66181889 is an odd 8-digits composite number following 66181888
and preceding 66181890 . In scientific notation, it is written as 6.6181889 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 65096880 positive integers (up to 66181889) that are relatively prime to 66181889.
66181889 has 4 divisors, whose sum is 67266900
The reverse of 66181889 is 98818166
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-six million one hundred eighty-one thousand eight hundred eighty-nine
Scientific notation
6.6181889 × 10^7
Engineering notation
6.6181889 × 10^6
Prime Factorization
61 × 1084949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66181889
Product of the distinct prime numbers
The prime factorization of 66181889 is 61 × 1084949.
Since it has a total of 2 prime factors.
6 , 4 , 97 , 9 , 632 , 269 , 9057 , 8078 , 8244 , 78873 , 355935 , 502994 , 181580 , 9760002 , 3999779 , 68007748 , 290448081 , 924183281 , 7177379212 , 4311436162
n×2
132363778
n×3
198545667
n×4
264727556
n×5
330909445
n÷2
33090944.5
n÷3
22060629.666667
n÷3
16545472.25
n÷5
13236377.8
n2
4380042431608321
n3
2.8987948202399E+23
n4
1.9184771702689E+31
n5
1.2696844313177E+39
2 √n
8135.2251966372
3 √n
404.49490251251
4 √n
90.195483238559
5 √n
36.656232948603
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
-66181888
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 66181889 can be divided by 4 positive divisors.
The sum of these divisors (counting 66181889) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111100011101101100000001
3
Ternary
11121112101111002
4
Quaternary
3330131230001
5
Quinary
113420310024
6
Senary
10322301345
8
Octal
374355401
10
Decimal
66181889
12
Duodecimal
1a1b7855
16
Hexadecimal
3f1db01
20
Vigesimal
10dcee9
36
Base36
13ei9t
md5
7fd38605055f87e65155509284720750
sha1
ebc1e926adbedb5b74c1aa4b4e86d465f4ad9417
sha256
90f16835a535d5f3698b161bf1af9cc6b8de5a7e235cda15010158e5cbfffad4
sha512
7485038f201f6b244d0aaf9e578d35d8bf77bdff95de9733c3224a044dd3aef343b1e0fd1fb73b26775ff4dbbd54b87c7901914fffec62bb9e6e6dab1aba3255
ripemd-160
3223ca9cfdcbd89aef7c23fede074c6575f1b137
Diameter
132363778
Circumference
415833072.56619
Area
1.3760309125552E+16
Volume
1.2142443348707E+24
Surface area
5.5041236502209E+16
Circumference
415833072.56619
Perimeter
264727556
Area
4380042431608321
Diagonal
93595325.007271
Surface area
26280254589649926
Volume
2.8987948202399E+23
Space diagonal
114630394.28888
Perimeter
198545667
Area
1.8966140077133E+15
Altitude
57315197.144442
Surface area
1.8966140077133E+15
Volume
3.4162624577668E+22
Height
31198441.66909