66872261 is an odd 8-digits composite number following 66872260
and preceding 66872262 . In scientific notation, it is written as 6.6872261 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 66669900 positive integers (up to 66872261) that are relatively prime to 66872261.
66872261 has 4 divisors, whose sum is 67074624
The reverse of 66872261 is 16227866
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-six million eight hundred seventy-two thousand two hundred sixty-one
Scientific notation
6.6872261 × 10^7
Engineering notation
6.6872261 × 10^6
Prime Factorization
331 × 202031
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66872261
Product of the distinct prime numbers
The prime factorization of 66872261 is 331 × 202031.
Since it has a total of 2 prime factors.
8 , 6 , 8 , 95 , 712 , 264 , 5665 , 7323 , 97379 , 2002 , 669819 , 678860 , 448381 , 4206049 , 97679992 , 86790485 , 411028060 , 152415341 , 6841779009 , 6552392104
n×2
133744522
n×3
200616783
n×4
267489044
n×5
334361305
n÷2
33436130.5
n÷3
22290753.666667
n÷3
16718065.25
n÷5
13374452.2
n2
4471899291252121
n3
2.9904601657033E+23
n4
1.9997883271101E+31
n5
1.3373036695526E+39
2 √n
8177.5461478368
3 √n
405.89652737769
4 √n
90.429785733666
5 √n
36.732391246193
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
-66872260
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 66872261 can be divided by 4 positive divisors.
The sum of these divisors (counting 66872261) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111000110001111000101
3
Ternary
11122211110111102
4
Quaternary
3333012033011
5
Quinary
114104403021
6
Senary
10345145445
8
Octal
377061705
10
Decimal
66872261
12
Duodecimal
1a48b285
16
Hexadecimal
3fc63c5
20
Vigesimal
10hj0d1
36
Base36
13tayt
md5
a4fa8939ebeb5f990b6585c13f677294
sha1
7e477f183a608b3386b65c9ac64e6fc71b657a01
sha256
d2498a1e4c43ba15c0f6939e7fc7838175fb735030a4d1cf23fab8e0dc3dca96
sha512
4bf6b802c7b156dd1bcfe40df45affbd953cf47e18650e9bdc52c14c9d80857793f0f91119d3f1704831399241c9dd35578fd83b9cc103a28f06f2f68066f6af
ripemd-160
3fcd03458282d19c17dd757d007b8ac7fe4d4ac8
Diameter
133744522
Circumference
420170807.77308
Area
1.4048885960991E+16
Volume
1.2526410249902E+24
Surface area
5.6195543843964E+16
Circumference
420170807.77308
Perimeter
267489044
Area
4471899291252121
Diagonal
94571658.452753
Surface area
26831395747512726
Volume
2.9904601657033E+23
Space diagonal
115826153.66901
Perimeter
200616783
Area
1.936389194695E+15
Altitude
57913076.834503
Surface area
1.936389194695E+15
Volume
3.524291103395E+22
Height
31523886.150918