665441491 is an odd 9-digits composite number following 665441490
and preceding 665441492 . In scientific notation, it is written as 6.65441491 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 552978720 positive integers (up to 665441491) that are relatively prime to 665441491.
665441491 has 16 divisors, whose sum is 789384960
The reverse of 665441491 is 194144566
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred sixty-five million four hundred forty-one thousand four hundred ninety-one
Scientific notation
6.65441491 × 10^8
Engineering notation
6.65441491 × 10^6
Prime Factorization
13 × 11 × 103 × 45179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
665441491
Product of the distinct prime numbers
The prime factorization of 665441491 is 13 × 11 × 103 × 45179.
Since it has a total of 4 prime factors.
4 , 7 , 55 , 92 , 345 , 132 , 3099 , 2825 , 51748 , 42954 , 248931 , 482635 , 4419536 , 5930941 , 77174713 , 55538092 , 236109628 , 926468736 , 941051111 , 1321944608
n×2
1330882982
n×3
1996324473
n×4
2661765964
n×5
3327207455
n÷2
332720745.5
n÷3
221813830.33333
n÷3
166360372.75
n÷5
133088298.2
n2
442812377944303081
n3
2.9466572901251E+26
n4
1.9608280206069E+35
n5
1.3048163216272E+44
2 √n
25796.152639493
3 √n
873.04499181388
4 √n
160.61180728543
5 √n
58.159675566428
1 , 11 , 13 , 103 , 143 , 1133 , 1339 , 14729 , 45179 , 496969 , 587327 , 4653437 , 6460597 , 51187807 , 60494681 , 665441491
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-665441490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 665441491 can be divided by 16 positive divisors.
The sum of these divisors (counting 665441491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111101010011101010011010011
3
Ternary
1201101010221010011
4
Quaternary
213222131103103
5
Quinary
2330323111431
6
Senary
150010415351
8
Octal
4752352323
10
Decimal
665441491
12
Duodecimal
166a31557
16
Hexadecimal
27a9d4d3
20
Vigesimal
a7j03eb
36
Base36
b06pxv
md5
8558a4d6f1e7d7ea620b5ce11ed2ea27
sha1
e84eb9f69ec51c41c7733fdf02fb25a05c37767a
sha256
59fca4514623c388cc5e8c0b03bc7e324696a108d752d909c77e21412f0c6283
sha512
4cab58aca21daa09eccd3698ffa0445a2803ffb3cf755af97eb60878c7d3b2e6c1c378922f9450e362f40cf0e66333e262509df91c48817d33a1f48963c11420
ripemd-160
8823af5d1de93e16fa2ce87c52e8221fafe5b9b2
Diameter
1330882982
Circumference
4181092199.0389
Area
1.3911361134684E+18
Volume
1.2342929193739E+27
Surface area
5.5645444538738E+18
Circumference
4181092199.0389
Perimeter
2661765964
Area
442812377944303081
Diagonal
941076381.53797
Surface area
2656874267665818486
Volume
2.9466572901251E+26
Space diagonal
1152578471.8764
Perimeter
1996324473
Area
1.9174338420498E+17
Altitude
576289235.93819
Surface area
1.9174338420498E+17
Volume
3.4726689194671E+25
Height
313692127.17932