15897989 is an odd 8-digits composite number following 15897988
and preceding 15897990 . In scientific notation, it is written as 1.5897989 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 15815424 positive integers (up to 15897989) that are relatively prime to 15897989.
15897989 has 4 divisors, whose sum is 15980556
The reverse of 15897989 is 98979851
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
fifteen million eight hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
1.5897989 × 10^7
Engineering notation
1.5897989 × 10^6
Prime Factorization
193 × 82373
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15897989
Product of the distinct prime numbers
The prime factorization of 15897989 is 193 × 82373.
Since it has a total of 2 prime factors.
2 , 5 , 66 , 87 , 689 , 22 , 4639 , 2137 , 30132 , 72709 , 69383 , 846655 , 404763 , 1948181 , 84923639 , 2446529 , 779186758 , 133547232 , 1601857909 , 2098865088
n×2
31795978
n×3
47693967
n×4
63591956
n×5
79489945
n÷2
7948994.5
n÷3
5299329.6666667
n÷3
3974497.25
n÷5
3179597.8
n2
252746054244121
n3
4.0181539901664E+21
n4
6.3880567935972E+28
n5
1.0155725663598E+36
2 √n
3987.2282352532
3 √n
251.44754362629
4 √n
63.144502811038
5 √n
27.55931624751
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
-15897988
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 15897989 can be divided by 4 positive divisors.
The sum of these divisors (counting 15897989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100101001010110000101
3
Ternary
1002220200221102
4
Quaternary
330221112011
5
Quinary
13032213424
6
Senary
1324425445
8
Octal
74512605
10
Decimal
15897989
12
Duodecimal
53a8285
16
Hexadecimal
f29585
20
Vigesimal
4j74j9
36
Base36
9gqyt
md5
a3253c3c63463b9516da8121794327fa
sha1
a14659dc0ce89738260ffc0d4ed60f00da2db719
sha256
bed0a03b82aad68c517879484dcf7d4acd1c380fafe0b5d0c7fa4b73f91294d2
sha512
bce9be6a25c8c0ceb3daf5112f8788432d6520dc8ccf0bc61556934a19fcb99d3c04b7ab2783c84a6edc406c3f7050204911fb772d112eecf18227f06d185e55
ripemd-160
f17fa317e364f834044a61e583fdcf969b7e8cfb
Diameter
31795978
Circumference
99890010.898503
Area
7.9402514723714E+14
Volume
1.6831204075333E+22
Surface area
3.1761005889486E+15
Circumference
99890010.898503
Perimeter
63591956
Area
252746054244121
Diagonal
22483151.658258
Surface area
1516476325464726
Volume
4.0181539901664E+21
Space diagonal
27536124.686171
Perimeter
47693967
Area
1.0944225184084E+14
Altitude
13768062.343086
Surface area
1.0944225184084E+14
Volume
4.7354398904975E+20
Height
7494383.8860861