66278889 is an odd 8-digits composite number following 66278888
and preceding 66278890 . In scientific notation, it is written as 6.6278889 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 43436664 positive integers (up to 66278889) that are relatively prime to 66278889.
66278889 has 8 divisors, whose sum is 74892000
The reverse of 66278889 is 98887266
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million two hundred seventy-eight thousand eight hundred eighty-nine
Scientific notation
6.6278889 × 10^7
Engineering notation
6.6278889 × 10^6
Prime Factorization
9 × 59 × 124819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66278889
Product of the distinct prime numbers
The prime factorization of 66278889 is 9 × 59 × 124819.
Since it has a total of 3 prime factors.
6 , 6 , 36 , 11 , 643 , 844 , 8627 , 6844 , 12637 , 32278 , 374928 , 750310 , 427278 , 3110859 , 1957350 , 45426819 , 994264615 , 596267431 , 1386532964 , 1545048166
n×2
132557778
n×3
198836667
n×4
265115556
n×5
331394445
n÷2
33139444.5
n÷3
22092963
n÷3
16569722.25
n÷5
13255777.8
n2
4392891127074321
n3
2.9115594340044E+23
n4
1.9297492454328E+31
n5
1.2790163603588E+39
2 √n
8141.1847417928
3 √n
404.69242307731
4 √n
90.228514017426
5 √n
36.666971753227
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
-66278888
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 66278889 can be divided by 8 positive divisors.
The sum of these divisors (counting 66278889) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111100110101010111101001
3
Ternary
11121201022112200
4
Quaternary
3330311113221
5
Quinary
113431411024
6
Senary
10324330413
8
Octal
374652751
10
Decimal
66278889
12
Duodecimal
1a243a09
16
Hexadecimal
3f355e9
20
Vigesimal
10e4h49
36
Base36
13gl49
md5
70de02fc3d268facf9f6add479a0ef1b
sha1
65ce896fce98ef218abf59c891d5be1dbc1823b0
sha256
cf7e5f0dacf0b7a7f83f52d85645e407d91c9a1a2107e314c394982a948befb2
sha512
dac014f78b4dc0362e74ab551e0b05624236e9759870cd6bca716401ac20db9561a3913b59d1a01b3d2dd32fdbde62400a9e565b1b2d718180b419847bfe00cd
ripemd-160
d59fbbc04f4c63c8acee67468755808446684ced
Diameter
132557778
Circumference
416442541.54099
Area
1.3800674492836E+16
Volume
1.2195911637811E+24
Surface area
5.5202697971346E+16
Circumference
416442541.54099
Perimeter
265115556
Area
4392891127074321
Diagonal
93732503.722821
Surface area
26357346762445926
Volume
2.9115594340044E+23
Space diagonal
114798403.21722
Perimeter
198836667
Area
1.9021776560528E+15
Altitude
57399201.608609
Surface area
1.9021776560528E+15
Volume
3.4313056993537E+22
Height
31244167.907607