19542989 is an odd 8-digits composite number following 19542988
and preceding 19542990 . In scientific notation, it is written as 1.9542989 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 18781200 positive integers (up to 19542989) that are relatively prime to 19542989.
19542989 has 8 divisors, whose sum is 20313600
The reverse of 19542989 is 98924591
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million five hundred forty-two thousand nine hundred eighty-nine
Scientific notation
1.9542989 × 10^7
Engineering notation
1.9542989 × 10^6
Prime Factorization
31 × 149 × 4231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19542989
Product of the distinct prime numbers
The prime factorization of 19542989 is 31 × 149 × 4231.
Since it has a total of 3 prime factors.
4 , 7 , 67 , 20 , 795 , 92 , 3751 , 6568 , 38008 , 22534 , 68133 , 545940 , 2147566 , 506136 , 2320852 , 30446877 , 694266173 , 646248702 , 1080023706 , 5692872020
n×2
39085978
n×3
58628967
n×4
78171956
n×5
97714945
n÷2
9771494.5
n÷3
6514329.6666667
n÷3
4885747.25
n÷5
3908597.8
n2
381928419054121
n3
7.4640228923621E+21
n4
1.4586931728118E+29
n5
2.8507224630636E+36
2 √n
4420.7452991549
3 √n
269.35827938699
4 √n
66.48868549727
5 √n
28.720910095219
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
-19542988
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 19542989 can be divided by 8 positive divisors.
The sum of these divisors (counting 19542989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010100011001111001101
3
Ternary
1100202212221102
4
Quaternary
1022203033031
5
Quinary
20000333424
6
Senary
1534512445
8
Octal
112431715
10
Decimal
19542989
12
Duodecimal
6665725
16
Hexadecimal
12a33cd
20
Vigesimal
622h99
36
Base36
bmvgt
md5
eb316b29683a051d792574f86006fb78
sha1
7acdd26ee061c5d25d846f57f1c4ac913747015f
sha256
61972b4b36b9d5bc79f2df0d2d74f4eb813c7507231738631637ae10e435a472
sha512
98af2ae0b1a0a4c00f07c06f13bd2a0bc742a36b51bf73b6fdb096a27318b1c05d9454503eddcdb38a1426f6242869378ad58eb43f551e73b528db6bfba2749b
ripemd-160
a7b8f76408ad76f8c8deebaeafbbdbd0742cdaf7
Diameter
39085978
Circumference
122792221.34317
Area
1.1998635154976E+15
Volume
3.1265225979828E+22
Surface area
4.7994540619904E+15
Circumference
122792221.34317
Perimeter
78171956
Area
381928419054121
Diagonal
27637960.093108
Surface area
2291570514324726
Volume
7.4640228923621E+21
Space diagonal
33849449.87976
Perimeter
58628967
Area
1.6537985666405E+14
Altitude
16924724.93988
Surface area
1.6537985666405E+14
Volume
8.7964353368681E+20
Height
9212653.3643694