16408721 is an odd 8-digits composite number following 16408720
and preceding 16408722 . In scientific notation, it is written as 1.6408721 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 13716864 positive integers (up to 16408721) that are relatively prime to 16408721.
16408721 has 16 divisors, whose sum is 19223424
The reverse of 16408721 is 12780461
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
sixteen million four hundred eight thousand seven hundred twenty-one
Scientific notation
1.6408721 × 10^7
Engineering notation
1.6408721 × 10^6
Prime Factorization
7 × 197 × 73 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16408721
Product of the distinct prime numbers
The prime factorization of 16408721 is 7 × 197 × 73 × 163.
Since it has a total of 4 prime factors.
6 , 7 , 14 , 78 , 95 , 653 , 8977 , 4958 , 96736 , 46743 , 232927 , 83994 , 16564 , 4435296 , 36976425 , 76272890 , 685067545 , 561334720 , 2526845026 , 8516231881
n×2
32817442
n×3
49226163
n×4
65634884
n×5
82043605
n÷2
8204360.5
n÷3
5469573.6666667
n÷3
4102180.25
n÷5
3281744.2
n2
269246124855841
n3
4.4179845430907E+21
n4
7.2493475749887E+28
n5
1.1895252179002E+36
2 √n
4050.7679518827
3 √n
254.11184546692
4 √n
63.645643620618
5 √n
27.73415549438
1 , 7 , 73 , 163 , 197 , 511 , 1141 , 1379 , 11899 , 14381 , 32111 , 83293 , 100667 , 224777 , 2344103 , 16408721
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
-16408720
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 16408721 can be divided by 16 positive divisors.
The sum of these divisors (counting 16408721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110100110000010010001
3
Ternary
1010212122112102
4
Quaternary
332212002101
5
Quinary
13200034341
6
Senary
1343410145
8
Octal
76460221
10
Decimal
16408721
12
Duodecimal
55b3955
16
Hexadecimal
fa6091
20
Vigesimal
52b1g1
36
Base36
9rp1t
md5
b513bbd9a8b024ffdb0bf064f4b4a729
sha1
ec9093a38f492e866c604fd08ebed03239370c02
sha256
aed8f2b6e0b7a1edb31108dcdda7d1a5a102c7d721c4688c564ad772cf51bf5d
sha512
829be5d3e38b8a41b8b6ba746ac6c467607b58f8125961ee77e81971a86bbc80968290f4a4e15746c0fd0f48a69200a63406d176811f84624f704f8fe2a71ddc
ripemd-160
2652e0bd2eeca98cdccd5a34d11176d1cc855a8e
Diameter
32817442
Circumference
103099034.69681
Area
8.4586164785463E+14
Volume
1.8506010378996E+22
Surface area
3.3834465914185E+15
Circumference
103099034.69681
Perimeter
65634884
Area
269246124855841
Diagonal
23205435.779396
Surface area
1615476749135046
Volume
4.4179845430907E+21
Space diagonal
28420738.459222
Perimeter
49226163
Area
1.1658699199784E+14
Altitude
14210369.229611
Surface area
1.1658699199784E+14
Volume
5.2066447159946E+20
Height
7735145.2597987