15680 is an even 5-digits composite number following 15679
and preceding 15681 . In scientific notation, it is written as 1.5680 × 10^4.
The sum of its digits is 20. It has a total of 9 prime factors and 42 positive divisors.
There are 5376 positive integers (up to 15680) that are relatively prime to 15680.
15680 has 42 divisors, whose sum is 43434
The reverse of 15680 is 08651
Previous prime number is 7
Is Prime? no
Number parity even
Number length 5
Sum of Digits 20
Digital Root 2
Name
fifteen thousand six hundred eighty
Scientific notation
1.5680 × 10^4
Engineering notation
1.5680 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
70
Product of the distinct prime numbers
The prime factorization of 15680 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7.
Since it has a total of 9 prime factors.
4 , 5 , 39 , 20 , 141 , 356 , 6322 , 4478 , 51203 , 58667 , 111645 , 742012 , 9287320 , 4924243 , 22234064 , 87865882 , 924327481 , 9987525 , 8720551451 , 9204948225
n×2
31360
n×3
47040
n×4
62720
n×5
78400
n÷2
7840
n÷3
5226.6666666667
n÷3
3920
n÷5
3136
n2
245862400
n3
3855122432000
n4
60448319733760000
n5
9.4782965342536E+20
2 √n
125.21980673999
3 √n
25.029298982704
4 √n
11.19016562612
5 √n
6.9034981319602
1 , 2 , 4 , 5 , 7 , 8 , 10 , 14 , 16 , 20 , 28 , 32 , 35 , 40 , 49 , 56 , 64 , 70 , 80 , 98 , 112 , 140 , 160 , 196 , 224 , 245 , 280 , 320 , 392 , 448 , 490 , 560 , 784 , 980 , 1120 , 1568 , 1960 , 2240 , 3136 , 3920 , 7840 , 15680
42 divisors
τ
Total Divisors
42
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15679
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.023809523809524
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
42
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15680 can be divided by 42 positive divisors.
The sum of these divisors (counting 15680) is 1, the average is 0.023809523809524.
Base
System
Value
2
Binary
11110101000000
3
Ternary
210111202
4
Quaternary
3311000
5
Quinary
1000210
6
Senary
200332
8
Octal
36500
10
Decimal
15680
12
Duodecimal
90a8
16
Hexadecimal
3d40
20
Vigesimal
1j40
36
Base36
c3k
md5
ba28c7f62e092b90383052c29844fcf8
sha1
c3d9c0e1fdd3f5197ba3b3e337718f43aea9dcca
sha256
d5e414a6e9550bcf429b17981ed88aeb8514ec65abc52ed5d5b1310d093ae245
sha512
662dae158e74f44da8fb1ebd88f19509af244d0a2a2f6c11651bae733defe929cb11217ae3d0d3e8af64dcc41d18c88710a2a37e8b11518b8d1aabd55415ef6f
ripemd-160
5b330cfd8739070c465417c8af836de7b48fdd3b
Diameter
31360
Circumference
98520.345616576
Area
772399509.63396
Volume
16148299081414
Surface area
3089598038.5358
Circumference
98520.345616576
Perimeter
62720
Area
245862400
Diagonal
22174.86865801
Surface area
1475174400
Volume
3855122432000
Space diagonal
27158.55666268
Perimeter
47040
Area
106461542.11771
Altitude
13579.27833134
Surface area
106461542.11771
Volume
454330535661.93
Height
7391.6228860034