661649097 is an odd 9-digits composite number following 661649096
and preceding 661649098 . In scientific notation, it is written as 6.61649097 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 441099396 positive integers (up to 661649097) that are relatively prime to 661649097.
661649097 has 4 divisors, whose sum is 882198800
The reverse of 661649097 is 790946166
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred sixty-one million six hundred forty-nine thousand ninety-seven
Scientific notation
6.61649097 × 10^8
Engineering notation
6.61649097 × 10^6
Prime Factorization
3 × 220549699
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
661649097
Product of the distinct prime numbers
The prime factorization of 661649097 is 3 × 220549699.
Since it has a total of 2 prime factors.
1 , 6 , 27 , 38 , 582 , 429 , 6286 , 1260 , 8428 , 78273 , 557492 , 690113 , 3303438 , 4254376 , 1045398 , 88247049 , 587743351 , 632562251 , 388366009 , 1528504518
n×2
1323298194
n×3
1984947291
n×4
2646596388
n×5
3308245485
n÷2
330824548.5
n÷3
220549699
n÷3
165412274.25
n÷5
132329819.4
n2
437779527560915409
n3
2.8965642909577E+26
n4
1.9165091475146E+35
n5
1.2680565468453E+44
2 √n
25722.540640458
3 √n
871.38331789291
4 √n
160.38248233662
5 √n
58.093232779749
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
-661649096
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 661649097 can be divided by 4 positive divisors.
The sum of these divisors (counting 661649097) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011011111111011011001001
3
Ternary
1201010000020221010
4
Quaternary
213123333123021
5
Quinary
2323340232342
6
Senary
145353234133
8
Octal
4733773311
10
Decimal
661649097
12
Duodecimal
165702949
16
Hexadecimal
276ff6c9
20
Vigesimal
a6f62eh
36
Base36
axxfpl
md5
e53c80bf07481dfb7546c5820e6b110d
sha1
d29f2f245acf4e65f083424dda40f714afab58fd
sha256
0bedb4e862ab781cf5dedd4411177cb153c8a47343e9f66bbdeda6da608feee7
sha512
38924400442069e3117c492034e7eb17deb28ffc88791fa2846ea74f0db7e7709da96630a1f30d462811c1b24fb9f5c4e78f46142603161386a55c2a66251843
ripemd-160
7db23df316c4422dde8ecfd39fa1bd0bfb2c7e51
Diameter
1323298194
Circumference
4157263884.779
Area
1.3753249476774E+18
Volume
1.2133100129497E+27
Surface area
5.5012997907095E+18
Circumference
4157263884.779
Perimeter
2646596388
Area
437779527560915409
Diagonal
935713126.50931
Surface area
2626677165365492454
Volume
2.8965642909577E+26
Space diagonal
1146009852.7861
Perimeter
1984947291
Area
1.8956409606225E+17
Altitude
573004926.39303
Surface area
1.8956409606225E+17
Volume
3.4136337537983E+25
Height
311904375.5031