15240639 is an odd 8-digits composite number following 15240638
and preceding 15240640 . In scientific notation, it is written as 1.5240639 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 10160424 positive integers (up to 15240639) that are relatively prime to 15240639.
15240639 has 4 divisors, whose sum is 20320856
The reverse of 15240639 is 93604251
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
fifteen million two hundred forty thousand six hundred thirty-nine
Scientific notation
1.5240639 × 10^7
Engineering notation
1.5240639 × 10^6
Prime Factorization
3 × 5080213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15240639
Product of the distinct prime numbers
The prime factorization of 15240639 is 3 × 5080213.
Since it has a total of 2 prime factors.
7 , 1 , 70 , 75 , 645 , 772 , 8145 , 9819 , 90395 , 40485 , 58864 , 518039 , 5580586 , 7148912 , 23039286 , 8989710 , 150400299 , 679918629 , 9771679750 , 1139872377
n×2
30481278
n×3
45721917
n×4
60962556
n×5
76203195
n÷2
7620319.5
n÷3
5080213
n÷3
3810159.75
n÷5
3048127.8
n2
232277077128321
n3
3.5400510804879E+21
n4
5.3952640559276E+28
n5
8.2227271786068E+35
2 √n
3903.926100735
3 √n
247.9330323432
4 √n
62.481406039997
5 √n
27.327546077201
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
-15240638
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 15240639 can be divided by 4 positive divisors.
The sum of these divisors (counting 15240639) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001000110110111111
3
Ternary
1001200022020010
4
Quaternary
322020312333
5
Quinary
12400200024
6
Senary
1302354303
8
Octal
72106677
10
Decimal
15240639
12
Duodecimal
512b993
16
Hexadecimal
e88dbf
20
Vigesimal
4f51bj
36
Base36
92nr3
md5
7cee47c40dbd9b4f8f1311c71f309e33
sha1
e92678db1135313631bd400564f283b41aaaf49a
sha256
bcee2ef924370f949d9a1c210214536068136a982f1157ca9d80764fffe446e4
sha512
92db2b080dc1a40388b848ca41918d99189bce2ff5f5348b71564006657cb47fa4eaebca23b12f65f2ea6bbf4bf903680faa2f0baa0077f4031b5dc77c4463f9
ripemd-160
1bc22b7e6dd7ac2fc6d78348508d7f4831027f19
Diameter
30481278
Circumference
95759759.036828
Area
7.2971995910364E+14
Volume
1.4828531290391E+22
Surface area
2.9188798364146E+15
Circumference
95759759.036828
Perimeter
60962556
Area
232277077128321
Diagonal
21553518.373032
Surface area
1393662462769926
Volume
3.5400510804879E+21
Space diagonal
26397561.087816
Perimeter
45721917
Area
1.0057892475496E+14
Altitude
13198780.543908
Surface area
1.0057892475496E+14
Volume
4.1719902079329E+20
Height
7184506.1243441