16491387 is an odd 8-digits composite number following 16491386
and preceding 16491388 . In scientific notation, it is written as 1.6491387 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 9994760 positive integers (up to 16491387) that are relatively prime to 16491387.
16491387 has 8 divisors, whose sum is 23987520
The reverse of 16491387 is 78319461
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixteen million four hundred ninety-one thousand three hundred eighty-seven
Scientific notation
1.6491387 × 10^7
Engineering notation
1.6491387 × 10^6
Prime Factorization
3 × 11 × 499739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16491387
Product of the distinct prime numbers
The prime factorization of 16491387 is 3 × 11 × 499739.
Since it has a total of 3 prime factors.
9 , 5 , 9 , 45 , 149 , 660 , 8371 , 5982 , 96141 , 10622 , 190681 , 888377 , 4773135 , 1710101 , 88503355 , 66545753 , 649290465 , 912726281 , 4133138164 , 747827178
n×2
32982774
n×3
49474161
n×4
65965548
n×5
82456935
n÷2
8245693.5
n÷3
5497129
n÷3
4122846.75
n÷5
3298277.4
n2
271965845183769
n3
4.4850940037076E+21
n4
7.3965420946522E+28
n5
1.219792381447E+36
2 √n
4060.9588769156
3 √n
254.53786347569
4 √n
63.725653209015
5 √n
27.762043901844
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
-16491386
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 16491387 can be divided by 8 positive divisors.
The sum of these divisors (counting 16491387) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110111010001101111011
3
Ternary
1011000211221010
4
Quaternary
332322031323
5
Quinary
13210211022
6
Senary
1345245003
8
Octal
76721573
10
Decimal
16491387
12
Duodecimal
5633763
16
Hexadecimal
fba37b
20
Vigesimal
531897
36
Base36
9tgu3
md5
dd58aea1883efa101ca292eb9d512593
sha1
57e595e8a0a3a020c50fd95dd02dce9b20203a54
sha256
8fbc09f5146d4d1e9436f5ba38b78f1e6c0978f62be00d30fb8976c24986b02f
sha512
6c075a290066c125d642f004df616a1c504e5a48f770c51b35b9e9e0f6af1e332dcafd1dcf25f2d3d30eb22b6e742f2f8e052b16b928df5b9e6b3c00adc264e5
ripemd-160
f1e64d1df12fa04b0a2d6dd8712a6ac11c18c435
Diameter
32982774
Circumference
103618440.49341
Area
8.5440590125667E+14
Volume
1.8787117830277E+22
Surface area
3.4176236050267E+15
Circumference
103618440.49341
Perimeter
65965548
Area
271965845183769
Diagonal
23322343.157743
Surface area
1631795071102614
Volume
4.4850940037076E+21
Space diagonal
28563920.171281
Perimeter
49474161
Area
1.1776466544542E+14
Altitude
14281960.08564
Surface area
1.1776466544542E+14
Volume
5.2857339738013E+20
Height
7774114.3859145