66956821 is an odd 8-digits prime number following 66956820
and preceding 66956822 . In scientific notation, it is written as 6.6956821 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 66956820 positive integers (up to 66956821) that are relatively prime to 66956821.
66956821 has 2 divisors, whose sum is 66956822
The reverse of 66956821 is 12865966
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million nine hundred fifty-six thousand eight hundred twenty-one
Scientific notation
6.6956821 × 10^7
Engineering notation
6.6956821 × 10^6
Prime Factorization
66956821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66956821
Product of the distinct prime numbers
The prime factorization of 66956821 is 66956821.
Since it has a total of 1 prime factors.
10 , 10 , 35 , 4 , 507 , 57 , 1640 , 922 , 69663 , 94236 , 608055 , 785045 , 1867324 , 7160039 , 84137193 , 9774344 , 827956588 , 297535787 , 5902243852 , 8692483435
n×2
133913642
n×3
200870463
n×4
267827284
n×5
334784105
n÷2
33478410.5
n÷3
22318940.333333
n÷3
16739205.25
n÷5
13391364.2
n2
4483215878426041
n3
3.0018188307613E+23
n4
2.0099224612571E+31
n5
1.3457801846227E+39
2 √n
8182.7147695615
3 √n
406.0675407546
4 √n
90.458359312788
5 √n
36.74167617566
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66956822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33478411
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8182.7148306659
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.99999997013
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66956821 can be divided by 2 positive divisors.
The sum of these divisors (counting 66956821) is 66956822, the average is 33478411.
Base
System
Value
2
Binary
11111111011010111000010101
3
Ternary
11122222202111021
4
Quaternary
3333122320111
5
Quinary
114120104241
6
Senary
10351041141
8
Octal
377327025
10
Decimal
66956821
12
Duodecimal
1a5101b1
16
Hexadecimal
3fdae15
20
Vigesimal
10i9c11
36
Base36
13v47p
md5
c978f0b17d237767c2ad5af180787be9
sha1
76531e5e65823d8c0404c916f5ea44a37f1dff3d
sha256
4e3850187c0a8cbe38166c5988ff278a3b228a8e743f5f2411cbc76bcb00e6de
sha512
95b1522ce2d6246d6c826025b2d80dc178514b20b110fe7b4c90efd7208f60e1a6ef309d0811f1fce5f48030a21f95d8e50b777df7102e3c786c1847a8374d7e
ripemd-160
80d37df212d8a50b04f7fdbc0150083bac940445
Diameter
133913642
Circumference
420702113.92265
Area
1.408443806812E+16
Volume
1.2573989314836E+24
Surface area
5.6337752272481E+16
Circumference
420702113.92265
Perimeter
267827284
Area
4483215878426041
Diagonal
94691244.351588
Surface area
26899295270556246
Volume
3.0018188307613E+23
Space diagonal
115972615.88529
Perimeter
200870463
Area
1.9412894206834E+15
Altitude
57986307.942647
Surface area
1.9412894206834E+15
Volume
3.5376774185413E+22
Height
31563748.117196