66778899 is an odd 8-digits composite number following 66778898
and preceding 66778900 . In scientific notation, it is written as 6.6778899 × 10^7.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 40472040 positive integers (up to 66778899) that are relatively prime to 66778899.
66778899 has 8 divisors, whose sum is 97132992
The reverse of 66778899 is 99887766
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
sixty-six million seven hundred seventy-eight thousand eight hundred ninety-nine
Scientific notation
6.6778899 × 10^7
Engineering notation
6.6778899 × 10^6
Prime Factorization
3 × 11 × 2023603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66778899
Product of the distinct prime numbers
The prime factorization of 66778899 is 3 × 11 × 2023603.
Since it has a total of 3 prime factors.
4 , 8 , 40 , 18 , 101 , 226 , 1055 , 6798 , 83037 , 50747 , 932766 , 21844 , 3924432 , 7701008 , 83382564 , 82884081 , 615438456 , 250820264 , 8526092637 , 9091521020
n×2
133557798
n×3
200336697
n×4
267115596
n×5
333894495
n÷2
33389449.5
n÷3
22259633
n÷3
16694724.75
n÷5
13355779.8
n2
4459421351652201
n3
2.9779524804043E+23
n4
1.9886438791572E+31
n5
1.327994487532E+39
2 √n
8171.8357178788
3 √n
405.7075453781
4 √n
90.398206386404
5 √n
36.722128915538
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66778898
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66778899 can be divided by 8 positive divisors.
The sum of these divisors (counting 66778899) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110101111011100010011
3
Ternary
11122122201102120
4
Quaternary
3332233130103
5
Quinary
114043411044
6
Senary
10343145323
8
Octal
376573423
10
Decimal
66778899
12
Duodecimal
1a445243
16
Hexadecimal
3faf713
20
Vigesimal
10h774j
36
Base36
13raxf
md5
85f889f211ef43b280cf5c9b3c32b06f
sha1
d8b1bfe1fe1493a469abfee33a409ec1721f00f2
sha256
0a72cf11563ffda070b14e05f6eaaee533b343c2d6d260f7448bd6b8268c1eee
sha512
3931921888a6f678df0306f0876687f1cdc42af2ab333cdbe86ac4b2602a589e8316b06e7bbd12c3655dc57de5a222348699cebdf6275ef8cc2d69e71a3ef614
ripemd-160
32e33cb566054290cc6c4223cfe50bc121b4fdf6
Diameter
133557798
Circumference
419584197.02643
Area
1.4009685357612E+16
Volume
1.2474018180237E+24
Surface area
5.6038741430448E+16
Circumference
419584197.02643
Perimeter
267115596
Area
4459421351652201
Diagonal
94439624.646143
Surface area
26756528109913206
Volume
2.9779524804043E+23
Space diagonal
115664445.94151
Perimeter
200336697
Area
1.9309860883548E+15
Altitude
57832222.970755
Surface area
1.9309860883548E+15
Volume
3.5095506549086E+22
Height
31479874.882048