66188957 is an odd 8-digits composite number following 66188956
and preceding 66188958 . In scientific notation, it is written as 6.6188957 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 66153660 positive integers (up to 66188957) that are relatively prime to 66188957.
66188957 has 4 divisors, whose sum is 66224256
The reverse of 66188957 is 75988166
Previous prime number is 1987
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-six million one hundred eighty-eight thousand nine hundred fifty-seven
Scientific notation
6.6188957 × 10^7
Engineering notation
6.6188957 × 10^6
Prime Factorization
1987 × 33311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66188957
Product of the distinct prime numbers
The prime factorization of 66188957 is 1987 × 33311.
Since it has a total of 2 prime factors.
5 , 9 , 3 , 43 , 375 , 283 , 1021 , 2494 , 72483 , 71658 , 277783 , 624594 , 6338592 , 9023589 , 19246025 , 67590138 , 834815626 , 518975383 , 9598476141 , 7044985458
n×2
132377914
n×3
198566871
n×4
264755828
n×5
330944785
n÷2
33094478.5
n÷3
22062985.666667
n÷3
16547239.25
n÷5
13237791.4
n2
4380978028747849
n3
2.8997236636274E+23
n4
1.9192968488371E+31
n5
1.2703625659792E+39
2 √n
8135.6595921904
3 √n
404.50930155855
4 √n
90.197891284611
5 √n
36.657015867288
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
-66188956
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 66188957 can be divided by 4 positive divisors.
The sum of these divisors (counting 66188957) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111100011111011010011101
3
Ternary
11121112202011212
4
Quaternary
3330133122131
5
Quinary
113421021312
6
Senary
10322354205
8
Octal
374373235
10
Decimal
66188957
12
Duodecimal
1a1bb965
16
Hexadecimal
3f1f69d
20
Vigesimal
10ddc7h
36
Base36
13enq5
md5
400bc857137e3789a2521ea356e261e3
sha1
ea06ca7d608b7d2ef3dcaaedd5bdf6c7f354777d
sha256
b9714bca289478be3a7baacb4f02fdc7730027926a43d5ad77adcd9e42abbfa9
sha512
0d35bc445e695cdfc3ff7a2ac44df5c7ca64b853b1eca78677a2d156ca25e28b24b39e8487de1da21c04105ce0264c2fab14b80b6a1359f381e2bae694113961
ripemd-160
f56c1a83dff3705b1175089bde8d42f6382e6131
Diameter
132377914
Circumference
415877482.11994
Area
1.3763248390653E+16
Volume
1.214633407879E+24
Surface area
5.505299356261E+16
Circumference
415877482.11994
Perimeter
264755828
Area
4380978028747849
Diagonal
93605320.66873
Surface area
26285868172487094
Volume
2.8997236636274E+23
Space diagonal
114642636.42399
Perimeter
198566871
Area
1.8970191331586E+15
Altitude
57321318.211996
Surface area
1.8970191331586E+15
Volume
3.4173571101967E+22
Height
31201773.556243