66779968 is an even 8-digits composite number following 66779967
and preceding 66779969 . In scientific notation, it is written as 6.6779968 × 10^7.
The sum of its digits is 58. It has a total of 8 prime factors and 28 positive divisors.
There are 32486400 positive integers (up to 66779968) that are relatively prime to 66779968.
66779968 has 28 divisors, whose sum is 136102852
The reverse of 66779968 is 86997766
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
sixty-six million seven hundred seventy-nine thousand nine hundred sixty-eight
Scientific notation
6.6779968 × 10^7
Engineering notation
6.6779968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 37 × 28201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2086874
Product of the distinct prime numbers
The prime factorization of 66779968 is 2 × 2 × 2 × 2 × 2 × 2 × 37 × 28201.
Since it has a total of 8 prime factors.
9 , 6 , 75 , 73 , 110 , 385 , 3948 , 5407 , 74013 , 43973 , 614119 , 799376 , 430635 , 6775359 , 50917554 , 95525817 , 809815274 , 64871891 , 4113561837 , 4161015044
n×2
133559936
n×3
200339904
n×4
267119872
n×5
333899840
n÷2
33389984
n÷3
22259989.333333
n÷3
16694992
n÷5
13355993.6
n2
4459564126081024
n3
2.9780954963364E+23
n4
1.9887712194629E+31
n5
1.3281007839505E+39
2 √n
8171.9011251972
3 √n
405.70971022886
4 √n
90.398568158999
5 √n
36.722246484725
1 , 2 , 4 , 8 , 16 , 32 , 37 , 64 , 74 , 148 , 296 , 592 , 1184 , 2368 , 28201 , 56402 , 112804 , 225608 , 451216 , 902432 , 1043437 , 1804864 , 2086874 , 4173748 , 8347496 , 16694992 , 33389984 , 66779968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66779967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66779968 can be divided by 28 positive divisors.
The sum of these divisors (counting 66779968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
11111110101111101101000000
3
Ternary
11122122202220011
4
Quaternary
3332233231000
5
Quinary
114043424333
6
Senary
10343154304
8
Octal
376575500
10
Decimal
66779968
12
Duodecimal
1a445994
16
Hexadecimal
3fafb40
20
Vigesimal
10h79i8
36
Base36
13rbr4
md5
8cc99feacaa7e2b081b23b77afb42480
sha1
982c1f4d48e94ffa89bcb1179c56de9e07692b74
sha256
d151ff8af9a1c677b2cbb6bb2ef9217691e4976f3f3cdde860f3059e2fbf0341
sha512
7d8e454d19886037232527aa3467a9c24d2358ce0d4bc5f097961ca5d7e64c35aa6b10733eba8428f280933de3cfa639088a0417611750bce29abe3123ed38ac
ripemd-160
ee8ab7440cf63f14323d3a56723ca9134f6504eb
Diameter
133559936
Circumference
419590913.75152
Area
1.4010133896709E+16
Volume
1.2474617243972E+24
Surface area
5.6040535586835E+16
Circumference
419590913.75152
Perimeter
267119872
Area
4459564126081024
Diagonal
94441136.440441
Surface area
26757384756486144
Volume
2.9780954963364E+23
Space diagonal
115666297.50382
Perimeter
200339904
Area
1.931047911496E+15
Altitude
57833148.751912
Surface area
1.931047911496E+15
Volume
3.509719200801E+22
Height
31480378.81348