15994989 is an odd 8-digits composite number following 15994988
and preceding 15994990 . In scientific notation, it is written as 1.5994989 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 28 positive divisors.
There are 10357632 positive integers (up to 15994989) that are relatively prime to 15994989.
15994989 has 28 divisors, whose sum is 24671196
The reverse of 15994989 is 98949951
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
fifteen million nine hundred ninety-four thousand nine hundred eighty-nine
Scientific notation
1.5994989 × 10^7
Engineering notation
1.5994989 × 10^6
Prime Factorization
3 × 9 × 27 × 37 × 593
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15994989
Product of the distinct prime numbers
The prime factorization of 15994989 is 3 × 9 × 27 × 37 × 593.
Since it has a total of 5 prime factors.
4 , 6 , 99 , 81 , 345 , 903 , 7263 , 2462 , 2496 , 13504 , 585351 , 719662 , 3015294 , 4204334 , 14353784 , 49122050 , 340389541 , 249371376 , 498407892 , 835837417
n×2
31989978
n×3
47984967
n×4
63979956
n×5
79974945
n÷2
7997494.5
n÷3
5331663
n÷3
3998747.25
n÷5
3198997.8
n2
255839673110121
n3
4.09215275716E+21
n4
6.5453938337094E+28
n5
1.0469350237085E+36
2 √n
3999.3735759491
3 √n
251.95790113066
4 √n
63.240600692507
5 √n
27.592864556318
1 , 3 , 9 , 27 , 37 , 81 , 111 , 243 , 333 , 593 , 729 , 999 , 1779 , 2997 , 5337 , 8991 , 16011 , 21941 , 26973 , 48033 , 65823 , 144099 , 197469 , 432297 , 592407 , 1777221 , 5331663 , 15994989
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15994988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15994989 can be divided by 28 positive divisors.
The sum of these divisors (counting 15994989) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101000001000001101101
3
Ternary
1010002122000000
4
Quaternary
331001001231
5
Quinary
13043314424
6
Senary
1330454513
8
Octal
75010155
10
Decimal
15994989
12
Duodecimal
5434439
16
Hexadecimal
f4106d
20
Vigesimal
4jj799
36
Base36
9itt9
md5
b016a78a106a2cf53d6d2b91ec94f1c9
sha1
2d3c1b6fb256955d8555b9f525015112cbe3dd88
sha256
364b671d5eb41475fd21d5d22b5d6362e37389100fbfc3f2d7e1f26a57a8875d
sha512
fb95679941063e1450fbdefbdc68c281da50024cf42c133b8ea02d7b9df1fe399b04bd5f14adcb0a9687c5acf59be453b378d4c780ed009e47881ed9d8060c41
ripemd-160
86fb83ac5dcdf5ef977f3b06c1a94aaf2e7bdd17
Diameter
31989978
Circumference
100499479.8733
Area
8.0374403753957E+14
Volume
1.7141169385681E+22
Surface area
3.2149761501583E+15
Circumference
100499479.8733
Perimeter
63979956
Area
255839673110121
Diagonal
22620330.373808
Surface area
1535038038660726
Volume
4.09215275716E+21
Space diagonal
27704133.614505
Perimeter
47984967
Area
1.1078182810464E+14
Altitude
13852066.807253
Surface area
1.1078182810464E+14
Volume
4.8226482737318E+20
Height
7540110.1246028