16561387 is an odd 8-digits composite number following 16561386
and preceding 16561388 . In scientific notation, it is written as 1.6561387 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 16061760 positive integers (up to 16561387) that are relatively prime to 16561387.
16561387 has 8 divisors, whose sum is 17068320
The reverse of 16561387 is 78316561
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixteen million five hundred sixty-one thousand three hundred eighty-seven
Scientific notation
1.6561387 × 10^7
Engineering notation
1.6561387 × 10^6
Prime Factorization
89 × 53 × 3511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16561387
Product of the distinct prime numbers
The prime factorization of 16561387 is 89 × 53 × 3511.
Since it has a total of 3 prime factors.
10 , 8 , 54 , 91 , 908 , 831 , 2851 , 9422 , 77441 , 46147 , 972388 , 664664 , 3611655 , 5341847 , 99878872 , 99151058 , 525541960 , 913827332 , 571734875 , 329472226
n×2
33122774
n×3
49684161
n×4
66245548
n×5
82806935
n÷2
8280693.5
n÷3
5520462.3333333
n÷3
4140346.75
n÷5
3312277.4
n2
274279539363769
n3
4.5424495975851E+21
n4
7.5229265713601E+28
n5
1.2459009832088E+36
2 √n
4069.5684046346
3 √n
254.89749564584
4 √n
63.793168949619
5 √n
27.78557196452
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16561386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16561387 can be divided by 8 positive divisors.
The sum of these divisors (counting 16561387) is 1, the average is 0.125.
Base
System
Value
2
Binary
111111001011010011101011
3
Ternary
1011011101221201
4
Quaternary
333023103223
5
Quinary
13214431022
6
Senary
1350545031
8
Octal
77132353
10
Decimal
16561387
12
Duodecimal
5668177
16
Hexadecimal
fcb4eb
20
Vigesimal
53a397
36
Base36
9uyuj
md5
383e7e01dd891edbdbcbf766084180dc
sha1
a616c9023c43642931ad3188f11cc99efe9642be
sha256
7149c0d20cbe63c7077b7dd979fc4b705142cd0cbc59aeea8a9bb619e947cb45
sha512
116025640e11e96885d4ce292c360934f68b4dbfc8b9e00a1383cd4ce217cf26ae8c56ff376640ae283bc877328d69056fbd277ac22319c93a74e3cb80958db2
ripemd-160
5f177a435600e26c961dd8e5b40347297b5f2244
Diameter
33122774
Circumference
104058263.46492
Area
8.6167458589521E+14
Volume
1.90273683801E+22
Surface area
3.4466983435808E+15
Circumference
104058263.46492
Perimeter
66245548
Area
274279539363769
Diagonal
23421338.107109
Surface area
1645677236182614
Volume
4.5424495975851E+21
Space diagonal
28685163.727811
Perimeter
49684161
Area
1.1876652441366E+14
Altitude
14342581.863905
Surface area
1.1876652441366E+14
Volume
5.3533281894176E+20
Height
7807112.7023698