15142705 is an odd 8-digits composite number following 15142704
and preceding 15142706 . In scientific notation, it is written as 1.5142705 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 12114160 positive integers (up to 15142705) that are relatively prime to 15142705.
15142705 has 4 divisors, whose sum is 18171252
The reverse of 15142705 is 50724151
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
fifteen million one hundred forty-two thousand seven hundred five
Scientific notation
1.5142705 × 10^7
Engineering notation
1.5142705 × 10^6
Prime Factorization
5 × 3028541
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15142705
Product of the distinct prime numbers
The prime factorization of 15142705 is 5 × 3028541.
Since it has a total of 2 prime factors.
4 , 7 , 18 , 99 , 841 , 471 , 2610 , 6434 , 51236 , 26044 , 499952 , 978044 , 4821029 , 5639262 , 86257728 , 71226494 , 131788851 , 189926783 , 4643377251 , 2044979171
n×2
30285410
n×3
45428115
n×4
60570820
n×5
75713525
n÷2
7571352.5
n÷3
5047568.3333333
n÷3
3785676.25
n÷5
3028541
n2
229301514717025
n3
3.4722451934131E+21
n4
5.2579184651522E+28
n5
7.9619108231853E+35
2 √n
3891.362871797
3 √n
247.40083092939
4 √n
62.380789284819
5 √n
27.292334935128
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
-15142704
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 15142705 can be divided by 4 positive divisors.
The sum of these divisors (counting 15142705) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001110000111100110001
3
Ternary
1001111022212221
4
Quaternary
321300330301
5
Quinary
12334031310
6
Senary
1300321041
8
Octal
71607461
10
Decimal
15142705
12
Duodecimal
50a3181
16
Hexadecimal
e70f31
20
Vigesimal
4ecgf5
36
Base36
90k6p
md5
7a4ceb632fa825b68c26113b728156c4
sha1
4654454bf4369fd39c1a0627937b5dc375a59cd6
sha256
7716ee42579b905ecae1cb87f69161efa9bf9e2c07bf88d748b593e4d2067df3
sha512
6b4efd989cedf721abe69ad31b9c6e6413caa54eab237cbe4bea82d0a9575abd96ffa907ff6b62fdd1f53527c608f6b5696a9825e995410cf4a4162003e3a513
ripemd-160
14e605f8c7823ec96780e80a5b43668f59d30071
Diameter
30285410
Circumference
95144421.566955
Area
7.2037195409202E+14
Volume
1.4544506654785E+22
Surface area
2.8814878163681E+15
Circumference
95144421.566955
Perimeter
60570820
Area
229301514717025
Diagonal
21415018.782015
Surface area
1375809088302150
Volume
3.4722451934131E+21
Space diagonal
26227934.424027
Perimeter
45428115
Area
99290468435597
Altitude
13113967.212014
Surface area
99290468435597
Volume
4.0920802036746E+20
Height
7138339.594005