66888972 is an even 8-digits composite number following 66888971
and preceding 66888973 . In scientific notation, it is written as 6.6888972 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 22252320 positive integers (up to 66888972) that are relatively prime to 66888972.
66888972 has 24 divisors, whose sum is 130318720
The reverse of 66888972 is 27988866
Previous prime number is 607
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million eight hundred eighty-eight thousand nine hundred seventy-two
Scientific notation
6.6888972 × 10^7
Engineering notation
6.6888972 × 10^6
Prime Factorization
2 × 2 × 9 × 607 × 3061
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33444486
Product of the distinct prime numbers
The prime factorization of 66888972 is 2 × 2 × 9 × 607 × 3061.
Since it has a total of 5 prime factors.
2 , 1 , 72 , 7 , 851 , 812 , 2723 , 6801 , 91823 , 72615 , 595590 , 331701 , 9675124 , 2723242 , 97880047 , 36136480 , 717226429 , 694761243 , 6524052312 , 1519557308
n×2
133777944
n×3
200666916
n×4
267555888
n×5
334444860
n÷2
33444486
n÷3
22296324
n÷3
16722243
n÷5
13377794.4
n2
4474134575216784
n3
2.9927026232591E+23
n4
2.001788019715E+31
n5
1.3389754280065E+39
2 √n
8178.5678452893
3 √n
405.93033497764
4 √n
90.435434677395
5 √n
36.734226906099
1 , 2 , 4 , 9 , 18 , 36 , 607 , 1214 , 2428 , 3061 , 5463 , 6122 , 10926 , 12244 , 21852 , 27549 , 55098 , 110196 , 1858027 , 3716054 , 7432108 , 16722243 , 33444486 , 66888972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66888971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66888972 can be divided by 24 positive divisors.
The sum of these divisors (counting 66888972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111001010010100001100
3
Ternary
11122212022102100
4
Quaternary
3333022110030
5
Quinary
114110421342
6
Senary
10345355100
8
Octal
377122414
10
Decimal
66888972
12
Duodecimal
1a498a90
16
Hexadecimal
3fca50c
20
Vigesimal
10i128c
36
Base36
13tnv0
md5
90daaa9c51c6e802596ac623dddb5d98
sha1
97c809649aa8c47069dec6d07a4cb82f7b249af8
sha256
838e3986dd46e97f22843015f43ea5fab3ced86cfe661ebf37a5bd4b35917615
sha512
b5cab353e847089c4943cf16265f6f611c325eff9e51cb56380414b43a6e6de0bf85ef28c534515e30d56b2a6ecdc1d3324a819d57e859544fdd48149963d60b
ripemd-160
48fbc0bdd5b6a54230bed2bacecf865e7baa68b2
Diameter
133777944
Circumference
420275806.08275
Area
1.4055908312673E+16
Volume
1.2535803434146E+24
Surface area
5.6223633250693E+16
Circumference
420275806.08275
Perimeter
267555888
Area
4474134575216784
Diagonal
94595291.375594
Surface area
26844807451300704
Volume
2.9927026232591E+23
Space diagonal
115855097.97005
Perimeter
200666916
Area
1.937357101044E+15
Altitude
57927548.985026
Surface area
1.937357101044E+15
Volume
3.5269338649688E+22
Height
31531763.791865