16393987 is an odd 8-digits prime number following 16393986
and preceding 16393988 . In scientific notation, it is written as 1.6393987 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 16393986 positive integers (up to 16393987) that are relatively prime to 16393987.
16393987 has 2 divisors, whose sum is 16393988
The reverse of 16393987 is 78939361
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
sixteen million three hundred ninety-three thousand nine hundred eighty-seven
Scientific notation
1.6393987 × 10^7
Engineering notation
1.6393987 × 10^6
Prime Factorization
16393987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
16393987 Product of the distinct prime numbers
The prime factorization of 16393987 is 16393987.
Since it has a total of 1 prime factors.
9 , 2 , 9 , 11 , 324 , 103 , 2198 , 5470 , 64028 , 62221 , 820351 , 977132 , 7564782 , 3631840 , 22054051 , 95818275 , 435407427 , 951703607 , 2372931232 , 7338577773
n×2
32787974
n×3
49181961
n×4
65575948
n×5
81969935
n÷2
8196993.5
n÷3
5464662.3333333
n÷3
4098496.75
n÷5
3278797.4
n2
268762809756169
n3
4.4060940092261E+21
n4
7.2233447908031E+28
n5
1.1841942059694E+36
2 √n4048.948875943
3 √n254.03576386899
4 √n63.63135136034
5 √n27.72917299882
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
16393988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
8196994 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4048.9489994318 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998780041 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16393987 can be divided by 2 positive divisors.
The sum of these divisors (counting 16393987) is 16393988, the average is 8196994.
Base
System
Value
2
Binary
111110100010011100000011
3
Ternary
1010211220022201
4
Quaternary
332202130003
5
Quinary
13144101422
6
Senary
1343214031
8
Octal
76423403
10
Decimal
16393987
12
Duodecimal
55a7317
16
Hexadecimal
fa2703
20
Vigesimal
5294j7
36
Base36
9rdoj
md5
fa2a8e6ff043adbfbdf9167d8e9bd46b
sha1
10667a471119254af97b95875c1562d9f2ebdb93
sha256
2e406de882ea943f47d0c64d7ddae46dbcdcbeb0e051d5f2ae99c2bbe8baeb5c
sha512
76d0a6c1a1a0ce6996f7f0f1c9d879874516525890e902b8269fe7fb95df49e4b19bbf9e0d4ea60dc4ca75106fcb5794fd89c6949ad21cf17036468818ea7172
ripemd-160
48e81dffbaab5ddd7a2e755eddbabf4847e1bb69
Diameter
32787974
Circumference
103006458.24449
Area
8.4434326868813E+14
Volume
1.8456203427214E+22
Surface area
3.3773730747525E+15
Circumference
103006458.24449
Perimeter
65575948
Area
268762809756169
Diagonal
23184598.756768
Surface area
1612576858537014
Volume
4.4060940092261E+21
Space diagonal
28395218.422624
Perimeter
49181961
Area
1.1637771042066E+14
Altitude
14197609.211312
Surface area
1.1637771042066E+14
Volume
5.1926315874487E+20
Height
7728199.5855894