66872913 is an odd 8-digits composite number following 66872912
and preceding 66872914 . In scientific notation, it is written as 6.6872913 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 42154560 positive integers (up to 66872913) that are relatively prime to 66872913.
66872913 has 16 divisors, whose sum is 94036800
The reverse of 66872913 is 31927866
Previous prime number is 1429
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 nine hundred thirteen
Scientific notation
6.6872913 × 10^7
Engineering notation
6.6872913 × 10^6
Prime Factorization
3 × 19 × 1429 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66872913
Product of the distinct prime numbers
The prime factorization of 66872913 is 3 × 19 × 1429 × 821.
Since it has a total of 4 prime factors.
8 , 4 , 67 , 75 , 693 , 489 , 5146 , 2759 , 94202 , 94736 , 286898 , 886163 , 1909452 , 233288 , 2671019 , 39808332 , 467269236 , 529767125 , 5025377103 , 2064939150
n×2
133745826
n×3
200618739
n×4
267491652
n×5
334364565
n÷2
33436456.5
n÷3
22290971
n÷3
16718228.25
n÷5
13374582.6
n2
4471986493105569
n3
2.9905476369062E+23
n4
1.9998663194519E+31
n5
1.3373688639233E+39
2 √n
8177.5860129992
3 √n
405.89784652793
4 √n
90.430006153927
5 √n
36.732462873578
1 , 3 , 19 , 57 , 821 , 1429 , 2463 , 4287 , 15599 , 27151 , 46797 , 81453 , 1173209 , 3519627 , 22290971 , 66872913
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66872912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66872913 can be divided by 16 positive divisors.
The sum of these divisors (counting 66872913) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111000110011001010001
3
Ternary
11122211111101120
4
Quaternary
3333012121101
5
Quinary
114104413123
6
Senary
10345152453
8
Octal
377063121
10
Decimal
66872913
12
Duodecimal
1a48b729
16
Hexadecimal
3fc6651
20
Vigesimal
10hj25d
36
Base36
13tbgx
md5
7795d04f686cc5276367fbe212062048
sha1
f206244da507e265e0c0455fbbe9419271065e29
sha256
90f8486961c8b0a6e1d95c1e11481a9cd07c79fb1b0f26390b72614505c11dcb
sha512
acdc0cfebae1a457b87a199ac005ca4e8ec462039c9b46c5ef1a640ebe2eb25127060937460d0f02f662331e5bdd8d4604271f7040e1204227a9dfdc8c26385a
ripemd-160
f535018ecee289b16f9cc863235e0c8e10d3beb4
Diameter
133745826
Circumference
420174904.4099
Area
1.4049159913693E+16
Volume
1.252677664842E+24
Surface area
5.6196639654773E+16
Circumference
420174904.4099
Perimeter
267491652
Area
4471986493105569
Diagonal
94572580.519996
Surface area
26831918958633414
Volume
2.9905476369062E+23
Space diagonal
115827282.96613
Perimeter
200618739
Area
1.9364269542052E+15
Altitude
57913641.483067
Surface area
1.9364269542052E+15
Volume
3.5243941891963E+22
Height
31524193.506665