15221661 is an odd 8-digits composite number following 15221660
and preceding 15221662 . In scientific notation, it is written as 1.5221661 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 8027136 positive integers (up to 15221661) that are relatively prime to 15221661.
15221661 has 4 divisors, whose sum is 15229500
The reverse of 15221661 is 16612251
Previous prime number is 3549
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
fifteen million two hundred twenty-one thousand six hundred sixty-one
Scientific notation
1.5221661 × 10^7
Engineering notation
1.5221661 × 10^6
Prime Factorization
3549 × 4289
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15221661
Product of the distinct prime numbers
The prime factorization of 15221661 is 3549 × 4289.
Since it has a total of 2 prime factors.
2 , 7 , 37 , 16 , 113 , 970 , 7952 , 112 , 76732 , 29534 , 287876 , 292753 , 6574379 , 5486335 , 60628751 , 77577764 , 675931283 , 245000974 , 4790891076 , 2056723256
n×2
30443322
n×3
45664983
n×4
60886644
n×5
76108305
n÷2
7610830.5
n÷3
5073887
n÷3
3805415.25
n÷5
3044332.2
n2
231698963598921
n3
3.5268430779541E+21
n4
5.3684409732814E+28
n5
8.17165885938E+35
2 √n
3901.4947135681
3 √n
247.83007892856
4 √n
62.461946123765
5 √n
27.320736904924
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15221660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15221661 can be divided by 4 positive divisors.
The sum of these divisors (counting 15221661) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010000100001110011101
3
Ternary
1001122100012020
4
Quaternary
322010032131
5
Quinary
12344043121
6
Senary
1302130353
8
Octal
72041635
10
Decimal
15221661
12
Duodecimal
51209b9
16
Hexadecimal
e8439d
20
Vigesimal
4f2e31
36
Base36
9293x
md5
239c2338d172a006c9dfd42c9c80edec
sha1
e0943f6044039a55625292aec48687c9e20e7fd1
sha256
17e55793e0e2a102b303b1ed74455daa747c62e56ab72d3fdd155cf7f848b49b
sha512
f579a827f4cee3e2fd4c1419fb7b24633ac690b155ca3540277e110c038dacc2f6a63eafa05bbbaff47bd6c52c593a96f06c19254b18504230f9d3579ac16297
ripemd-160
85656a633acc32dd4347b2c9ba85b6793fef36e4
Diameter
30443322
Circumference
95640516.746069
Area
7.2790376188674E+14
Volume
1.4773205738753E+22
Surface area
2.911615047547E+15
Circumference
95640516.746069
Perimeter
60886644
Area
231698963598921
Diagonal
21526679.428046
Surface area
1390193781593526
Volume
3.5268430779541E+21
Space diagonal
26364690.22759
Perimeter
45664983
Area
1.003285942536E+14
Altitude
13182345.113795
Surface area
1.003285942536E+14
Volume
4.1564244276703E+20
Height
7175559.8093485