15144987 is an odd 8-digits composite number following 15144986
and preceding 15144988 . In scientific notation, it is written as 1.5144987 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8265600 positive integers (up to 15144987) that are relatively prime to 15144987.
15144987 has 16 divisors, whose sum is 17952480
The reverse of 15144987 is 78944151
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
fifteen million one hundred forty-four thousand nine hundred eighty-seven
Scientific notation
1.5144987 × 10^7
Engineering notation
1.5144987 × 10^6
Prime Factorization
11 × 129 × 13 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15144987
Product of the distinct prime numbers
The prime factorization of 15144987 is 11 × 129 × 13 × 821.
Since it has a total of 4 prime factors.
9 , 7 , 31 , 52 , 225 , 32 , 7027 , 2888 , 4350 , 75999 , 468418 , 707503 , 7407026 , 1696985 , 73772212 , 38679755 , 168589653 , 518913197 , 7127572195 , 6461348600
n×2
30289974
n×3
45434961
n×4
60579948
n×5
75724935
n÷2
7572493.5
n÷3
5048329
n÷3
3786246.75
n÷5
3028997.4
n2
229370631230169
n3
3.4738152281627E+21
n4
5.2610886470926E+28
n5
7.9679119166065E+35
2 √n
3891.6560742183
3 √n
247.41325804283
4 √n
62.38313934244
5 √n
27.293157474487
1 , 11 , 13 , 129 , 143 , 821 , 1419 , 1677 , 9031 , 10673 , 18447 , 105909 , 117403 , 1164999 , 1376817 , 15144987
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
-15144986
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 15144987 can be divided by 16 positive divisors.
The sum of these divisors (counting 15144987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001110001100000011011
3
Ternary
1001111110000110
4
Quaternary
321301200123
5
Quinary
12334114422
6
Senary
1300335403
8
Octal
71614033
10
Decimal
15144987
12
Duodecimal
50a4563
16
Hexadecimal
e7181b
20
Vigesimal
4ed297
36
Base36
90ly3
md5
bbfad1898c68d8afa1f261c2ef5b9953
sha1
78f99a1d15d9d77b71d79409546319d452457dd9
sha256
3ca7055589f12e67e73d4def7a1953d5f1c3a1766991adaf981425dd3e025d1f
sha512
d0cbbd57374d669c4d53d56d117be1ddf3342e517e5dad0da615a2ba05334e76d1b8ab97dd99185d511e418cf44ab72018ab4addfab1306eee7b15726ea1c093
ripemd-160
e392fa543d606a4b42a95d53e46e5d43875d7f4f
Diameter
30289974
Circumference
95158759.795826
Area
7.2058909002195E+14
Volume
1.4551083200966E+22
Surface area
2.8823563600878E+15
Circumference
95158759.795826
Perimeter
60579948
Area
229370631230169
Diagonal
21418246.017364
Surface area
1376223787381014
Volume
3.4738152281627E+21
Space diagonal
26231886.96397
Perimeter
45434961
Area
99320396763699
Altitude
13115943.481985
Surface area
99320396763699
Volume
4.0939305073716E+20
Height
7139415.3391214