661815093 is an odd 9-digits composite number following 661815092
and preceding 661815094 . In scientific notation, it is written as 6.61815093 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 440728128 positive integers (up to 661815093) that are relatively prime to 661815093.
661815093 has 8 divisors, whose sum is 883384000
The reverse of 661815093 is 390518166
Previous prime number is 919
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred sixty-one million eight hundred fifteen thousand ninety-three
Scientific notation
6.61815093 × 10^8
Engineering notation
6.61815093 × 10^6
Prime Factorization
3 × 919 × 240049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661815093
Product of the distinct prime numbers
The prime factorization of 661815093 is 3 × 919 × 240049.
Since it has a total of 3 prime factors.
5 , 10 , 41 , 80 , 289 , 912 , 8487 , 3517 , 11040 , 76371 , 969350 , 990423 , 4359721 , 106505 , 87855632 , 49371966 , 573726727 , 557079915 , 7851387095 , 5649523137
n×2
1323630186
n×3
1985445279
n×4
2647260372
n×5
3309075465
n÷2
330907546.5
n÷3
220605031
n÷3
165453773.25
n÷5
132363018.6
n2
437999217322598649
n3
2.8987449274628E+26
n4
1.9184331437521E+35
n5
1.2696480094466E+44
2 √n
25725.767102265
3 √n
871.45618332928
4 √n
160.39254066903
5 √n
58.096147399215
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-661815092
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661815093 can be divided by 8 positive divisors.
The sum of these divisors (counting 661815093) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011100100111111100110101
3
Ternary
1201010022200122010
4
Quaternary
213130213330311
5
Quinary
2323411040333
6
Senary
145400554433
8
Octal
4734477465
10
Decimal
661815093
12
Duodecimal
165782a19
16
Hexadecimal
27727f35
20
Vigesimal
a6g6hed
36
Base36
ay0zsl
md5
b2dd4a4c51a7af7b8868ddbe818d045f
sha1
41254a84150b04dec7575d1ee472cea48faa40a5
sha256
390e8686467bf5e5bdb6f4b487d5020bf393c5f97edd5862c6d4f9a8d6a3d94f
sha512
2949007d1b27b5ab5052d1f8b08b0de83832ef823a562966a940fc9a9e6c0f667252afadc71505152b95b69e8c512cd39b9ab1beafa5bf2fdf6c937dc3ebbffc
ripemd-160
953ae0384cd55c8f4a47980f195d40385bbf0a44
Diameter
1323630186
Circumference
4158306868.4073
Area
1.3760151234188E+18
Volume
1.2142234358331E+27
Surface area
5.504060493675E+18
Circumference
4158306868.4073
Perimeter
2647260372
Area
437999217322598649
Diagonal
935947880.30381
Surface area
2627995303935591894
Volume
2.8987449274628E+26
Space diagonal
1146297366.2919
Perimeter
1985445279
Area
1.8965922451954E+17
Altitude
573148683.14596
Surface area
1.8965922451954E+17
Volume
3.4162036585651E+25
Height
311982626.76794