1538991906 is an even 10-digits composite number following 1538991905
and preceding 1538991907 . In scientific notation, it is written as 1.538991906 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 485997408 positive integers (up to 1538991906) that are relatively prime to 1538991906.
1538991906 has 16 divisors, whose sum is 3239983200
The reverse of 1538991906 is 6091998351
Previous prime number is 19
Is Prime? no
Number parity even
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion five hundred thirty-eight million nine hundred ninety-one thousand nine hundred six
Scientific notation
1.538991906 × 10^9
Engineering notation
1.538991906 × 10^9
Prime Factorization
2 × 3 × 19 × 13499929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1538991906
Product of the distinct prime numbers
The prime factorization of 1538991906 is 2 × 3 × 19 × 13499929.
Since it has a total of 4 prime factors.
7 , 7 , 21 , 41 , 519 , 27 , 885 , 8026 , 32726 , 41275 , 254797 , 826777 , 1872988 , 6722595 , 88979240 , 55089126 , 281243466 , 756121827 , 5188481063 , 7758002518
n×2
3077983812
n×3
4616975718
n×4
6155967624
n×5
7694959530
n÷2
769495953
n÷3
512997302
n÷3
384747976.5
n÷5
307798381.2
n2
2368496086733512836
n3
3.6450963068756E+27
n4
5.609773712872E+36
n5
8.6333963386015E+45
2 √n
39229.987331122
3 √n
1154.548315353
4 √n
198.06561370193
5 √n
68.777639614203
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 13499929 , 26999858 , 40499787 , 80999574 , 256498651 , 512997302 , 769495953 , 1538991906
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
-1538991905
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 1538991906 can be divided by 16 positive divisors.
The sum of these divisors (counting 1538991906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011011101110110010011100100010
3
Ternary
10222020212220000020
4
Quaternary
1123232302130202
5
Quinary
11122440220111
6
Senary
412413534310
8
Octal
13356623442
10
Decimal
1538991906
12
Duodecimal
36b4a4396
16
Hexadecimal
5bbb2722
20
Vigesimal
140idjf6
36
Base36
pg9xr6
md5
5f21a11d24fbcfd6253b78d482d8629a
sha1
cb81f7cc817eed1ce9d52b0aac5f6547a12ee956
sha256
9394d8f5ee4a5b7a9cd320ba2610699c186eb5003cb9a8190be2737022a89874
sha512
bf3f52605872c7ffcd90752d6d8c0124ca9937463f0e81a6ecd646475a4f2f89a5190981711746fbfe8757a879d152b616f960ce4953f4f7bc8db04c0eefb12e
ripemd-160
13c3d1ab3e7b287fdbb9f62be47a7f62dfb62dcf
Diameter
3077983812
Circumference
9669771331.6475
Area
7.4408499061382E+18
Volume
1.5268543705743E+28
Surface area
2.9763399624553E+19
Circumference
9669771331.6475
Perimeter
6155967624
Area
2368496086733512836
Diagonal
2176463225.8476
Surface area
1.4210976520401E+19
Volume
3.6450963068756E+27
Space diagonal
2665612173.6293
Perimeter
4616975718
Area
1.0255888899376E+18
Altitude
1332806086.8146
Surface area
1.0255888899376E+18
Volume
4.2957871944496E+26
Height
725487741.94921