15493986 is an even 8-digits composite number following 15493985
and preceding 15493987 . In scientific notation, it is written as 1.5493986 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 4997880 positive integers (up to 15493986) that are relatively prime to 15493986.
15493986 has 16 divisors, whose sum is 26657280
The reverse of 15493986 is 68939451
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifteen million four hundred ninety-three thousand nine hundred eighty-six
Scientific notation
1.5493986 × 10^7
Engineering notation
1.5493986 × 10^6
Prime Factorization
2 × 9 × 31 × 27767
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15493986
Product of the distinct prime numbers
The prime factorization of 15493986 is 2 × 9 × 31 × 27767.
Since it has a total of 4 prime factors.
7 , 9 , 30 , 51 , 56 , 282 , 5558 , 7685 , 71262 , 29153 , 696820 , 777781 , 6545933 , 3700839 , 63815606 , 32143692 , 692825997 , 370545984 , 3816526057 , 2178275093
n×2
30987972
n×3
46481958
n×4
61975944
n×5
77469930
n÷2
7746993
n÷3
5164662
n÷3
3873496.5
n÷5
3098797.2
n2
240063602168196
n3
3.7195420911036E+21
n4
5.763053308597E+28
n5
8.9292667280655E+35
2 √n
3936.2400841412
3 √n
249.29929656028
4 √n
62.739461936976
5 √n
27.417801749546
1 , 2 , 9 , 18 , 31 , 62 , 279 , 558 , 27767 , 55534 , 249903 , 499806 , 860777 , 1721554 , 7746993 , 15493986
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
-15493985
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 15493986 can be divided by 16 positive divisors.
The sum of these divisors (counting 15493986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000110101101100010
3
Ternary
1002011011202100
4
Quaternary
323012231202
5
Quinary
12431301421
6
Senary
1312031230
8
Octal
73065542
10
Decimal
15493986
12
Duodecimal
5232516
16
Hexadecimal
ec6b62
20
Vigesimal
4ggej6
36
Base36
9838i
md5
e8790b6198897d7c4072ee73857b2ab9
sha1
7b2d403e54d3b84e6bb012e086536de8a2d53133
sha256
386aedc46112d9769b8d99475e514f76a85ffde7bd8b0ccbf3baafc36c3f8580
sha512
d58513a666f8fcf3b7f5bc2ea52d67ddfa38612c1b71ea90becbfab17927932ef7d12029b3726806f92e4ded57e10e383cd1c2ce73951163c130f030f84bfd7a
ripemd-160
5ae822aa35269213b374df68a07e873d6eee7d19
Diameter
30987972
Circumference
97351585.184846
Area
7.5418204896591E+14
Volume
1.5580381477505E+22
Surface area
3.0167281958636E+15
Circumference
97351585.184846
Perimeter
61975944
Area
240063602168196
Diagonal
21911805.136419
Surface area
1440381613009176
Volume
3.7195420911036E+21
Space diagonal
26836370.963761
Perimeter
46481958
Area
1.0395058900083E+14
Altitude
13418185.48188
Surface area
1.0395058900083E+14
Volume
4.3835223925469E+20
Height
7303935.045473