66996857 is an odd 8-digits composite number following 66996856
and preceding 66996858 . In scientific notation, it is written as 6.6996857 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 66980196 positive integers (up to 66996857) that are relatively prime to 66996857.
66996857 has 4 divisors, whose sum is 67013520
The reverse of 66996857 is 75869966
Previous prime number is 6779
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-six million nine hundred ninety-six thousand eight hundred fifty-seven
Scientific notation
6.6996857 × 10^7
Engineering notation
6.6996857 × 10^6
Prime Factorization
6779 × 9883
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66996857
Product of the distinct prime numbers
The prime factorization of 66996857 is 6779 × 9883.
Since it has a total of 2 prime factors.
2 , 9 , 73 , 56 , 578 , 609 , 8190 , 635 , 55418 , 98554 , 169510 , 459740 , 4268606 , 3936452 , 17943914 , 75168753 , 74097625 , 66988031 , 1421511760 , 1426906678
n×2
133993714
n×3
200990571
n×4
267987428
n×5
334984285
n÷2
33498428.5
n÷3
22332285.666667
n÷3
16749214.25
n÷5
13399371.4
n2
4488578847878449
n3
3.0072067520454E+23
n4
2.0147340073622E+31
n5
1.3498084618428E+39
2 √n
8185.160780339
3 √n
406.14845897726
4 √n
90.471878395107
5 √n
36.74606897098
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66996856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66996857 can be divided by 4 positive divisors.
The sum of these divisors (counting 66996857) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111100100101001111001
3
Ternary
11200001210102002
4
Quaternary
3333210221321
5
Quinary
114122344412
6
Senary
10351550345
8
Octal
377445171
10
Decimal
66996857
12
Duodecimal
1a52b3b5
16
Hexadecimal
3fe4a79
20
Vigesimal
10iec2h
36
Base36
13vz3t
md5
3af695c5d056414983c17b3ce65a9d98
sha1
278f94a0962cb5419b7e2f28956c0cbc94810fd4
sha256
98fe7b463f1d1a7c9c10f48a372cb43179299ef4bd1919dffca377aa6057bae2
sha512
6aa992288a0d9637991b5fe4e0bf96ddd86915f937e90525081cf5eb7081218c2e1ef2fba25e7f512bb31a074adcb3bfa0e88486622cf0173787f6cce79c33f4
ripemd-160
f29cb232797014bd169c036aa6bbbb15e17e5ddd
Diameter
133993714
Circumference
420953667.52961
Area
1.4101286333553E+16
Volume
1.2596558186735E+24
Surface area
5.6405145334214E+16
Circumference
420953667.52961
Perimeter
267987428
Area
4488578847878449
Diagonal
94747863.805771
Surface area
26931473087270694
Volume
3.0072067520454E+23
Space diagonal
116041960.27143
Perimeter
200990571
Area
1.9436116545761E+15
Altitude
58020980.135713
Surface area
1.9436116545761E+15
Volume
3.5440271446688E+22
Height
31582621.26859