19981489 is an odd 8-digits composite number following 19981488
and preceding 19981490 . In scientific notation, it is written as 1.9981489 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 18076800 positive integers (up to 19981489) that are relatively prime to 19981489.
19981489 has 8 divisors, whose sum is 21903840
The reverse of 19981489 is 98418991
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred eighty-one thousand four hundred eighty-nine
Scientific notation
1.9981489 × 10^7
Engineering notation
1.9981489 × 10^6
Prime Factorization
11 × 211 × 8609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19981489
Product of the distinct prime numbers
The prime factorization of 19981489 is 11 × 211 × 8609.
Since it has a total of 3 prime factors.
6 , 3 , 16 , 52 , 614 , 211 , 7874 , 4298 , 82470 , 68613 , 806999 , 506547 , 9693578 , 7408530 , 74380164 , 63489818 , 991831829 , 757573676 , 9876105543 , 9681491287
n×2
39962978
n×3
59944467
n×4
79925956
n×5
99907445
n÷2
9990744.5
n÷3
6660496.3333333
n÷3
4995372.25
n÷5
3996297.8
n2
399259902657121
n3
7.9778073530843E+21
n4
1.5940846986977E+29
n5
3.1852185872097E+36
2 √n
4470.0658831834
3 √n
271.35799150218
4 √n
66.858551309338
5 √n
28.848654976048
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981489 can be divided by 8 positive divisors.
The sum of these divisors (counting 19981489) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001110010010110001
3
Ternary
1101121011110011
4
Quaternary
1030032102301
5
Quinary
20103401424
6
Senary
1552134521
8
Octal
114162261
10
Decimal
19981489
12
Duodecimal
6837441
16
Hexadecimal
130e4b1
20
Vigesimal
64hde9
36
Base36
bw9td
md5
eae6490c760bb04372b3c36998bcc5d2
sha1
8915e8a3158e0201a281a1484ad65785ee5170b4
sha256
7ec1f52e217971f002396f2acdb24f332a10945b41f4961f954cd07491f75353
sha512
26519f9b95b1fa0b0d7bd050c1b2c2ba1e6d0a23184983db6907c619486dc0fb2f0e5ad794bc77793d46d1d8a6c017ecc993f1b61f00ae949ed438a15a95a0f6
ripemd-160
3157f945b42ea10330767e98800f8683a3982e42
Diameter
39962978
Circumference
125547398.10037
Area
1.2543119770606E+15
Volume
3.3417361296272E+22
Surface area
5.0172479082423E+15
Circumference
125547398.10037
Perimeter
79925956
Area
399259902657121
Diagonal
28258092.740209
Surface area
2395559415942726
Volume
7.9778073530843E+21
Space diagonal
34608954.158879
Perimeter
59944467
Area
1.7288460920678E+14
Altitude
17304477.079439
Surface area
1.7288460920678E+14
Volume
9.4019361306097E+20
Height
9419364.2467363