66897789 is an odd 8-digits composite number following 66897788
and preceding 66897790 . In scientific notation, it is written as 6.6897789 × 10^7.
The sum of its digits is 60. It has a total of 5 prime factors and 24 positive divisors.
There are 38112480 positive integers (up to 66897789) that are relatively prime to 66897789.
66897789 has 24 divisors, whose sum is 104071968
The reverse of 66897789 is 98779866
Previous prime number is 797
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
sixty-six million eight hundred ninety-seven thousand seven hundred eighty-nine
Scientific notation
6.6897789 × 10^7
Engineering notation
6.6897789 × 10^6
Prime Factorization
7 × 7 × 3 × 797 × 571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9556827
Product of the distinct prime numbers
The prime factorization of 66897789 is 7 × 7 × 3 × 797 × 571.
Since it has a total of 5 prime factors.
7 , 5 , 82 , 4 , 624 , 943 , 7177 , 4166 , 92886 , 50148 , 609404 , 481388 , 1896120 , 7830764 , 66506998 , 35136220 , 699095775 , 921778714 , 1037052597 , 1871917138
n×2
133795578
n×3
200693367
n×4
267591156
n×5
334488945
n÷2
33448894.5
n÷3
22299263
n÷3
16724447.25
n÷5
13379557.8
n2
4475314173088521
n3
2.9938862325999E+23
n4
2.0028436947847E+31
n5
1.3398581489369E+39
2 √n
8179.1068583312
3 √n
405.94817015738
4 √n
90.438414726991
5 √n
36.735195282778
1 , 3 , 7 , 21 , 49 , 147 , 571 , 797 , 1713 , 2391 , 3997 , 5579 , 11991 , 16737 , 27979 , 39053 , 83937 , 117159 , 455087 , 1365261 , 3185609 , 9556827 , 22299263 , 66897789
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66897788
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66897789 can be divided by 24 positive divisors.
The sum of these divisors (counting 66897789) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111001100011101111101
3
Ternary
11122212202111220
4
Quaternary
3333030131331
5
Quinary
114111212124
6
Senary
10345503553
8
Octal
377143575
10
Decimal
66897789
12
Duodecimal
1a4a1bb9
16
Hexadecimal
3fcc77d
20
Vigesimal
10i2499
36
Base36
13tunx
md5
5ba2020f33e74a3f73abdfcfabab1e83
sha1
9061e0e76e972f9ec9b29de167c17538419d9a7c
sha256
1ac506c11ab116d9abe60754ccf45a1cd52ec3a6d11a4685eb3e08c1866f4e6f
sha512
de681a2a4761c8bd1a88cd8f7c4e86b05f72914f2f601ea7a7f7c0f731b14347a72341a9830d3f19997f5cb0d48f996b44264bb4467de36e22ef0ca70dc3a27e
ripemd-160
3c6947aa6c3250448d58b17cd0937bea0c9ae4e5
Diameter
133795578
Circumference
420331204.9276
Area
1.4059614128681E+16
Volume
1.2540761325359E+24
Surface area
5.6238456514725E+16
Circumference
420331204.9276
Perimeter
267591156
Area
4475314173088521
Diagonal
94607760.496574
Surface area
26851885038531126
Volume
2.9938862325999E+23
Space diagonal
115870369.46202
Perimeter
200693367
Area
1.9378678819056E+15
Altitude
57935184.731011
Surface area
1.9378678819056E+15
Volume
3.528328761954E+22
Height
31535920.165525