66872751 is an odd 8-digits composite number following 66872750
and preceding 66872752 . In scientific notation, it is written as 6.6872751 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 40528920 positive integers (up to 66872751) that are relatively prime to 66872751.
66872751 has 8 divisors, whose sum is 97269504
The reverse of 66872751 is 15727866
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million eight hundred seventy-two thousand seven hundred fifty-one
Scientific notation
6.6872751 × 10^7
Engineering notation
6.6872751 × 10^6
Prime Factorization
3 × 11 × 2026447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66872751
Product of the distinct prime numbers
The prime factorization of 66872751 is 3 × 11 × 2026447.
Since it has a total of 3 prime factors.
8 , 2 , 43 , 76 , 944 , 843 , 2159 , 1891 , 9402 , 8468 , 939295 , 816158 , 4206610 , 6102522 , 50579578 , 77132263 , 339125232 , 477556536 , 6659483053 , 7008326546
n×2
133745502
n×3
200618253
n×4
267491004
n×5
334363755
n÷2
33436375.5
n÷3
22290917
n÷3
16718187.75
n÷5
13374550.2
n2
4471964826308001
n3
2.9905259031045E+23
n4
1.9998469407736E+31
n5
1.3373526650846E+39
2 √n
8177.5761078696
3 √n
405.89751876441
4 √n
90.42995138708
5 √n
36.732445076642
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
-66872750
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 66872751 can be divided by 8 positive divisors.
The sum of these divisors (counting 66872751) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111000110010110101111
3
Ternary
11122211111011120
4
Quaternary
3333012112233
5
Quinary
114104412001
6
Senary
10345152023
8
Octal
377062657
10
Decimal
66872751
12
Duodecimal
1a48b613
16
Hexadecimal
3fc65af
20
Vigesimal
10hj1hb
36
Base36
13tbcf
md5
8ac95992c7d98b94bff73dd5dfe03dd6
sha1
6ab0e4f11fba93d4dbcf135ea9bc74b403ebc636
sha256
e34e8ffd273087f3859a8d6975ff1195fdc6491b0fa2cb85a820df000c42a204
sha512
d80c8281508abeb5e531948555df5337e8d2ae574154a8efa7ffadcd64cf37958bc4b264cbe6c6ac69bd6100ca62633216d6c4d2a595e2241b3226f085b46adc
ripemd-160
e11a9e1b1ceb2471efdc22ab6ef635800e644b9b
Diameter
133745502
Circumference
420173886.53388
Area
1.4049091845441E+16
Volume
1.2526685610084E+24
Surface area
5.6196367381765E+16
Circumference
420173886.53388
Perimeter
267491004
Area
4471964826308001
Diagonal
94572351.417399
Surface area
26831788957848006
Volume
2.9905259031045E+23
Space diagonal
115827002.3739
Perimeter
200618253
Area
1.9364175722066E+15
Altitude
57913501.186951
Surface area
1.9364175722066E+15
Volume
3.5243685756654E+22
Height
31524117.139133