16391391 is an odd 8-digits composite number following 16391390
and preceding 16391392 . In scientific notation, it is written as 1.6391391 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 10580000 positive integers (up to 16391391) that are relatively prime to 16391391.
16391391 has 16 divisors, whose sum is 22560768
The reverse of 16391391 is 19319361
Previous prime number is 1151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixteen million three hundred ninety-one thousand three hundred ninety-one
Scientific notation
1.6391391 × 10^7
Engineering notation
1.6391391 × 10^6
Prime Factorization
3 × 47 × 1151 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16391391
Product of the distinct prime numbers
The prime factorization of 16391391 is 3 × 47 × 1151 × 101.
Since it has a total of 4 prime factors.
5 , 4 , 87 , 7 , 782 , 624 , 3226 , 6117 , 9240 , 80503 , 738468 , 127955 , 1635508 , 5133943 , 33661306 , 11711921 , 492363307 , 264627018 , 6766394616 , 7665199928
n×2
32782782
n×3
49174173
n×4
65565564
n×5
81956955
n÷2
8195695.5
n÷3
5463797
n÷3
4097847.75
n÷5
3278278.2
n2
268677698914881
n3
4.4040012158941E+21
n4
7.2187705894195E+28
n5
1.1832569127048E+36
2 √n
4048.6282862224
3 √n
254.02235424395
4 √n
63.628832192823
5 √n
27.728294756169
1 , 3 , 47 , 101 , 141 , 303 , 1151 , 3453 , 4747 , 14241 , 54097 , 116251 , 162291 , 348753 , 5463797 , 16391391
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
-16391390
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 16391391 can be divided by 16 positive divisors.
The sum of these divisors (counting 16391391) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100001110011011111
3
Ternary
1010211202202120
4
Quaternary
332201303133
5
Quinary
13144011031
6
Senary
1343154023
8
Octal
76416337
10
Decimal
16391391
12
Duodecimal
55a5913
16
Hexadecimal
fa1cdf
20
Vigesimal
528i9b
36
Base36
9rbof
md5
67ee2769f2e759c5b136dd2e57b63b27
sha1
2bce710c836cf7483d1054c947135e3746f915dd
sha256
d4ca53f9316f5a5d5e9e03c1f303fb712b01518c2b4dc74cc6776a720b8ce997
sha512
b9fa6d2653af8ef4628f635256ed5753b6969422eaca71c201b72c1d5fff3282b110b906c261d17c3fdd511843856e96a9d79a32b28411298396c452f291dc59
ripemd-160
465514c5e5e63180f87938c723c64a6a5da53d17
Diameter
32782782
Circumference
102990147.09544
Area
8.440758850944E+14
Volume
1.8447437155005E+22
Surface area
3.3763035403776E+15
Circumference
102990147.09544
Perimeter
65565564
Area
268677698914881
Diagonal
23180927.45836
Surface area
1612066193489286
Volume
4.4040012158941E+21
Space diagonal
28390722.018727
Perimeter
49174173
Area
1.1634085634532E+14
Altitude
14195361.009364
Surface area
1.1634085634532E+14
Volume
5.1901652068542E+20
Height
7726975.8194534