66884787 is an odd 8-digits composite number following 66884786
and preceding 66884788 . In scientific notation, it is written as 6.6884787 × 10^7.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 44589852 positive integers (up to 66884787) that are relatively prime to 66884787.
66884787 has 4 divisors, whose sum is 74316440
The reverse of 66884787 is 78748866
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million eight hundred eighty-four thousand seven hundred eighty-seven
Scientific notation
6.6884787 × 10^7
Engineering notation
6.6884787 × 10^6
Prime Factorization
9 × 7431643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66884787
Product of the distinct prime numbers
The prime factorization of 66884787 is 9 × 7431643.
Since it has a total of 2 prime factors.
2 , 10 , 94 , 75 , 595 , 142 , 5846 , 9390 , 20277 , 5246 , 434753 , 510304 , 6404921 , 2479322 , 54026566 , 99455992 , 521509338 , 528581757 , 7054214702 , 8425362884
n×2
133769574
n×3
200654361
n×4
267539148
n×5
334423935
n÷2
33442393.5
n÷3
22294929
n÷3
16721196.75
n÷5
13376957.4
n2
4473574732035369
n3
2.9921409308077E+23
n4
2.0012870883105E+31
n5
1.338556606275E+39
2 √n
8178.3119896468
3 √n
405.92186893891
4 √n
90.434020090046
5 √n
36.733767229167
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
-66884786
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 66884787 can be divided by 4 positive divisors.
The sum of these divisors (counting 66884787) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111001001010010110011
3
Ternary
11122212002200100
4
Quaternary
3333021102303
5
Quinary
114110303122
6
Senary
10345323443
8
Octal
377112263
10
Decimal
66884787
12
Duodecimal
1a496583
16
Hexadecimal
3fc94b3
20
Vigesimal
10i0bj7
36
Base36
13tkmr
md5
30cfcf383d36bdb6c4b6e68d32e66673
sha1
4c524af48a6a6a94c2b067a07026510df62665af
sha256
e00708a077fb8b4ab6277bf4ffa8b7ea195ce35b98bb1e5fe2aa55731f3d1b16
sha512
261b6df9db832287c045c5c7baf3d72d756def7f7d719f63196a4a4264188855829d9fe34ed000f2ce69ec054a990cd8bd93bf0ff57a5ac19bddbff18c26879b
ripemd-160
619d5717dc653cc84aeee0f73c9e3aac50d36fc0
Diameter
133769574
Circumference
420249510.95224
Area
1.4054149513447E+16
Volume
1.2533450622308E+24
Surface area
5.6216598053789E+16
Circumference
420249510.95224
Perimeter
267539148
Area
4473574732035369
Diagonal
94589372.891836
Surface area
26841448392212214
Volume
2.9921409308077E+23
Space diagonal
115847849.33742
Perimeter
200654361
Area
1.9371146818354E+15
Altitude
57923924.668711
Surface area
1.9371146818354E+15
Volume
3.5262719040666E+22
Height
31529790.963945