16397987 is an odd 8-digits prime number following 16397986
and preceding 16397988 . In scientific notation, it is written as 1.6397987 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 16397986 positive integers (up to 16397987) that are relatively prime to 16397987.
16397987 has 2 divisors, whose sum is 16397988
The reverse of 16397987 is 78979361
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
sixteen million three hundred ninety-seven thousand nine hundred eighty-seven
Scientific notation
1.6397987 × 10^7
Engineering notation
1.6397987 × 10^6
Prime Factorization
16397987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
16397987 Product of the distinct prime numbers
The prime factorization of 16397987 is 16397987.
Since it has a total of 1 prime factors.
3 , 10 , 13 , 88 , 485 , 158 , 415 , 4334 , 94699 , 12039 , 697415 , 982164 , 4744993 , 1598624 , 79157586 , 75776143 , 398508546 , 214525312 , 8776478576 , 7621819965
n×2
32795974
n×3
49193961
n×4
65591948
n×5
81989935
n÷2
8198993.5
n÷3
5465995.6666667
n÷3
4099496.75
n÷5
3279597.4
n2
268893977652169
n3
4.4093199499186E+21
n4
7.2303971217605E+28
n5
1.1856395800747E+36
2 √n4049.4428011765
3 √n254.05642307823
4 √n63.635232388799
5 √n27.730526005486
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
16397988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
8198994 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4049.4429246503 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998780338 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16397987 can be divided by 2 positive divisors.
The sum of these divisors (counting 16397987) is 16397988, the average is 8198994.
Base
System
Value
2
Binary
111110100011011010100011
3
Ternary
1010212002210212
4
Quaternary
332203122203
5
Quinary
13144213422
6
Senary
1343244335
8
Octal
76433243
10
Decimal
16397987
12
Duodecimal
55a96ab
16
Hexadecimal
fa36a3
20
Vigesimal
529ej7
36
Base36
9rgrn
md5
65f966e52fa7d7504e76435f606ac870
sha1
0ca5e37f0033059ae230c1a2fdc9e6ff68b2dc8f
sha256
c31856a356d161e24c9f0406eab0d02103a381aad4c8be2d6cf4e8a0ef0c8ed9
sha512
7c9d0e429fb54d73921635afdf503c4cb1959775ac06a6d040bb7c81bf2f745eddf559879539bd79e6c5207046a1fa0bf712ce18e342c6bec9140bbe495f649d
ripemd-160
f57967bc9b1d69cb96cdecb5ba96f8f9dedfb7ba
Diameter
32795974
Circumference
103031590.98572
Area
8.4475534478659E+14
Volume
1.8469716215988E+22
Surface area
3.3790213791464E+15
Circumference
103031590.98572
Perimeter
65591948
Area
268893977652169
Diagonal
23190255.611018
Surface area
1613363865913014
Volume
4.4093199499186E+21
Space diagonal
28402146.625854
Perimeter
49193961
Area
1.1643450778571E+14
Altitude
14201073.312927
Surface area
1.1643450778571E+14
Volume
5.1964333950142E+20
Height
7730085.2036726