15993985 is an odd 8-digits composite number following 15993984
and preceding 15993986 . In scientific notation, it is written as 1.5993985 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 10612800 positive integers (up to 15993985) that are relatively prime to 15993985.
15993985 has 16 divisors, whose sum is 22643712
The reverse of 15993985 is 58939951
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
fifteen million nine hundred ninety-three thousand nine hundred eighty-five
Scientific notation
1.5993985 × 10^7
Engineering notation
1.5993985 × 10^6
Prime Factorization
5 × 7 × 31 × 14741
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15993985
Product of the distinct prime numbers
The prime factorization of 15993985 is 5 × 7 × 31 × 14741.
Since it has a total of 4 prime factors.
6 , 4 , 28 , 86 , 718 , 57 , 2889 , 7645 , 93607 , 11940 , 124236 , 346845 , 8942180 , 3906245 , 63460381 , 91316233 , 164007824 , 640935891 , 7766483898 , 1836249189
n×2
31987970
n×3
47981955
n×4
63975940
n×5
79969925
n÷2
7996992.5
n÷3
5331328.3333333
n÷3
3998496.25
n÷5
3198797
n2
255807556180225
n3
4.0913822164332E+21
n4
6.5437505798899E+28
n5
1.046606486185E+36
2 √n
3999.2480543222
3 √n
251.95262924987
4 √n
63.239608271417
5 √n
27.592518148682
1 , 5 , 7 , 31 , 35 , 155 , 217 , 1085 , 14741 , 73705 , 103187 , 456971 , 515935 , 2284855 , 3198797 , 15993985
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
-15993984
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 15993985 can be divided by 16 positive divisors.
The sum of these divisors (counting 15993985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000000110010000001
3
Ternary
1010002120121211
4
Quaternary
331000302001
5
Quinary
13043301420
6
Senary
1330450121
8
Octal
75006201
10
Decimal
15993985
12
Duodecimal
5433941
16
Hexadecimal
f40c81
20
Vigesimal
4jj4j5
36
Base36
9it1d
md5
e1eaff86980a8c993a05cf871698a2b9
sha1
d37aa48bef2d0dc07513393e6f168a5a7189054d
sha256
65920e10140d2e46f7b074d330ea26026eaf781ee414bf9cb721c1288c3818a6
sha512
9b67eed66dec9ab17ed3faea7cc7f33be08ccac0fdde2e1de9c56f95936e249407a83e90455f2330ad592f7ea993f5353b6d163d0cdd34cae6e6296d4a84d6d3
ripemd-160
86389e4f6a134fed9d7fe78187c93f09d521ae46
Diameter
31987970
Circumference
100493171.55525
Area
8.0364313922855E+14
Volume
1.7137941752233E+22
Surface area
3.2145725569142E+15
Circumference
100493171.55525
Perimeter
63975940
Area
255807556180225
Diagonal
22618910.503392
Surface area
1534845337081350
Volume
4.0913822164332E+21
Space diagonal
27702394.635495
Perimeter
47981955
Area
1.1076792106604E+14
Altitude
13851197.317747
Surface area
1.1076792106604E+14
Volume
4.8217401827766E+20
Height
7539636.8344639