66886918 is an even 8-digits composite number following 66886917
and preceding 66886919 . In scientific notation, it is written as 6.6886918 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 28597896 positive integers (up to 66886918) that are relatively prime to 66886918.
66886918 has 16 divisors, whose sum is 114935040
The reverse of 66886918 is 81968866
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-six million eight hundred eighty-six thousand nine hundred eighteen
Scientific notation
6.6886918 × 10^7
Engineering notation
6.6886918 × 10^6
Prime Factorization
2 × 7 × 439 × 10883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66886918
Product of the distinct prime numbers
The prime factorization of 66886918 is 2 × 7 × 439 × 10883.
Since it has a total of 4 prime factors.
9 , 7 , 37 , 87 , 686 , 803 , 1773 , 226 , 484 , 9917 , 909337 , 864099 , 525996 , 1143241 , 72178656 , 6702820 , 728095555 , 201035156 , 9337280491 , 859572134
n×2
133773836
n×3
200660754
n×4
267547672
n×5
334434590
n÷2
33443459
n÷3
22295639.333333
n÷3
16721729.5
n÷5
13377383.6
n2
4473859799538724
n3
2.9924269355524E+23
n4
2.0015421505929E+31
n5
1.3387698570025E+39
2 √n
8178.4422722179
3 √n
405.92617988591
4 √n
90.434740405542
5 √n
36.734001299317
1 , 2 , 7 , 14 , 439 , 878 , 3073 , 6146 , 10883 , 21766 , 76181 , 152362 , 4777637 , 9555274 , 33443459 , 66886918
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66886917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66886918 can be divided by 16 positive divisors.
The sum of these divisors (counting 66886918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001001110100000110
3
Ternary
11122212012121021
4
Quaternary
3333021310012
5
Quinary
114110340133
6
Senary
10345341354
8
Octal
377116406
10
Decimal
66886918
12
Duodecimal
1a49785a
16
Hexadecimal
3fc9d06
20
Vigesimal
10i0h5i
36
Base36
13tm9y
md5
0d354a0239c3648a929405ae3f83a930
sha1
f5ae4ea32267a8a9b73b6e47909a4283534347ad
sha256
792c3e6ca71e9edf8c4b54d244d751bf423bade90a7191ee7ab5775241b6d99d
sha512
e03406f0d5b6e086c9b0259e1e7bc97950a3e4c1c20a054d1959458c9fc3f33c22cbc581cde5b4ea374c60a8240d34e43af4e9563cf993bd1021c77ef3cecf2d
ripemd-160
a2d9da168c0ab1d8989f07db0164aff97a7b5fb3
Diameter
133773836
Circumference
420262900.42013
Area
1.4055045079422E+16
Volume
1.2534648636181E+24
Surface area
5.6220180317686E+16
Circumference
420262900.42013
Perimeter
267547672
Area
4473859799538724
Diagonal
94592386.580937
Surface area
26843158797232344
Volume
2.9924269355524E+23
Space diagonal
115851540.33769
Perimeter
200660754
Area
1.9372381196852E+15
Altitude
57925770.168847
Surface area
1.9372381196852E+15
Volume
3.5266089638907E+22
Height
31530795.526979