16401721 is an odd 8-digits composite number following 16401720
and preceding 16401722 . In scientific notation, it is written as 1.6401721 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 13896960 positive integers (up to 16401721) that are relatively prime to 16401721.
16401721 has 12 divisors, whose sum is 19299060
The reverse of 16401721 is 12710461
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
sixteen million four hundred one thousand seven hundred twenty-one
Scientific notation
1.6401721 × 10^7
Engineering notation
1.6401721 × 10^6
Prime Factorization
7 × 7 × 89 × 3761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2343103
Product of the distinct prime numbers
The prime factorization of 16401721 is 7 × 7 × 89 × 3761.
Since it has a total of 4 prime factors.
9 , 5 , 35 , 49 , 201 , 396 , 1237 , 6320 , 83173 , 64277 , 59642 , 231122 , 4226355 , 1860655 , 6034221 , 68259499 , 946487397 , 921049631 , 7246588428 , 8306951768
n×2
32803442
n×3
49205163
n×4
65606884
n×5
82008605
n÷2
8200860.5
n÷3
5467240.3333333
n÷3
4100430.25
n÷5
3280344.2
n2
269016451761841
n3
4.4123327862077E+21
n4
7.2369851318531E+28
n5
1.186990110138E+36
2 √n
4049.9038260186
3 √n
254.07570541833
4 √n
63.638854688143
5 √n
27.73178879895
1 , 7 , 49 , 89 , 623 , 3761 , 4361 , 26327 , 184289 , 334729 , 2343103 , 16401721
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
-16401720
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 16401721 can be divided by 12 positive divisors.
The sum of these divisors (counting 16401721) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110100100010100111001
3
Ternary
1010212021221011
4
Quaternary
332210110321
5
Quinary
13144323341
6
Senary
1343313521
8
Octal
76442471
10
Decimal
16401721
12
Duodecimal
55ab8a1
16
Hexadecimal
fa4539
20
Vigesimal
52a461
36
Base36
9rjnd
md5
751ee419cbfddc30c539269baaf03029
sha1
0fbfa41efd7c73dad5f0d1d18b7f1d64b37eb922
sha256
9d09531bdc091c82ef328f404008d16d8a40a6740480ab58743edbd4db0f5c34
sha512
8c5165d58280fa9d37b79cb620efa308a7856a7823a54ff6fb77895379e33b0a4374f3eb48c9d19a080dd1622b3eb38d367698db18ff3d415e3805cd5d998022
ripemd-160
94ef3f968325a5ae30fd3a920b13e957adcc09f8
Diameter
32803442
Circumference
103055052.39966
Area
8.4514010854979E+14
Volume
1.8482336355125E+22
Surface area
3.3805604341992E+15
Circumference
103055052.39966
Perimeter
65606884
Area
269016451761841
Diagonal
23195536.28446
Surface area
1614098710571046
Volume
4.4123327862077E+21
Space diagonal
28408614.103569
Perimeter
49205163
Area
1.1648754063085E+14
Altitude
14204307.051785
Surface area
1.1648754063085E+14
Volume
5.199984056632E+20
Height
7731845.4281532