15138891 is an odd 8-digits composite number following 15138890
and preceding 15138892 . In scientific notation, it is written as 1.5138891 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 9498816 positive integers (up to 15138891) that are relatively prime to 15138891.
15138891 has 4 divisors, whose sum is 15237992
The reverse of 15138891 is 19883151
Previous prime number is 153
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
fifteen million one hundred thirty-eight thousand eight hundred ninety-one
Scientific notation
1.5138891 × 10^7
Engineering notation
1.5138891 × 10^6
Prime Factorization
153 × 98947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15138891
Product of the distinct prime numbers
The prime factorization of 15138891 is 153 × 98947.
Since it has a total of 2 prime factors.
4 , 8 , 69 , 33 , 13 , 927 , 4192 , 8418 , 65652 , 10100 , 365431 , 805092 , 6953463 , 7309923 , 11561577 , 14120372 , 640540275 , 386850399 , 6159576315 , 337650348
n×2
30277782
n×3
45416673
n×4
60555564
n×5
75694455
n÷2
7569445.5
n÷3
5046297
n÷3
3784722.75
n÷5
3027778.2
n2
229186020709881
n3
3.4696221862506E+21
n4
5.252623208883E+28
n5
7.951889022335E+35
2 √n
3890.8727812664
3 √n
247.38005819865
4 √n
62.376860944315
5 √n
27.290959970031
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
-15138890
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 15138891 can be divided by 4 positive divisors.
The sum of these divisors (counting 15138891) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001110000000001001011
3
Ternary
1001111010122200
4
Quaternary
321300001023
5
Quinary
12333421031
6
Senary
1300251243
8
Octal
71600113
10
Decimal
15138891
12
Duodecimal
50a0b23
16
Hexadecimal
e7004b
20
Vigesimal
4ec74b
36
Base36
90h8r
md5
46442eb044281b7408fd166b99d98c4c
sha1
73b2fe7f858a2fb66032db6b2eb87674f7505a4c
sha256
d45d881004c5c4c296d7911308ff4c9ed84ba566bcda72d574e5ed556b891c43
sha512
ae3e7e43b6602f4869d1c439386689fececdaa5c4f4f983d729805acb919560cf1996a725dd6a62c4bfacb6ea4cc6b9bf602fd86aeee77b3a76764cbe741252b
ripemd-160
9aa94279c400841ed4534e497bdd520db070375b
Diameter
30277782
Circumference
95120457.498193
Area
7.2000911896764E+14
Volume
1.4533519428076E+22
Surface area
2.8800364758706E+15
Circumference
95120457.498193
Perimeter
60555564
Area
229186020709881
Diagonal
21409624.971488
Surface area
1375116124259286
Volume
3.4696221862506E+21
Space diagonal
26221328.382247
Perimeter
45416673
Area
99240458063512
Altitude
13110664.191124
Surface area
99240458063512
Volume
4.0889889600885E+20
Height
7136541.6571627