15142642 is an even 8-digits composite number following 15142641
and preceding 15142643 . In scientific notation, it is written as 1.5142642 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 7562100 positive integers (up to 15142642) that are relatively prime to 15142642.
15142642 has 8 divisors, whose sum is 22741632
The reverse of 15142642 is 24624151
Previous prime number is 911
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
fifteen million one hundred forty-two thousand six hundred forty-two
Scientific notation
1.5142642 × 10^7
Engineering notation
1.5142642 × 10^6
Prime Factorization
2 × 911 × 8311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15142642
Product of the distinct prime numbers
The prime factorization of 15142642 is 2 × 911 × 8311.
Since it has a total of 3 prime factors.
7 , 7 , 85 , 83 , 49 , 340 , 9273 , 8198 , 84093 , 54984 , 414537 , 714895 , 3922075 , 2259567 , 97994693 , 58162488 , 80818223 , 409433385 , 3408169672 , 3528423803
n×2
30285284
n×3
45427926
n×4
60570568
n×5
75713210
n÷2
7571321
n÷3
5047547.3333333
n÷3
3785660.5
n÷5
3028528.4
n2
229299606740164
n3
3.4722018556071E+21
n4
5.2578309651194E+28
n5
7.9617452001317E+35
2 √n
3891.3547769382
3 √n
247.40048783186
4 √n
62.38072440216
5 √n
27.292312225579
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15142641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15142642 can be divided by 8 positive divisors.
The sum of these divisors (counting 15142642) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001110000111011110010
3
Ternary
1001111022210121
4
Quaternary
321300323302
5
Quinary
12334031032
6
Senary
1300320454
8
Octal
71607362
10
Decimal
15142642
12
Duodecimal
50a312a
16
Hexadecimal
e70ef2
20
Vigesimal
4ecgc2
36
Base36
90k4y
md5
77d5c4a31f24d6e474e28175b6d338e4
sha1
0c4a8db9350370e4a69343bc13a610b29bb3434c
sha256
471b83ea997ddd56389f4b58733ccab568bcf2b60c11dc7ed90fbec75cc9282a
sha512
befd1beaee2f473dd330637a63c5a92e202998b9e405109b0402ec268e9d10524bd9facfd09cd423a70899d535c25facb0b06011516e6a3b844ea1d336e66745
ripemd-160
3ad55c013e59d075233781605ba05a3301436ed4
Diameter
30285284
Circumference
95144025.726281
Area
7.2036596000593E+14
Volume
1.4544325121808E+22
Surface area
2.8814638400237E+15
Circumference
95144025.726281
Perimeter
60570568
Area
229299606740164
Diagonal
21414929.68656
Surface area
1375797640440984
Volume
3.4722018556071E+21
Space diagonal
26227825.304826
Perimeter
45427926
Area
99289642257382
Altitude
13113912.652413
Surface area
99289642257382
Volume
4.0920291295805E+20
Height
7138309.8955202