15663989 is an odd 8-digits composite number following 15663988
and preceding 15663990 . In scientific notation, it is written as 1.5663989 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 13464000 positive integers (up to 15663989) that are relatively prime to 15663989.
15663989 has 16 divisors, whose sum is 18036864
The reverse of 15663989 is 98936651
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
fifteen million six hundred sixty-three thousand nine hundred eighty-nine
Scientific notation
1.5663989 × 10^7
Engineering notation
1.5663989 × 10^6
Prime Factorization
11 × 23 × 101 × 613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15663989
Product of the distinct prime numbers
The prime factorization of 15663989 is 11 × 23 × 101 × 613.
Since it has a total of 4 prime factors.
5 , 9 , 76 , 43 , 975 , 289 , 4589 , 328 , 74560 , 42973 , 990867 , 684473 , 9309064 , 1327750 , 71636286 , 55598669 , 765659791 , 576870850 , 1149842408 , 6664854245
n×2
31327978
n×3
46991967
n×4
62655956
n×5
78319945
n÷2
7831994.5
n÷3
5221329.6666667
n÷3
3915997.25
n÷5
3132797.8
n2
245360551392121
n3
3.8433249780401E+21
n4
6.0201800179446E+28
n5
9.4300033579103E+35
2 √n
3957.7757642393
3 √n
250.20776861431
4 √n
62.910855694699
5 √n
27.477706091367
1 , 11 , 23 , 101 , 253 , 613 , 1111 , 2323 , 6743 , 14099 , 25553 , 61913 , 155089 , 681043 , 1423999 , 15663989
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
-15663988
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 15663989 can be divided by 16 positive divisors.
The sum of these divisors (counting 15663989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011110000001101110101
3
Ternary
1002110210221202
4
Quaternary
323300031311
5
Quinary
13002221424
6
Senary
1315422245
8
Octal
73601565
10
Decimal
15663989
12
Duodecimal
52b4985
16
Hexadecimal
ef0375
20
Vigesimal
4hhjj9
36
Base36
9bqet
md5
1a7a88c6f0b19590bc7183970cd09341
sha1
5b62b563600d9312e35542e09f03c9e387c63d78
sha256
07a55be72b5268ef217902a4838c365a3b40af7b85b64521734a4d8612ca956b
sha512
f7aab0bdf1a586e4cfd71866bc89e3eeee9b4bddd363306220da2d9b3ded173a69202c43b6b73943d2318898301f50a526229f88248a2fef7128681486fd2630
ripemd-160
b80ae77bd62eab74c1035d85f43703c9418bc367
Diameter
31327978
Circumference
98419745.536623
Area
7.7082290573423E+14
Volume
1.6098882021825E+22
Surface area
3.0832916229369E+15
Circumference
98419745.536623
Perimeter
62655956
Area
245360551392121
Diagonal
22152225.684663
Surface area
1472163308352726
Volume
3.8433249780401E+21
Space diagonal
27130824.7972
Perimeter
46991967
Area
1.0624423529607E+14
Altitude
13565412.3986
Surface area
1.0624423529607E+14
Volume
4.529401923793E+20
Height
7384075.228221