19981260 is an even 8-digits composite number following 19981259
and preceding 19981261 . In scientific notation, it is written as 1.9981260 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 4917888 positive integers (up to 19981260) that are relatively prime to 19981260.
19981260 has 24 divisors, whose sum is 42324240
The reverse of 19981260 is 06218991
Previous prime number is 117
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
nineteen million nine hundred eighty-one thousand two hundred sixty
Scientific notation
1.9981260 × 10^7
Engineering notation
1.9981260 × 10^6
Prime Factorization
2 × 2 × 5 × 117 × 8539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9990630
Product of the distinct prime numbers
The prime factorization of 19981260 is 2 × 2 × 5 × 117 × 8539.
Since it has a total of 5 prime factors.
2 , 10 , 72 , 88 , 686 , 549 , 3608 , 5098 , 17111 , 98661 , 24034 , 131501 , 377013 , 1399742 , 92830590 , 53515738 , 375800662 , 973477916 , 9076164139 , 4864560131
n×2
39962520
n×3
59943780
n×4
79925040
n×5
99906300
n÷2
9990630
n÷3
6660420
n÷3
4995315
n÷5
3996252
n2
399250751187600
n3
7.9775330646747E+21
n4
1.5940116232386E+29
n5
3.1850360686953E+36
2 √n
4470.040268275
3 √n
271.35695485576
4 √n
66.858359748613
5 √n
28.848588851124
1 , 2 , 4 , 5 , 10 , 20 , 117 , 234 , 468 , 585 , 1170 , 2340 , 8539 , 17078 , 34156 , 42695 , 85390 , 170780 , 999063 , 1998126 , 3996252 , 4995315 , 9990630 , 19981260
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981259
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981260 can be divided by 24 positive divisors.
The sum of these divisors (counting 19981260) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100001110001111001100
3
Ternary
1101121011010200
4
Quaternary
1030032033030
5
Quinary
20103400020
6
Senary
1552133500
8
Octal
114161714
10
Decimal
19981260
12
Duodecimal
6837290
16
Hexadecimal
130e3cc
20
Vigesimal
64hd30
36
Base36
bw9n0
md5
6cfa023d95ea416fe4ec5e11284d9569
sha1
7e6c1100338e61607622d141e40b07c2d8b95889
sha256
553350681a748b2353064a4a1363f54ca4776c67c755efbf911fdc4e16e14faf
sha512
f25d951d7e7cd436fefe7d9250b1710a57ec0018a0cfcb9353c69dbd05771a24a592a9450a4bbc82e0d08cf17f642b0c3a621f6cb977864d24cf7485d1b2eec0
ripemd-160
1c67fa777b9e9cd66f65b8755590aa986bddf54a
Diameter
39962520
Circumference
125545959.25094
Area
1.2542832268712E+15
Volume
3.3416212359669E+22
Surface area
5.0171329074847E+15
Circumference
125545959.25094
Perimeter
79925040
Area
399250751187600
Diagonal
28257768.885303
Surface area
2395504507125600
Volume
7.9775330646747E+21
Space diagonal
34608557.519244
Perimeter
59943780
Area
1.7288064650424E+14
Altitude
17304278.759622
Surface area
1.7288064650424E+14
Volume
9.401612878619E+20
Height
9419256.295101