681995237E+26
Height
654273361.02902