16388631 is an odd 8-digits composite number following 16388630
and preceding 16388632 . In scientific notation, it is written as 1.6388631 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 9364896 positive integers (up to 16388631) that are relatively prime to 16388631.
16388631 has 12 divisors, whose sum is 27054352
The reverse of 16388631 is 13688361
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixteen million three hundred eighty-eight thousand six hundred thirty-one
Scientific notation
1.6388631 × 10^7
Engineering notation
1.6388631 × 10^6
Prime Factorization
3 × 3 × 7 × 260137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5462877
Product of the distinct prime numbers
The prime factorization of 16388631 is 3 × 3 × 7 × 260137.
Since it has a total of 4 prime factors.
5 , 2 , 12 , 2 , 387 , 391 , 3493 , 9920 , 79443 , 1139 , 2907 , 177574 , 5008129 , 8546370 , 81518401 , 91524137 , 522197179 , 653506083 , 7181396401 , 8316466568
n×2
32777262
n×3
49165893
n×4
65554524
n×5
81943155
n÷2
8194315.5
n÷3
5462877
n÷3
4097157.75
n÷5
3277726.2
n2
268587226054161
n3
4.4017769391152E+21
n4
7.2139097999469E+28
n5
1.1822610577861E+36
2 √n
4048.2874156858
3 √n
254.00809592481
4 √n
63.626153550924
5 √n
27.727360909266
1 , 3 , 7 , 9 , 21 , 63 , 260137 , 780411 , 1820959 , 2341233 , 5462877 , 16388631
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16388630
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16388631 can be divided by 12 positive divisors.
The sum of these divisors (counting 16388631) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110100001001000010111
3
Ternary
1010211121222100
4
Quaternary
332201020113
5
Quinary
13143414011
6
Senary
1343133143
8
Octal
76411027
10
Decimal
16388631
12
Duodecimal
55a41b3
16
Hexadecimal
fa1217
20
Vigesimal
528bbb
36
Base36
9r9jr
md5
af8ac45171f44a02adee4b10ba64a28c
sha1
8bca66e5f265e7532227b6ebeb4598eb3002ec29
sha256
cf08bcf9ee280f71230c379a77ff36e423cfbea5627f9a985e9941059b06d93c
sha512
dd9c90cc7d846d340c2b4d4019f6d1ada88e972459e2a60b44ce69d594d7eb906c922718b50bd42b91312534af2ffad4917d573a897fda48d6bb8a637110415a
ripemd-160
a81ec95d61061bc79b029848591555144fd60631
Diameter
32777262
Circumference
102972805.50399
Area
8.4379165621981E+14
Volume
1.843812012622E+22
Surface area
3.3751666248793E+15
Circumference
102972805.50399
Perimeter
65554524
Area
268587226054161
Diagonal
23177024.228928
Surface area
1611523356324966
Volume
4.4017769391152E+21
Space diagonal
28385941.558498
Perimeter
49165893
Area
1.1630168044745E+14
Altitude
14192970.779249
Surface area
1.1630168044745E+14
Volume
5.1875438715316E+20
Height
7725674.742976