19981546 is an even 8-digits composite number following 19981545
and preceding 19981547 . In scientific notation, it is written as 1.9981546 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 8920080 positive integers (up to 19981546) that are relatively prime to 19981546.
19981546 has 24 divisors, whose sum is 33519744
The reverse of 19981546 is 64518991
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred eighty-one thousand five hundred forty-six
Scientific notation
1.9981546 × 10^7
Engineering notation
1.9981546 × 10^6
Prime Factorization
2 × 13 × 31 × 13 × 1907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1537042
Product of the distinct prime numbers
The prime factorization of 19981546 is 2 × 13 × 31 × 13 × 1907.
Since it has a total of 5 prime factors.
1 , 5 , 49 , 56 , 531 , 382 , 4830 , 6998 , 94884 , 74113 , 748060 , 508665 , 9760687 , 798018 , 8640410 , 61434603 , 116442466 , 354528604 , 4754718196 , 6673077058
n×2
39963092
n×3
59944638
n×4
79926184
n×5
99907730
n÷2
9990773
n÷3
6660515.3333333
n÷3
4995386.5
n÷5
3996309.2
n2
399262180550116
n3
7.9778756267224E+21
n4
1.5941028881763E+29
n5
3.1852640188828E+36
2 √n
4470.0722589238
3 √n
271.35824953085
4 √n
66.858598990136
5 √n
28.848671434996
1 , 2 , 13 , 26 , 31 , 62 , 169 , 338 , 403 , 806 , 1907 , 3814 , 5239 , 10478 , 24791 , 49582 , 59117 , 118234 , 322283 , 644566 , 768521 , 1537042 , 9990773 , 19981546
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
-19981545
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 19981546 can be divided by 24 positive divisors.
The sum of these divisors (counting 19981546) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100001110010011101010
3
Ternary
1101121011112021
4
Quaternary
1030032103222
5
Quinary
20103402141
6
Senary
1552135054
8
Octal
114162352
10
Decimal
19981546
12
Duodecimal
683748a
16
Hexadecimal
130e4ea
20
Vigesimal
64hdh6
36
Base36
bw9uy
md5
d0cc0c9c85c354029c227198609aa632
sha1
c42397cb752d893a71a2860c1112d46595d20caa
sha256
42656c5137276cc6a7fe87792c0073f7eb3ab06f90de67499a0589546f60b2c7
sha512
dba25e3ff2ce9842626d06908f666ad387f4746330bdaac827e888278c0fe5584db38267346640ad741c1c79adaa1c122ab3e30a1ebd65a60f363f95f0c4fc16
ripemd-160
c95b4824bbe71e68e2729b865a66f59ccc10b2de
Diameter
39963092
Circumference
125547756.24193
Area
1.2543191332725E+15
Volume
3.3417647280219E+22
Surface area
5.0172765330899E+15
Circumference
125547756.24193
Perimeter
79926184
Area
399262180550116
Diagonal
28258173.350382
Surface area
2395573083300696
Volume
7.9778756267224E+21
Space diagonal
34609052.885775
Perimeter
59944638
Area
1.7288559556338E+14
Altitude
17304526.442887
Surface area
1.7288559556338E+14
Volume
9.4020165918639E+20
Height
9419391.116794