1661595993 is an odd 10-digits composite number following 1661595992
and preceding 1661595994 . In scientific notation, it is written as 1.661595993 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 1103786880 positive integers (up to 1661595993) that are relatively prime to 1661595993.
1661595993 has 12 divisors, whose sum is 2408627988
The reverse of 1661595993 is 3995951661
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion six hundred sixty-one million five hundred ninety-five thousand nine hundred ninety-three
Scientific notation
1.661595993 × 10^9
Engineering notation
1.661595993 × 10^9
Prime Factorization
3 × 3 × 281 × 657017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
553865331
Product of the distinct prime numbers
The prime factorization of 1661595993 is 3 × 3 × 281 × 657017.
Since it has a total of 4 prime factors.
3 , 8 , 63 , 16 , 92 , 474 , 3061 , 3280 , 56262 , 62829 , 564630 , 341387 , 8039016 , 6492580 , 56763519 , 57770836 , 580669904 , 13918646 , 6607708186 , 5613055171
n×2
3323191986
n×3
4984787979
n×4
6646383972
n×5
8307979965
n÷2
830797996.5
n÷3
553865331
n÷3
415398998.25
n÷5
332319198.6
n2
2760901243953656049
n3
4.5875024440221E+27
n4
7.6225756788648E+36
n5
1.2665641204341E+46
2 √n
40762.67892325
3 √n
1184.4274903654
4 √n
201.89769419993
5 √n
69.84013774327
1 , 3 , 9 , 281 , 843 , 2529 , 657017 , 1971051 , 5913153 , 184621777 , 553865331 , 1661595993
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1661595992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661595993 can be divided by 12 positive divisors.
The sum of these divisors (counting 1661595993) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100011000010011111000101011001
3
Ternary
11021210120211012100
4
Quaternary
1203002133011121
5
Quinary
11400332032433
6
Senary
432513434013
8
Octal
14302370531
10
Decimal
1661595993
12
Duodecimal
3a456b909
16
Hexadecimal
6309f159
20
Vigesimal
15j4j9jd
36
Base36
rh9ro9
md5
060d7a75f6fd5a2cc70067ee43d9211b
sha1
6bf15b4b0afb1200b377190d9a83443676b0fac9
sha256
c5ae786daf510bc337388da432fac411966ca452df32e3a8bbb47a68cb80aa7c
sha512
10e87ced59fcbf9ccca9838c603967d690adc8d19c3a75a26663cee720e3c3fbf4f699445c0a32f79138542f8c8b8a0f512b8c12fdf6cc7e66ffa50a807fede7
ripemd-160
f802dcc1261d3e1f63623fd97f8ee57a21c46aac
Diameter
3323191986
Circumference
10440115529.686
Area
8.6736270652917E+18
Volume
1.9216085301953E+28
Surface area
3.4694508261167E+19
Circumference
10440115529.686
Perimeter
6646383972
Area
2760901243953656049
Diagonal
2349851588.4854
Surface area
1.6565407463722E+19
Volume
4.5875024440221E+27
Space diagonal
2877968681.5289
Perimeter
4984787979
Area
1.195505307302E+18
Altitude
1438984340.7644
Surface area
1.195505307302E+18
Volume
5.4064234781298E+26
Height
783283862.82846