15142881 is an odd 8-digits composite number following 15142880
and preceding 15142882 . In scientific notation, it is written as 1.5142881 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9159360 positive integers (up to 15142881) that are relatively prime to 15142881.
15142881 has 16 divisors, whose sum is 22115520
The reverse of 15142881 is 18824151
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
fifteen million one hundred forty-two thousand eight hundred eighty-one
Scientific notation
1.5142881 × 10^7
Engineering notation
1.5142881 × 10^6
Prime Factorization
3 × 13 × 59 × 6581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15142881
Product of the distinct prime numbers
The prime factorization of 15142881 is 3 × 13 × 59 × 6581.
Since it has a total of 4 prime factors.
2 , 1 , 50 , 90 , 482 , 728 , 3518 , 4088 , 83548 , 95065 , 159108 , 723268 , 4919922 , 8927607 , 16009607 , 39792296 , 113268056 , 615925059 , 693572768 , 4180898850
n×2
30285762
n×3
45428643
n×4
60571524
n×5
75714405
n÷2
7571440.5
n÷3
5047627
n÷3
3785720.25
n÷5
3028576.2
n2
229306844980161
n3
3.47236626602E+21
n4
5.2581629154756E+28
n5
7.9623735307659E+35
2 √n
3891.3854859163
3 √n
247.40178941903
4 √n
62.380970543238
5 √n
27.292398377275
1 , 3 , 13 , 39 , 59 , 177 , 767 , 2301 , 6581 , 19743 , 85553 , 256659 , 388279 , 1164837 , 5047627 , 15142881
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15142880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15142881 can be divided by 16 positive divisors.
The sum of these divisors (counting 15142881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001110000111111100001
3
Ternary
1001111100010110
4
Quaternary
321300333201
5
Quinary
12334033011
6
Senary
1300321533
8
Octal
71607741
10
Decimal
15142881
12
Duodecimal
50a32a9
16
Hexadecimal
e70fe1
20
Vigesimal
4ech41
36
Base36
90kbl
md5
a3285f972503d365465aace6052920aa
sha1
724a8ffe5fa016b562403c875d829ecd4619d28f
sha256
479373812b838a4dafdd73ecc3beea14a7174a1a6ebfd74c6757bde1b588266f
sha512
a62b12f794b78c7a3774d937bfcf49dfe30713277b8475c2530247e193e698029a7930f01fabebcde9d7ef3dde0687c0466028f7c3372595f0c174600cf55632
ripemd-160
cf8fa5eeb24434e6f62ffcfe06824d7cd8bda91c
Diameter
30285762
Circumference
95145527.407569
Area
7.2038869960753E+14
Volume
1.4545013802535E+22
Surface area
2.8815547984301E+15
Circumference
95145527.407569
Perimeter
60571524
Area
229306844980161
Diagonal
21415267.683602
Surface area
1375841069880966
Volume
3.47236626602E+21
Space diagonal
26228239.264969
Perimeter
45428643
Area
99292776507240
Altitude
13114119.632485
Surface area
99292776507240
Volume
4.0922228891103E+20
Height
7138422.5612006