16491985 is an odd 8-digits composite number following 16491984
and preceding 16491986 . In scientific notation, it is written as 1.6491985 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 13175040 positive integers (up to 16491985) that are relatively prime to 16491985.
16491985 has 8 divisors, whose sum is 19818216
The reverse of 16491985 is 58919461
Previous prime number is 877
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixteen million four hundred ninety-one thousand nine hundred eighty-five
Scientific notation
1.6491985 × 10^7
Engineering notation
1.6491985 × 10^6
Prime Factorization
5 × 877 × 3761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16491985
Product of the distinct prime numbers
The prime factorization of 16491985 is 5 × 877 × 3761.
Since it has a total of 3 prime factors.
3 , 10 , 35 , 56 , 537 , 782 , 4497 , 2313 , 4719 , 38416 , 981617 , 425566 , 1903266 , 5424261 , 15465227 , 21737168 , 483892720 , 134885452 , 2917339398 , 4819496182
n×2
32983970
n×3
49475955
n×4
65967940
n×5
82459925
n÷2
8245992.5
n÷3
5497328.3333333
n÷3
4122996.25
n÷5
3298397
n2
271985569240225
n3
4.4855819281263E+21
n4
7.3976149874929E+28
n5
1.2200135540951E+36
2 √n
4061.0325041792
3 √n
254.54094006758
4 √n
63.726230895756
5 √n
27.762245236777
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
-16491984
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 16491985 can be divided by 8 positive divisors.
The sum of these divisors (counting 16491985) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110111010010111010001
3
Ternary
1011000212202021
4
Quaternary
332322113101
5
Quinary
13210220420
6
Senary
1345251441
8
Octal
76722721
10
Decimal
16491985
12
Duodecimal
5633b81
16
Hexadecimal
fba5d1
20
Vigesimal
5319j5
36
Base36
9thap
md5
e1a7454dc9147b6020a717f3d2dc362d
sha1
5c0bd8683e7d8023e4b5c7f8e00831c59cfb828f
sha256
213fce44e595ceb7c709c801e4b5f0c1a37fb2da4b50413ffa3041897a3ec409
sha512
3a41750351836450b694159cef5fbe78fa8ad9a08317fc88ad63aa56f69e23e141a382a5007c1a4b5cbac4b91b2093a0b39f9e4353eab2aea3172bee6477c7c3
ripemd-160
beff60d34e57ac61cbdd670790c99aac861ac32b
Diameter
32983970
Circumference
103622197.83823
Area
8.5446786620753E+14
Volume
1.8789161643302E+22
Surface area
3.4178714648301E+15
Circumference
103622197.83823
Perimeter
65967940
Area
271985569240225
Diagonal
23323188.857454
Surface area
1631913415441350
Volume
4.4855819281263E+21
Space diagonal
28564955.937664
Perimeter
49475955
Area
1.177732062124E+14
Altitude
14282477.968832
Surface area
1.177732062124E+14
Volume
5.2863089982432E+20
Height
7774396.2858179