15663990 is an even 8-digits composite number following 15663989
and preceding 15663991 . In scientific notation, it is written as 1.5663990 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 4042080 positive integers (up to 15663990) that are relatively prime to 15663990.
15663990 has 32 divisors, whose sum is 38808576
The reverse of 15663990 is 09936651
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
fifteen million six hundred sixty-three thousand nine hundred ninety
Scientific notation
1.5663990 × 10^7
Engineering notation
1.5663990 × 10^6
Prime Factorization
2 × 5 × 3 × 31 × 16843
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15663990
Product of the distinct prime numbers
The prime factorization of 15663990 is 2 × 5 × 3 × 31 × 16843.
Since it has a total of 5 prime factors.
9 , 10 , 3 , 32 , 65 , 207 , 2674 , 9812 , 57010 , 24876 , 880893 , 862222 , 2245726 , 7549332 , 397899 , 31207595 , 89250232 , 642071554 , 4469316454 , 3097941481
n×2
31327980
n×3
46991970
n×4
62655960
n×5
78319950
n÷2
7831995
n÷3
5221330
n÷3
3915997.5
n÷5
3132798
n2
245360582720100
n3
3.8433257141218E+21
n4
6.0201815552747E+28
n5
9.4300063680007E+35
2 √n
3957.7758905729
3 √n
250.20777393879
4 √n
62.910856698768
5 √n
27.477706442207
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 31 , 62 , 93 , 155 , 186 , 310 , 465 , 930 , 16843 , 33686 , 50529 , 84215 , 101058 , 168430 , 252645 , 505290 , 522133 , 1044266 , 1566399 , 2610665 , 3132798 , 5221330 , 7831995 , 15663990
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15663989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15663990 can be divided by 32 positive divisors.
The sum of these divisors (counting 15663990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111011110000001101110110
3
Ternary
1002110210221210
4
Quaternary
323300031312
5
Quinary
13002221430
6
Senary
1315422250
8
Octal
73601566
10
Decimal
15663990
12
Duodecimal
52b4986
16
Hexadecimal
ef0376
20
Vigesimal
4hhjja
36
Base36
9bqeu
md5
2225ce02cbf6bf8866a78cf8f2b594e4
sha1
f7b56daa9439388415f07fa063c8689086ebacc1
sha256
b37ba3dffbc5a08362a2c366644795270b4821bc404e9a688b6586eb7cb3ced2
sha512
48ee68b9b8d86b69a57c89b32dc0ae20351900964f44dc92349d98fc950b983fab0eb481a68c05cf4b1a04c3f19342e53bbcf510f7d641d52e6871d5947b025f
ripemd-160
9813ef0c7f6b6d2d9350a191820ee2b0fb8b258b
Diameter
31327980
Circumference
98419751.819808
Area
7.7082300415398E+14
Volume
1.6098885105117E+22
Surface area
3.0832920166159E+15
Circumference
98419751.819808
Perimeter
62655960
Area
245360582720100
Diagonal
22152227.098877
Surface area
1472163496320600
Volume
3.8433257141218E+21
Space diagonal
27130826.529251
Perimeter
46991970
Area
1.0624424886148E+14
Altitude
13565413.264625
Surface area
1.0624424886148E+14
Volume
4.5294027912736E+20
Height
7384075.6996255