15106721 is an odd 8-digits composite number following 15106720
and preceding 15106722 . In scientific notation, it is written as 1.5106721 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 12948612 positive integers (up to 15106721) that are relatively prime to 15106721.
15106721 has 4 divisors, whose sum is 17264832
The reverse of 15106721 is 12760151
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
fifteen million one hundred six thousand seven hundred twenty-one
Scientific notation
1.5106721 × 10^7
Engineering notation
1.5106721 × 10^6
Prime Factorization
7 × 2158103
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15106721
Product of the distinct prime numbers
The prime factorization of 15106721 is 7 × 2158103.
Since it has a total of 2 prime factors.
5 , 7 , 38 , 53 , 373 , 575 , 6605 , 9973 , 97412 , 42818 , 392031 , 785295 , 1273895 , 6057695 , 71206834 , 83253899 , 499855891 , 354460023 , 6662041942 , 333040657
n×2
30213442
n×3
45320163
n×4
60426884
n×5
75533605
n÷2
7553360.5
n÷3
5035573.6666667
n÷3
3776680.25
n÷5
3021344.2
n2
228213019371841
n3
3.447550412218E+21
n4
5.2081182210812E+28
n5
7.867758890089E+35
2 √n
3886.7365488286
3 √n
247.20470717324
4 √n
62.34369694547
5 √n
27.279351492377
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
-15106720
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 15106721 can be divided by 4 positive divisors.
The sum of these divisors (counting 15106721) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001101000001010100001
3
Ternary
1001102111112012
4
Quaternary
321220022201
5
Quinary
12331403341
6
Senary
1255442305
8
Octal
71501241
10
Decimal
15106721
12
Duodecimal
5086395
16
Hexadecimal
e682a1
20
Vigesimal
4e86g1
36
Base36
8zsf5
md5
d195c25650ab3a306c5d130fe20b2c25
sha1
9dee1401d4d9d8638bd8827a3bd2456ded1121df
sha256
834e57151f569f17149a5697d2cd5c2f0798788279d17431c76a23a43a51ac17
sha512
68a73bc36bc014b9c86e30098e265fc65a5928cbbacf94e5ed1e9490a3c587f246b63e33480296af695635df3427dbad345007c1ddef56b4aeecf17852cebfeb
ripemd-160
d1426ace71ebca8afc55cab40e25874828e16967
Diameter
30213442
Circumference
94918327.426861
Area
7.1695234511212E+14
Volume
1.4441065397206E+22
Surface area
2.8678093804485E+15
Circumference
94918327.426861
Perimeter
60426884
Area
228213019371841
Diagonal
21364129.721186
Surface area
1369278116231046
Volume
3.447550412218E+21
Space diagonal
26165608.307768
Perimeter
45320163
Area
98819136125182
Altitude
13082804.153884
Surface area
98819136125182
Volume
4.0629771249364E+20
Height
7121376.5737288