15395981 is an odd 8-digits prime number following 15395980
and preceding 15395982 . In scientific notation, it is written as 1.5395981 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 15395980 positive integers (up to 15395981) that are relatively prime to 15395981.
15395981 has 2 divisors, whose sum is 15395982
The reverse of 15395981 is 18959351
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
fifteen million three hundred ninety-five thousand nine hundred eighty-one
Scientific notation
1.5395981 × 10^7
Engineering notation
1.5395981 × 10^6
Prime Factorization
15395981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
15395981
Product of the distinct prime numbers
The prime factorization of 15395981 is 15395981.
Since it has a total of 1 prime factors.
4 , 3 , 53 , 33 , 808 , 907 , 1577 , 4203 , 12567 , 44239 , 556266 , 869301 , 3855784 , 40755 , 65231511 , 42725556 , 516007769 , 933764581 , 3420910847 , 9928237770
n×2
30791962
n×3
46187943
n×4
61583924
n×5
76979905
n÷2
7697990.5
n÷3
5131993.6666667
n÷3
3848995.25
n÷5
3079196.2
n2
237036230952361
n3
3.6494053080542E+21
n4
5.6186174784101E+28
n5
8.650412794387E+35
2 √n
3923.7712726406
3 √n
248.77254864912
4 √n
62.640013351217
5 √n
27.383028176385
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
15395982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
7697991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3923.7714000691
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999870096
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15395981 can be divided by 2 positive divisors.
The sum of these divisors (counting 15395981) is 15395982, the average is 7697991.
Base
System
Value
2
Binary
111010101110110010001101
3
Ternary
1001222012022112
4
Quaternary
322232302031
5
Quinary
12420132411
6
Senary
1305553405
8
Octal
72566215
10
Decimal
15395981
12
Duodecimal
51a5865
16
Hexadecimal
eaec8d
20
Vigesimal
4g49j1
36
Base36
95zm5
md5
1ea3af40124d815f06a0c2102fefd13b
sha1
a2d35d09f26a857fd6b67520702c7f5dcc46cc82
sha256
8966d1abbd9b116ab2625965035c617cf9f3e67ef572f779dee791e12fef18cc
sha512
f34af2cd5b4ef1ce7dc68c7832fbca12164f3e7f2b38e978de145d30c59ed37043fc25f17b1cac28016957fc547c1448a3eedec1d72a03c02a40bab14ceeea2d
ripemd-160
733cf5d4ce2d6fcb4fb558b8f42d1c310a8ff098
Diameter
30791962
Circumference
96735801.608816
Area
7.4467128179455E+14
Volume
1.5286593207673E+22
Surface area
2.9786851271782E+15
Circumference
96735801.608816
Perimeter
61583924
Area
237036230952361
Diagonal
21773205.136238
Surface area
1422217385714166
Volume
3.6494053080542E+21
Space diagonal
26666621.324365
Perimeter
46187943
Area
1.0263969881103E+14
Altitude
13333310.662183
Surface area
1.0263969881103E+14
Volume
4.3008654010388E+20
Height
7257735.0454128