66777768 is an even 8-digits composite number following 66777767
and preceding 66777769 . In scientific notation, it is written as 6.6777768 × 10^7.
The sum of its digits is 54. It has a total of 6 prime factors and 32 positive divisors.
There are 20680704 positive integers (up to 66777768) that are relatively prime to 66777768.
66777768 has 32 divisors, whose sum is 127650600
The reverse of 66777768 is 86777766
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million seven hundred seventy-seven thousand seven hundred sixty-eight
Scientific notation
6.6777768 × 10^7
Engineering notation
6.6777768 × 10^6
Prime Factorization
2 × 2 × 2 × 153 × 89 × 613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16694442
Product of the distinct prime numbers
The prime factorization of 66777768 is 2 × 2 × 2 × 153 × 89 × 613.
Since it has a total of 6 prime factors.
4 , 6 , 89 , 16 , 781 , 765 , 6527 , 4161 , 26569 , 96701 , 475104 , 937950 , 2970930 , 4048731 , 69902433 , 14955526 , 255590153 , 74711716 , 6418468892 , 1717947271
n×2
133555536
n×3
200333304
n×4
267111072
n×5
333888840
n÷2
33388884
n÷3
22259256
n÷3
16694442
n÷5
13355553.6
n2
4459270299061824
n3
2.9778011748004E+23
n4
1.9885091600095E+31
n5
1.3278820335299E+39
2 √n
8171.7665164883
3 √n
405.70525494488
4 √n
90.397823626945
5 √n
36.722004525918
1 , 2 , 4 , 8 , 89 , 153 , 178 , 306 , 356 , 612 , 613 , 712 , 1224 , 1226 , 2452 , 4904 , 13617 , 27234 , 54468 , 54557 , 93789 , 108936 , 109114 , 187578 , 218228 , 375156 , 436456 , 750312 , 8347221 , 16694442 , 33388884 , 66777768
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66777767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66777768 can be divided by 32 positive divisors.
The sum of these divisors (counting 66777768) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110101111001010101000
3
Ternary
11122122122212200
4
Quaternary
3332233022220
5
Quinary
114043342033
6
Senary
10343140200
8
Octal
376571250
10
Decimal
66777768
12
Duodecimal
1a444660
16
Hexadecimal
3faf2a8
20
Vigesimal
10h7488
36
Base36
13ra20
md5
c5c8b1d05535f35514a7c8c4cdca1d24
sha1
416779173eed76d3d2383bdb4ce3721ff3b46c10
sha256
06f45beb5e07c1025f8e82167578bf576022f6f0479af79ed3c2a1e21b7415d9
sha512
f3d3da9dda1667cbc7eb325d534d17f6f3689ab4b88c9108d7367f56ed696c34a6c45a7d859db3c30c5f2d576ea58ffcb986efdb2bf0f2244a1bce0e227a015c
ripemd-160
d78ef472a740b1ba2054717fe45f8004f04e6af7
Diameter
133555536
Circumference
419577090.74385
Area
1.4009210811904E+16
Volume
1.2473384392805E+24
Surface area
5.6036843247615E+16
Circumference
419577090.74385
Perimeter
267111072
Area
4459270299061824
Diagonal
94438025.170604
Surface area
26755621794370944
Volume
2.9778011748004E+23
Space diagonal
115662486.99205
Perimeter
200333304
Area
1.9309206806645E+15
Altitude
57831243.496024
Surface area
1.9309206806645E+15
Volume
3.5093723395444E+22
Height
31479341.723535