6720385 is an odd 7-digits composite number following 6720384
and preceding 6720386 . In scientific notation, it is written as 6.720385 × 10^6.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 4575168 positive integers (up to 6720385) that are relatively prime to 6720385.
6720385 has 16 divisors, whose sum is 9282816
The reverse of 6720385 is 5830276
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
six million seven hundred twenty thousand three hundred eighty-five
Scientific notation
6.720385 × 10^6
Engineering notation
6.720385 × 10^6
Prime Factorization
7 × 5 × 157 × 1223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6720385
Product of the distinct prime numbers
The prime factorization of 6720385 is 7 × 5 × 157 × 1223.
Since it has a total of 4 prime factors.
10 , 9 , 96 , 68 , 374 , 12 , 2408 , 5392 , 44932 , 41210 , 387239 , 156517 , 4047629 , 5237452 , 70023896 , 36788749 , 512119411 , 597490155 , 989002020 , 4597314579
n×2
13440770
n×3
20161155
n×4
26881540
n×5
33601925
n÷2
3360192.5
n÷3
2240128.3333333
n÷3
1680096.25
n÷5
1344077
n2
45163574548225
n3
3.0351660894027E+20
n4
2.0397484659731E+27
n5
1.3707894994498E+34
2 √n
2592.3705367867
3 √n
188.71136293785
4 √n
50.915327130313
5 √n
23.199510991673
1 , 5 , 7 , 35 , 157 , 785 , 1099 , 1223 , 5495 , 6115 , 8561 , 42805 , 192011 , 960055 , 1344077 , 6720385
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
-6720384
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 6720385 can be divided by 16 positive divisors.
The sum of these divisors (counting 6720385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11001101000101110000001
3
Ternary
110122102122011
4
Quaternary
121220232001
5
Quinary
3210023020
6
Senary
400012521
8
Octal
31505601
10
Decimal
6720385
12
Duodecimal
2301141
16
Hexadecimal
668b81
20
Vigesimal
2200j5
36
Base36
401hd
md5
bef2e1b77133a03167b333f30c16b4ba
sha1
cb972d1b0cf2b6532f6c1ab7e96688712752e2a3
sha256
76bd206f013a6ee55b628346d2b60e9202b57d4efb4c441074d1e0d08c3fbb95
sha512
76c17b6eb904de52a4ff35d51b4206d89f23db9f9e806198e33d29820cf47a99586c96e8612ecc7ac2d69292354dbea528b6b23dab29f480cfe966a27acd85f7
ripemd-160
8f7ba307d8e8f3a614b32334d01613af80af8ee5
Diameter
13440770
Circumference
42225424.29059
Area
1.4188555401056E+14
Volume
1.271367398519E+21
Surface area
5.6754221604223E+14
Circumference
42225424.29059
Perimeter
26881540
Area
45163574548225
Diagonal
9504059.6113687
Surface area
270981447289350
Volume
3.0351660894027E+20
Space diagonal
11640048.266424
Perimeter
20161155
Area
19556401442238
Altitude
5820024.1332119
Surface area
19556401442238
Volume
3.5769775397402E+19
Height
3168019.8704562