66996889 is an odd 8-digits prime number following 66996888
and preceding 66996890 . In scientific notation, it is written as 6.6996889 × 10^7.
The sum of its digits is 61. It has a total of 1 prime factors and 2 positive divisors.
There are 66996888 positive integers (up to 66996889) that are relatively prime to 66996889.
66996889 has 2 divisors, whose sum is 66996890
The reverse of 66996889 is 98869966
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
sixty-six million nine hundred ninety-six thousand eight hundred eighty-nine
Scientific notation
6.6996889 × 10^7
Engineering notation
6.6996889 × 10^6
Prime Factorization
66996889
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66996889
Product of the distinct prime numbers
The prime factorization of 66996889 is 66996889.
Since it has a total of 1 prime factors.
8 , 5 , 79 , 57 , 295 , 985 , 8191 , 6162 , 34923 , 79773 , 996374 , 279182 , 5268338 , 5226661 , 56454709 , 61287910 , 211609953 , 252704946 , 5700512960 , 4873551738
n×2
133993778
n×3
200990667
n×4
267987556
n×5
334984445
n÷2
33498444.5
n÷3
22332296.333333
n÷3
16749222.25
n÷5
13399377.8
n2
4488583135678321
n3
3.0072110610831E+23
n4
2.0147378565896E+31
n5
1.3498116854203E+39
2 √n
8185.1627350957
3 √n
406.14852364073
4 √n
90.471889198224
5 √n
36.746072481216
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66996890
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33498445
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8185.1627961819
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999701479
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66996889 can be divided by 2 positive divisors.
The sum of these divisors (counting 66996889) is 66996890, the average is 33498445.
Base
System
Value
2
Binary
11111111100100101010011001
3
Ternary
11200001210110021
4
Quaternary
3333210222121
5
Quinary
114122400024
6
Senary
10351550441
8
Octal
377445231
10
Decimal
66996889
12
Duodecimal
1a52b421
16
Hexadecimal
3fe4a99
20
Vigesimal
10iec49
36
Base36
13vz4p
md5
89bea5e86d781e12d2e6fd80d95d690e
sha1
d6f87e9f6932d9041c669a57290f4142a841f39d
sha256
db0578def8e95b928a5bd0af28e3be9737ac7af730b1d1948cd08d62d8ff144f
sha512
51288272db54a84ebbc80f280bbec182447c767b2800c6a3f382169417401c8f5085157c756b2c20262fb510db34b4e0cc24e4b7f3411a17cc1e548649dff7cb
ripemd-160
3363ef967ebc7885230d5b0b0da2e6a02b408c88
Diameter
133993778
Circumference
420953868.59154
Area
1.4101299804074E+16
Volume
1.259657623639E+24
Surface area
5.6405199216296E+16
Circumference
420953868.59154
Perimeter
267987556
Area
4488583135678321
Diagonal
94747909.060605
Surface area
26931498814069926
Volume
3.0072110610831E+23
Space diagonal
116042015.69705
Perimeter
200990667
Area
1.9436135112479E+15
Altitude
58021007.848526
Surface area
1.9436135112479E+15
Volume
3.5440322229185E+22
Height
31582636.353535