66730889 is an odd 8-digits composite number following 66730888
and preceding 66730890 . In scientific notation, it is written as 6.6730889 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 62781840 positive integers (up to 66730889) that are relatively prime to 66730889.
66730889 has 8 divisors, whose sum is 70775232
The reverse of 66730889 is 98803766
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-six million seven hundred thirty thousand eight hundred eighty-nine
Scientific notation
6.6730889 × 10^7
Engineering notation
6.6730889 × 10^6
Prime Factorization
23 × 61 × 47563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66730889
Product of the distinct prime numbers
The prime factorization of 66730889 is 23 × 61 × 47563.
Since it has a total of 3 prime factors.
6 , 8 , 55 , 28 , 19 , 836 , 2355 , 9390 , 34106 , 31971 , 554939 , 18947 , 1614694 , 9883622 , 30249889 , 2226186 , 93333286 , 135394197 , 6023372497 , 5498094534
n×2
133461778
n×3
200192667
n×4
266923556
n×5
333654445
n÷2
33365444.5
n÷3
22243629.666667
n÷3
16682722.25
n÷5
13346177.8
n2
4453011546730321
n3
2.9715341924058E+23
n4
1.9829311835314E+31
n5
1.3232276070287E+39
2 √n
8168.8976612515
3 √n
405.61029565176
4 √n
90.381954289844
5 √n
36.716847197333
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
-66730888
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 66730889 can be divided by 8 positive divisors.
The sum of these divisors (counting 66730889) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110100011101110001001
3
Ternary
11122120021120102
4
Quaternary
3332203232021
5
Quinary
114040342024
6
Senary
10342135145
8
Octal
376435611
10
Decimal
66730889
12
Duodecimal
1a4214b5
16
Hexadecimal
3fa3b89
20
Vigesimal
10h1749
36
Base36
13q9vt
md5
a2d582a1e854a8c72350db3ad8622025
sha1
e7bd0d3e1fb88b3f87ccc7fa0cf26721035baf4d
sha256
40e727d6214d27d5531165c1e6b7bec5633813c35700e42eedae31cf2d7c41a5
sha512
d9b9e13aa1836415a290691900b13d6e645fa94327af0dd7f2d0ef3139f2562242d4f68eb2d7c126179bdb41f8f83fb6b38d991b2f1ec95c05b3dac9804a66a5
ripemd-160
3cc4f7b081e8a5a6244b013e823dbbe18906134f
Diameter
133461778
Circumference
419282541.29983
Area
1.3989548361558E+16
Volume
1.2447133318337E+24
Surface area
5.5958193446234E+16
Circumference
419282541.29983
Perimeter
266923556
Area
4453011546730321
Diagonal
94371728.253014
Surface area
26718069280381926
Volume
2.9715341924058E+23
Space diagonal
115581290.18224
Perimeter
200192667
Area
1.9282105614069E+15
Altitude
57790645.09112
Surface area
1.9282105614069E+15
Volume
3.501986629963E+22
Height
31457242.751005