661449069 is an odd 9-digits composite number following 661449068
and preceding 661449070 . In scientific notation, it is written as 6.61449069 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 436844232 positive integers (up to 661449069) that are relatively prime to 661449069.
661449069 has 8 divisors, whose sum is 741813120
The reverse of 661449069 is 960944166
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred sixty-one million four hundred forty-nine thousand sixty-nine
Scientific notation
6.61449069 × 10^8
Engineering notation
6.61449069 × 10^6
Prime Factorization
9 × 107 × 686863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661449069
Product of the distinct prime numbers
The prime factorization of 661449069 is 9 × 107 × 686863.
Since it has a total of 3 prime factors.
5 , 2 , 84 , 7 , 996 , 208 , 4245 , 3803 , 37729 , 32778 , 143609 , 17604 , 3803802 , 3762293 , 71985816 , 4566018 , 863878241 , 495113381 , 6671479643 , 7651909416
n×2
1322898138
n×3
1984347207
n×4
2645796276
n×5
3307245345
n÷2
330724534.5
n÷3
220483023
n÷3
165362267.25
n÷5
132289813.8
n2
437514870880966761
n3
2.8939380401787E+26
n4
1.9141926224199E+35
n5
1.2661409279863E+44
2 √n
25718.652161418
3 √n
871.29549761133
4 √n
160.37035936051
5 √n
58.089719836505
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
-661449068
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 661449069 can be divided by 8 positive divisors.
The sum of these divisors (counting 661449069) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011011001110100101101101
3
Ternary
1201002122002112200
4
Quaternary
213123032211231
5
Quinary
2323312332234
6
Senary
145345052113
8
Octal
4733164555
10
Decimal
661449069
12
Duodecimal
165627039
16
Hexadecimal
276ce96d
20
Vigesimal
a6e12d9
36
Base36
axt5d9
md5
52c834854eccf1f74b4c3e1dd423b59b
sha1
d16cfbe5ce1528602c56d670a73d381ea29d554c
sha256
9e4c9296bcd0c562f32bb79208f69bcd8e5af9c218873636676d2e70643e2e17
sha512
aea02219b97f32ff850254b86e20e27cffabcba203bace7629bf9ac9bb4b1aec7f89c74731eda54bb9f91e0ff88d3664c8568cedff1218d00857bb7bbd875407
ripemd-160
33662e9916d1f35dc51aa8256b75462c33966fd6
Diameter
1322898138
Circumference
4156007071.7884
Area
1.3744935041959E+18
Volume
1.2122099315959E+27
Surface area
5.4979740167837E+18
Circumference
4156007071.7884
Perimeter
2645796276
Area
437514870880966761
Diagonal
935430244.19886
Surface area
2625089225285800566
Volume
2.8939380401787E+26
Space diagonal
1145663394.1271
Perimeter
1984347207
Area
1.8944949635819E+17
Altitude
572831697.06357
Surface area
1.8944949635819E+17
Volume
3.4105386875735E+25
Height
311810081.39962