1387488946 is an even 10-digits composite number following 1387488945
and preceding 1387488947 . In scientific notation, it is written as 1.387488946 × 10^9.
The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors.
There are 656838288 positive integers (up to 1387488946) that are relatively prime to 1387488946.
1387488946 has 16 divisors, whose sum is 2192083200
The reverse of 1387488946 is 6498847831
Previous prime number is 1823
Is Prime? no
Number parity even
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion three hundred eighty-seven million four hundred eighty-eight thousand nine hundred forty-six
Scientific notation
1.387488946 × 10^9
Engineering notation
1.387488946 × 10^9
Prime Factorization
2 × 19 × 1823 × 20029
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1387488946
Product of the distinct prime numbers
The prime factorization of 1387488946 is 2 × 19 × 1823 × 20029.
Since it has a total of 4 prime factors.
5 , 10 , 90 , 9 , 585 , 281 , 5287 , 1025 , 60852 , 97644 , 289808 , 206344 , 9404741 , 3249288 , 56830753 , 14170775 , 322217836 , 150304699 , 6587288246 , 2159624845
n×2
2774977892
n×3
4162466838
n×4
5549955784
n×5
6937444730
n÷2
693744473
n÷3
462496315.33333
n÷3
346872236.5
n÷5
277497789.2
n2
1925125575272190916
n3
2.6710904553521E+27
n4
3.7061084805671E+36
n5
5.1421845494637E+45
2 √n
37249.012684902
3 √n
1115.3465902903
4 √n
193.00003286244
5 √n
67.366798139568
1 , 2 , 19 , 38 , 1823 , 3646 , 20029 , 34637 , 40058 , 69274 , 380551 , 761102 , 36512867 , 73025734 , 693744473 , 1387488946
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
-1387488945
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 1387488946 can be divided by 16 positive divisors.
The sum of these divisors (counting 1387488946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010101100110110011010110010
3
Ternary
10120200210202000111
4
Quaternary
1102230312122302
5
Quinary
10320144121241
6
Senary
345402411534
8
Octal
12254663262
10
Decimal
1387488946
12
Duodecimal
328800baa
16
Hexadecimal
52b366b2
20
Vigesimal
11dbg276
36
Base36
my2pbm
md5
ce2cc27298e2b6434bc04f33e141ebba
sha1
69562a552be72e8fba2d33cf07f7e0be0578e554
sha256
98e421d1cdf4779783d18231c5f6bb19d9ea8e6283ddbcd86e28d30343d9768f
sha512
a9e57b83479fea04abab09eae1db86abdab7cbeeae8fd1822be36e82be2ed10a2c8785e3525ffc7de851936f0d1c477835cb6613c08abd1e02d8582cd1f32b3e
ripemd-160
f874cc6dce6928d29f848f98d7250df63e75353d
Diameter
2774977892
Circumference
8717850159.3813
Area
6.0479603645129E+18
Volume
1.1188637535477E+28
Surface area
2.4191841458052E+19
Circumference
8717850159.3813
Perimeter
5549955784
Area
1925125575272190916
Diagonal
1962205685.076
Surface area
1.1550753451633E+19
Volume
2.6710904553521E+27
Space diagonal
2403201349.4122
Perimeter
4162466838
Area
8.3360382683042E+17
Altitude
1201600674.7061
Surface area
8.3360382683042E+17
Volume
3.1479102902368E+26
Height
654068561.69198