661342689 is an odd 9-digits composite number following 661342688
and preceding 661342690 . In scientific notation, it is written as 6.61342689 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 377910072 positive integers (up to 661342689) that are relatively prime to 661342689.
661342689 has 4 divisors, whose sum is 671840256
The reverse of 661342689 is 986243166
Previous prime number is 63
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred sixty-one million three hundred forty-two thousand six hundred eighty-nine
Scientific notation
6.61342689 × 10^8
Engineering notation
6.61342689 × 10^6
Prime Factorization
63 × 10497503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
661342689
Product of the distinct prime numbers
The prime factorization of 661342689 is 63 × 10497503.
Since it has a total of 2 prime factors.
3 , 2 , 68 , 85 , 435 , 919 , 4656 , 9815 , 51445 , 48356 , 233746 , 344129 , 8211000 , 6938331 , 754549 , 86653925 , 697403083 , 311495618 , 9727567093 , 1769554640
n×2
1322685378
n×3
1984028067
n×4
2645370756
n×5
3306713445
n÷2
330671344.5
n÷3
220447563
n÷3
165335672.25
n÷5
132268537.8
n2
437374152293750721
n3
2.8925419797704E+26
n4
1.9129614909468E+35
n5
1.2651230963762E+44
2 √n
25716.583929441
3 √n
871.24878533026
4 √n
160.36391093211
5 √n
58.087851217358
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
-661342688
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 661342689 can be divided by 4 positive divisors.
The sum of these divisors (counting 661342689) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010110100100111100001
3
Ternary
1201002102200121200
4
Quaternary
213122310213201
5
Quinary
2323300431224
6
Senary
145342511413
8
Octal
4732644741
10
Decimal
661342689
12
Duodecimal
165595569
16
Hexadecimal
276b49e1
20
Vigesimal
a6d7ge9
36
Base36
axqva9
md5
c4d2736982f2026138e4c6deacff169e
sha1
444f887d6f31e88f524b3f0da7f73d6937b53829
sha256
17ef495a0c5984610abf8c0f072f716a09e0c72564456d6748c891a31f43d91d
sha512
c8cbbc666de5c40f5a5b7609e2cda82e7edc4f52712bcb3685677943363d71d45b47a11c8b8f05b20c7a21c395e733621beab15d4991b4f42cdcbc8c48bd38c2
ripemd-160
0235fc96fc9ae35ce866bbb1d223d82defe4179b
Diameter
1322685378
Circumference
4155338666.5354
Area
1.3740514237161E+18
Volume
1.2116251511796E+27
Surface area
5.4962056948644E+18
Circumference
4155338666.5354
Perimeter
2645370756
Area
437374152293750721
Diagonal
935279800.16009
Surface area
2624244913762504326
Volume
2.8925419797704E+26
Space diagonal
1145479138.5622
Perimeter
1984028067
Area
1.8938856342254E+17
Altitude
572739569.28111
Surface area
1.8938856342254E+17
Volume
3.4088934146041E+25
Height
311759933.3867