6642729 is an odd 7-digits composite number following 6642728
and preceding 6642730 . In scientific notation, it is written as 6.642729 × 10^6.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 4428432 positive integers (up to 6642729) that are relatively prime to 6642729.
6642729 has 4 divisors, whose sum is 6724820
The reverse of 6642729 is 9272466
Previous prime number is 81
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9
Name
six million six hundred forty-two thousand seven hundred twenty-nine
Scientific notation
6.642729 × 10^6
Engineering notation
6.642729 × 10^6
Prime Factorization
81 × 82009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
6642729
Product of the distinct prime numbers
The prime factorization of 6642729 is 81 × 82009.
Since it has a total of 2 prime factors.
6 , 8 , 72 , 54 , 241 , 385 , 7786 , 9894 , 30207 , 42870 , 115153 , 972644 , 201586 , 5039208 , 38649365 , 2536444 , 936398576 , 874512061 , 7772172334 , 3142826873
n×2
13285458
n×3
19928187
n×4
26570916
n×5
33213645
n÷2
3321364.5
n÷3
2214243
n÷3
1660682.25
n÷5
1328545.8
n2
44125848567441
n3
2.9311605392855E+20
n4
1.9470905117967E+27
n5
1.2933994608337E+34
2 √n
2577.3492196441
3 √n
187.98167355687
4 √n
50.767600097346
5 √n
23.145646025671
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
-6642728
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 6642729 can be divided by 4 positive divisors.
The sum of these divisors (counting 6642729) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001010101110000101001
3
Ternary
110111111010000
4
Quaternary
121111300221
5
Quinary
3200031404
6
Senary
354213213
8
Octal
31256051
10
Decimal
6642729
12
Duodecimal
2284209
16
Hexadecimal
655c29
20
Vigesimal
21a6g9
36
Base36
3ydk9
md5
ff254eb8b2481fa00ff0755a38669b1d
sha1
b7b1d8a10ccb979d70f4487d09dfad6492493640
sha256
85ef4c68b8bb2bc2b820a966b6c7d8b6a3635244d0298f873bef32c7f3c9ca02
sha512
660785418471250f6a703d03ba9c35ddc30645bc7ad201e3be5305b5449d78bef96d6f6fc40b0f206d96092da526ae458c7b97007b48cb5610c9d8dfb3d62135
ripemd-160
74a46a91d44c2444490143b3cbc29faa0c0588fe
Diameter
13285458
Circumference
41737497.252376
Area
1.3862544169289E+14
Volume
1.2278016555615E+21
Surface area
5.5450176677155E+14
Circumference
41737497.252376
Perimeter
26570916
Area
44125848567441
Diagonal
9394237.4429691
Surface area
264755091404646
Volume
2.9311605392855E+20
Space diagonal
11505544.128911
Perimeter
19928187
Area
19107052911475
Altitude
5752772.0644556
Surface area
19107052911475
Volume
3.4544058234586E+19
Height
3131412.4809897