66889907 is an odd 8-digits composite number following 66889906
and preceding 66889908 . In scientific notation, it is written as 6.6889907 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 57198600 positive integers (up to 66889907) that are relatively prime to 66889907.
66889907 has 8 divisors, whose sum is 76626432
The reverse of 66889907 is 70998866
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-six million eight hundred eighty-nine thousand nine hundred seven
Scientific notation
6.6889907 × 10^7
Engineering notation
6.6889907 × 10^6
Prime Factorization
7 × 431 × 22171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66889907
Product of the distinct prime numbers
The prime factorization of 66889907 is 7 × 431 × 22171.
Since it has a total of 3 prime factors.
9 , 7 , 22 , 100 , 62 , 418 , 8240 , 665 , 52821 , 86341 , 568270 , 130304 , 9462575 , 1971906 , 82920320 , 98288826 , 262347422 , 384992053 , 8809807141 , 5111471856
n×2
133779814
n×3
200669721
n×4
267559628
n×5
334449535
n÷2
33444953.5
n÷3
22296635.666667
n÷3
16722476.75
n÷5
13377981.4
n2
4474259658468649
n3
2.9928281244882E+23
n4
2.00189994914E+31
n5
1.3390690142128E+39
2 √n
8178.6250066866
3 √n
405.93222638606
4 √n
90.435750711135
5 √n
36.73432960258
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
-66889906
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 66889907 can be divided by 8 positive divisors.
The sum of these divisors (counting 66889907) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001010100010110011
3
Ternary
11122212100200222
4
Quaternary
3333022202303
5
Quinary
114110434112
6
Senary
10345403255
8
Octal
377124263
10
Decimal
66889907
12
Duodecimal
1a49952b
16
Hexadecimal
3fca8b3
20
Vigesimal
10i14f7
36
Base36
13tokz
md5
392678db22382d52436c6d6b36cc6832
sha1
89af8d7b979c9ed55ff37afc04101d817a953428
sha256
022c47597273109f215a967f3f7b756e1de9d9483574a251b993e04f35814f1f
sha512
434d8c5ff34ebec8413f6c8a3101ed74a56623603814578193e41f069a765a717034e22255a84c630219d2e3b1d4f3ccd5bbf1bcc5cdb4ee8199798ab26d040b
ripemd-160
9faff600620a7af79460317e3c8a1711b0c73ead
Diameter
133779814
Circumference
420281680.86101
Area
1.4056301273298E+16
Volume
1.2536329132465E+24
Surface area
5.6225205093193E+16
Circumference
420281680.86101
Perimeter
267559628
Area
4474259658468649
Diagonal
94596613.665275
Surface area
26845557950811894
Volume
2.9928281244882E+23
Space diagonal
115856717.43756
Perimeter
200669721
Area
1.9374112636809E+15
Altitude
57928358.718779
Surface area
1.9374112636809E+15
Volume
3.5270817695857E+22
Height
31532204.555092