66467991 is an odd 8-digits composite number following 66467990
and preceding 66467992 . In scientific notation, it is written as 6.6467991 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 44029440 positive integers (up to 66467991) that are relatively prime to 66467991.
66467991 has 8 divisors, whose sum is 89189104
The reverse of 66467991 is 19976466
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-six million four hundred sixty-seven thousand nine hundred ninety-one
Scientific notation
6.6467991 × 10^7
Engineering notation
6.6467991 × 10^6
Prime Factorization
3 × 157 × 141121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66467991
Product of the distinct prime numbers
The prime factorization of 66467991 is 3 × 157 × 141121.
Since it has a total of 3 prime factors.
2 , 4 , 78 , 100 , 882 , 864 , 4251 , 3231 , 83432 , 63153 , 586413 , 909860 , 3126601 , 669832 , 48304273 , 36914967 , 193561663 , 905879926 , 9684149578 , 5030684355
n×2
132935982
n×3
199403973
n×4
265871964
n×5
332339955
n÷2
33233995.5
n÷3
22155997
n÷3
16616997.75
n÷5
13293598.2
n2
4417993827576081
n3
2.9365517396938E+23
n4
1.95186694605E+31
n5
1.2973667460325E+39
2 √n
8152.790381213
3 √n
405.07693706768
4 √n
90.292803595929
5 √n
36.68787101125
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
-66467990
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 66467991 can be divided by 8 positive divisors.
The sum of these divisors (counting 66467991) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101100011100010010111
3
Ternary
11122001220221110
4
Quaternary
3331203202113
5
Quinary
114003433431
6
Senary
10332350103
8
Octal
375434227
10
Decimal
66467991
12
Duodecimal
1a315333
16
Hexadecimal
3f63897
20
Vigesimal
10f89jb
36
Base36
13kn13
md5
49919c6b7ce888dea9e83615ccb67ede
sha1
b8568c504e2dcf1b49a6d8f50ae3dc2b8ee87e92
sha256
957f2f0eb4a2d7227af453cce61966fbb9ec433ec37d1557d5d07ab117dd244c
sha512
013080fabb38c6982279c372e3c3d069138731e2c19e352a80ec32c9b6616d4e78910909767c2258f98770c0b4a2b2aa440b24036086d4cd927f8c9df839151d
ripemd-160
d2f765cb3ed47160943685f3d123490727d560ec
Diameter
132935982
Circumference
417630704.44894
Area
1.3879536952318E+16
Volume
1.2300599163078E+24
Surface area
5.5518147809272E+16
Circumference
417630704.44894
Perimeter
265871964
Area
4417993827576081
Diagonal
93999934.335893
Surface area
26507962965456486
Volume
2.9365517396938E+23
Space diagonal
115125937.48903
Perimeter
199403973
Area
1.9130474442219E+15
Altitude
57562968.744515
Surface area
1.9130474442219E+15
Volume
3.4607594140711E+22
Height
31333311.445298