66989817 is an odd 8-digits composite number following 66989816
and preceding 66989818 . In scientific notation, it is written as 6.6989817 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 6 positive divisors.
There are 44659872 positive integers (up to 66989817) that are relatively prime to 66989817.
66989817 has 6 divisors, whose sum is 96763082
The reverse of 66989817 is 71898966
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million nine hundred eighty-nine thousand eight hundred seventeen
Scientific notation
6.6989817 × 10^7
Engineering notation
6.6989817 × 10^6
Prime Factorization
3 × 3 × 7443313
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
22329939
Product of the distinct prime numbers
The prime factorization of 66989817 is 3 × 3 × 7443313.
Since it has a total of 3 prime factors.
10 , 5 , 94 , 37 , 252 , 260 , 2426 , 9383 , 21055 , 97168 , 422742 , 423354 , 2635342 , 3924791 , 32254097 , 35269021 , 301508449 , 14647960 , 2113207623 , 3306643619
n×2
133979634
n×3
200969451
n×4
267959268
n×5
334949085
n÷2
33494908.5
n÷3
22329939
n÷3
16747454.25
n÷5
13397963.4
n2
4487635581693489
n3
3.0062588638034E+23
n4
2.0138873114081E+31
n5
1.3490994244985E+39
2 √n
8184.7307225101
3 √n
406.13423251234
4 √n
90.469501615241
5 √n
36.745296686395
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66989816
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66989817 can be divided by 6 positive divisors.
The sum of these divisors (counting 66989817) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
11111111100010111011111001
3
Ternary
11200001102202100
4
Quaternary
3333202323321
5
Quinary
114122133232
6
Senary
10351454013
8
Octal
377427371
10
Decimal
66989817
12
Duodecimal
1a527309
16
Hexadecimal
3fe2ef9
20
Vigesimal
10ideah
36
Base36
13vto9
md5
de182cb2a4f9f94ba0d31b470467526e
sha1
410c643f99e38898b3a3409f3e95f828f3e942a5
sha256
29a08546a67ab48f40827a11b0992b87b4db8e51b66c688e34ee9d890f05fc95
sha512
d3288d1481c4ace33b071f57a8f59dfc27bfdab2211bb03f3686cbce90f96ab90e3f7cfca27c76ce03f8f4aa5fa3c4f6c470974e3547bdb58a3c9816ebd71e5e
ripemd-160
41d5a6ff98ef70e8f6fe1295cadb55ee88437e52
Diameter
133979634
Circumference
420909433.90505
Area
1.4098322975436E+16
Volume
1.2592587681752E+24
Surface area
5.6393291901746E+16
Circumference
420909433.90505
Perimeter
267959268
Area
4487635581693489
Diagonal
94737907.742292
Surface area
26925813490160934
Volume
3.0062588638034E+23
Space diagonal
116029766.63374
Perimeter
200969451
Area
1.9432032083368E+15
Altitude
58014883.316871
Surface area
1.9432032083368E+15
Volume
3.5429100476625E+22
Height
31579302.580764