16497981 is an odd 8-digits composite number following 16497980
and preceding 16497982 . In scientific notation, it is written as 1.6497981 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 10982400 positive integers (up to 16497981) that are relatively prime to 16497981.
16497981 has 8 divisors, whose sum is 18358200
The reverse of 16497981 is 18979461
Previous prime number is 1301
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixteen million four hundred ninety-seven thousand nine hundred eighty-one
Scientific notation
1.6497981 × 10^7
Engineering notation
1.6497981 × 10^6
Prime Factorization
9 × 1301 × 1409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16497981
Product of the distinct prime numbers
The prime factorization of 16497981 is 9 × 1301 × 1409.
Since it has a total of 3 prime factors.
4 , 7 , 73 , 41 , 793 , 677 , 3212 , 3812 , 16529 , 18362 , 890608 , 968901 , 425339 , 9220164 , 64419305 , 38117323 , 764441166 , 489418167 , 759113710 , 9352484047
n×2
32995962
n×3
49493943
n×4
65991924
n×5
82489905
n÷2
8248990.5
n÷3
5499327
n÷3
4124495.25
n÷5
3299596.2
n2
272183377076361
n3
4.4904761835216E+21
n4
7.4083790756693E+28
n5
1.2222329723119E+36
2 √n
4061.7706729947
3 √n
254.57178419278
4 √n
63.732022351364
5 √n
27.764263650199
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
-16497980
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 16497981 can be divided by 8 positive divisors.
The sum of these divisors (counting 16497981) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110111011110100111101
3
Ternary
1011001011222100
4
Quaternary
332323310331
5
Quinary
13210413411
6
Senary
1345335313
8
Octal
76736475
10
Decimal
16497981
12
Duodecimal
5637539
16
Hexadecimal
fbbd3d
20
Vigesimal
5324j1
36
Base36
9tlx9
md5
0b7834f41a5391fb62d0ec36d3052457
sha1
8c39e8bfcdc40c24e8935ea3d7c5e2b549e14c95
sha256
2ec357850408e9e4ceadf94f6d1aa06c3642625604831f11879a2a61f2fc29e4
sha512
130819bf9deea7da22fdb758f056e33e3260e7ea057c2963a8df7ab7cd60807eab2e1f05a2b7a845b2f421ea2f9a1f96dfbad9d913f72cfc49b5e8f1edec3c77
ripemd-160
a540f9b582305f19c88f45c18e988460068b0cea
Diameter
32995962
Circumference
103659871.81733
Area
8.5508929785236E+14
Volume
1.8809662652362E+22
Surface area
3.4203571914094E+15
Circumference
103659871.81733
Perimeter
65991924
Area
272183377076361
Diagonal
23331668.481974
Surface area
1633100262458166
Volume
4.4904761835216E+21
Space diagonal
28575341.314306
Perimeter
49493943
Area
1.1785885951798E+14
Altitude
14287670.657153
Surface area
1.1785885951798E+14
Volume
5.2920769335414E+20
Height
7777222.8273245