19639 is an odd 5-digits composite number following 19638
and preceding 19640 . In scientific notation, it is written as 1.9639 × 10^4.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 19120 positive integers (up to 19639) that are relatively prime to 19639.
19639 has 4 divisors, whose sum is 20160
The reverse of 19639 is 93691
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 28
Digital Root 1
Name
nineteen thousand six hundred thirty-nine
Scientific notation
1.9639 × 10^4
Engineering notation
1.9639 × 10^3
Prime Factorization
41 × 479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19639
Product of the distinct prime numbers
The prime factorization of 19639 is 41 × 479.
Since it has a total of 2 prime factors.
10 , 5 , 92 , 12 , 790 , 755 , 3897 , 1744 , 18091 , 57999 , 581 , 956663 , 2102534 , 469667 , 70995958 , 45097012 , 560192899 , 817117544 , 9813272510 , 6251575754
n×2
39278
n×3
58917
n×4
78556
n×5
98195
n÷2
9819.5
n÷3
6546.3333333333
n÷3
4909.75
n÷5
3927.8
n2
385690321
n3
7574572214119
n4
148757023713083041
n5
2.9214391887012E+21
2 √n
140.1392164956
3 √n
26.979866105575
4 √n
11.838041075093
5 √n
7.2214411108138
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
-19638
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 19639 can be divided by 4 positive divisors.
The sum of these divisors (counting 19639) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010110111
3
Ternary
222221101
4
Quaternary
10302313
5
Quinary
1112024
6
Senary
230531
8
Octal
46267
10
Decimal
19639
12
Duodecimal
b447
16
Hexadecimal
4cb7
20
Vigesimal
291j
36
Base36
f5j
md5
b0ec10166fcb5fd6d95ead1c3d735324
sha1
e2627f61857eb6be1a13674ec91993b03988f572
sha256
4d10005cd8f6638105dac18f5518551a82967f3a31d96009e584390611a60302
sha512
7bc1eb35b1f26a7df6e9e74b4e353ccc7b5f92a1cd14a2f30fb3e79c703c5047973021613c3c6769a54263d6c862a2e04c68ddd88fc9ae27d9b5672bdb53788b
ripemd-160
e469252131b1b3fb1c9ccd4244e82baa350d3cee
Diameter
39278
Circumference
123395.4762477
Area
1211681879.0143
Volume
31728293895949
Surface area
4846727516.0572
Circumference
123395.4762477
Perimeter
78556
Area
385690321
Diagonal
27773.740151445
Surface area
2314141926
Volume
7574572214119
Space diagonal
34015.745809845
Perimeter
58917
Area
167008807.98989
Altitude
17007.872904923
Surface area
167008807.98989
Volume
892671896198.46
Height
9257.9133838151