1649138081 is an odd 10-digits composite number following 1649138080
and preceding 1649138082 . In scientific notation, it is written as 1.649138081 × 10^9.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 1642867332 positive integers (up to 1649138081) that are relatively prime to 1649138081.
1649138081 has 4 divisors, whose sum is 1655408832
The reverse of 1649138081 is 1808319461
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion six hundred forty-nine million one hundred thirty-eight thousand eighty-one
Scientific notation
1.649138081 × 10^9
Engineering notation
1.649138081 × 10^9
Prime Factorization
263 × 6270487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1649138081
Product of the distinct prime numbers
The prime factorization of 1649138081 is 263 × 6270487.
Since it has a total of 2 prime factors.
6 , 2 , 18 , 37 , 805 , 626 , 5259 , 7681 , 42786 , 64448 , 606355 , 513980 , 955252 , 6875313 , 68837684 , 38822154 , 750932903 , 350687438 , 6783153947 , 6903620377
n×2
3298276162
n×3
4947414243
n×4
6596552324
n×5
8245690405
n÷2
824569040.5
n÷3
549712693.66667
n÷3
412284520.25
n÷5
329827616.2
n2
2719656410204362561
n3
4.4850889533038E+27
n4
7.3965309895657E+36
n5
1.2197900922189E+46
2 √n
40609.581147803
3 √n
1181.4599570211
4 √n
201.51819061267
5 √n
69.735096153037
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
-1649138080
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 1649138081 can be divided by 4 positive divisors.
The sum of these divisors (counting 1649138081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100010010010111101100110100001
3
Ternary
11020221010220011012
4
Quaternary
1202102331212201
5
Quinary
11334134404311
6
Senary
431350430305
8
Octal
14222754641
10
Decimal
1649138081
12
Duodecimal
3a0362395
16
Hexadecimal
624bd9a1
20
Vigesimal
15f72541
36
Base36
r9ur35
md5
b2da751f3098cd5ec95b587a65e4c6ea
sha1
a9db139fde10038fb414b9ce0b685e9ac91142ec
sha256
db1f4b83731295b8d43faef8d142ba4343a54de57f1500de2db08942fc9a0910
sha512
1ae1c4011c8430fd6cb483e2869684feb5cef15fb87b64339a24addede721066f51329a0f68ba4483ef523ee9f9eb2fc2df445d94419babde5ed7eca99b2febf
ripemd-160
8cd0b0697e93c8096d9a9bf5b8953072b18826a8
Diameter
3298276162
Circumference
10361840160.05
Area
8.5440525985864E+18
Volume
1.8787096675194E+28
Surface area
3.4176210394346E+19
Circumference
10361840160.05
Perimeter
6596552324
Area
2719656410204362561
Diagonal
2332233440.3761
Surface area
1.6317938461226E+19
Volume
4.4850889533038E+27
Space diagonal
2856390944.9886
Perimeter
4947414243
Area
1.1776457704011E+18
Altitude
1428195472.4943
Surface area
1.1776457704011E+18
Volume
5.2857280218433E+26
Height
777411146.79205