66221491 is an odd 8-digits composite number following 66221490
and preceding 66221492 . In scientific notation, it is written as 6.6221491 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 56761236 positive integers (up to 66221491) that are relatively prime to 66221491.
66221491 has 6 divisors, whose sum is 77033220
The reverse of 66221491 is 19412266
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-six million two hundred twenty-one thousand four hundred ninety-one
Scientific notation
6.6221491 × 10^7
Engineering notation
6.6221491 × 10^6
Prime Factorization
7 × 7 × 1351459
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9460213
Product of the distinct prime numbers
The prime factorization of 66221491 is 7 × 7 × 1351459.
Since it has a total of 3 prime factors.
2 , 5 , 22 , 61 , 916 , 73 , 4307 , 1646 , 77529 , 39588 , 483193 , 143454 , 2691796 , 8682066 , 5277324 , 29435345 , 616599361 , 720589920 , 4276034719 , 7568685695
n×2
132442982
n×3
198664473
n×4
264885964
n×5
331107455
n÷2
33110745.5
n÷3
22073830.333333
n÷3
16555372.75
n÷5
13244298.2
n2
4385285870263081
n3
2.9040016879005E+23
n4
1.9230732163929E+31
n5
1.273487756917E+39
2 √n
8137.6588156545
3 √n
404.57556714406
4 √n
90.208973032922
5 √n
36.660618779305
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66221490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66221491 can be divided by 6 positive divisors.
The sum of these divisors (counting 66221491) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
11111100100111010110110011
3
Ternary
11121121101210211
4
Quaternary
3330213112303
5
Quinary
113423041431
6
Senary
10323204551
8
Octal
374472663
10
Decimal
66221491
12
Duodecimal
1a216757
16
Hexadecimal
3f275b3
20
Vigesimal
10dhdeb
36
Base36
13fctv
md5
b9994a60947ffbb14924450bfe8ae08d
sha1
754e0fafc86e783103c2210b97cb4417fad7bd8e
sha256
325e88522981e559ee33fb9b763821614edf89ad11343a9082c28649f56a4fd6
sha512
fc6347c538d13bc4318a835067d738b7d5bb0de87153453b40696d8befa5cd3c17d86125a0fa508bc2ea4348dc64f2d4704afad7c7979b0e9bbfb5eeea646fc2
ripemd-160
3b6223314e6cac5eafe22d32806ea4e2a21f7d8d
Diameter
132442982
Circumference
416081899.27073
Area
1.377678187391E+16
Volume
1.2164253824961E+24
Surface area
5.5107127495638E+16
Circumference
416081899.27073
Perimeter
264885964
Area
4385285870263081
Diagonal
93651330.692768
Surface area
26311715221578486
Volume
2.9040016879005E+23
Space diagonal
114698986.96497
Perimeter
198664473
Area
1.8988844832524E+15
Altitude
57349493.482483
Surface area
1.8988844832524E+15
Volume
3.4223988101528E+22
Height
31217110.230923