66889619 is an odd 8-digits composite number following 66889618
and preceding 66889620 . In scientific notation, it is written as 6.6889619 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 66817296 positive integers (up to 66889619) that are relatively prime to 66889619.
66889619 has 4 divisors, whose sum is 66961944
The reverse of 66889619 is 91698866
Previous prime number is 937
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-six million eight hundred eighty-nine thousand six hundred nineteen
Scientific notation
6.6889619 × 10^7
Engineering notation
6.6889619 × 10^6
Prime Factorization
937 × 71387
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66889619
Product of the distinct prime numbers
The prime factorization of 66889619 is 937 × 71387.
Since it has a total of 2 prime factors.
10 , 1 , 78 , 3 , 420 , 366 , 3082 , 5317 , 53782 , 590 , 635720 , 725171 , 7507187 , 4648727 , 40016751 , 11049190 , 755085320 , 447101410 , 1658593967 , 1912852006
n×2
133779238
n×3
200668857
n×4
267558476
n×5
334448095
n÷2
33444809.5
n÷3
22296539.666667
n÷3
16722404.75
n÷5
13377923.8
n2
4474221129965161
n3
2.9927894670512E+23
n4
2.0018654719827E+31
n5
1.3390401871018E+39
2 √n
8178.6073997961
3 √n
405.93164379369
4 √n
90.435653366336
5 √n
36.73429796999
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66889618
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66889619 can be divided by 4 positive divisors.
The sum of these divisors (counting 66889619) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001010011110010011
3
Ternary
11122212100022022
4
Quaternary
3333022132103
5
Quinary
114110431434
6
Senary
10345402055
8
Octal
377123623
10
Decimal
66889619
12
Duodecimal
1a49932b
16
Hexadecimal
3fca793
20
Vigesimal
10i140j
36
Base36
13tocz
md5
f3e5883a87555c9fdd13fcdca0142f87
sha1
6c3fef3ef4ec23b56d3dcda9d7a70453c8b0982b
sha256
76b5db4ca2cb8d2e936866862befbfa856ec3cebfecba35ef9f19fdee14a700f
sha512
2cbc9df15f86005d389eda742d4cfcdcdc94891434646b560835b4974c7ee7d7504a7644eeaf00fdc0dd80dcf3f58fc26b7f13619c763fdd9265cc6b85e17cd1
ripemd-160
c8bd42b577d7f93ee1d540cd896e43728dec67a0
Diameter
133779238
Circumference
420279871.30364
Area
1.4056180232435E+16
Volume
1.2536167204572E+24
Surface area
5.6224720929739E+16
Circumference
420279871.30364
Perimeter
267558476
Area
4474221129965161
Diagonal
94596206.371769
Surface area
26845326779790966
Volume
2.9927894670512E+23
Space diagonal
115856218.60692
Perimeter
200668857
Area
1.9373945803495E+15
Altitude
57928109.303462
Surface area
1.9373945803495E+15
Volume
3.5270362113593E+22
Height
31532068.79059