19989081 is an odd 8-digits composite number following 19989080
and preceding 19989082 . In scientific notation, it is written as 1.9989081 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 11301120 positive integers (up to 19989081) that are relatively prime to 19989081.
19989081 has 16 divisors, whose sum is 25652480
The reverse of 19989081 is 18098991
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred eighty-nine thousand eighty-one
Scientific notation
1.9989081 × 10^7
Engineering notation
1.9989081 × 10^6
Prime Factorization
9 × 7 × 97 × 3271
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19989081
Product of the distinct prime numbers
The prime factorization of 19989081 is 9 × 7 × 97 × 3271.
Since it has a total of 4 prime factors.
2 , 7 , 86 , 2 , 530 , 825 , 4156 , 2457 , 98374 , 24084 , 155880 , 21773 , 2822442 , 7929334 , 46553180 , 27157739 , 288316500 , 830930003 , 6518805667 , 7644544350
n×2
39978162
n×3
59967243
n×4
79956324
n×5
99945405
n÷2
9994540.5
n÷3
6663027
n÷3
4997270.25
n÷5
3997816.2
n2
399563359224561
n3
7.9869043521718E+21
n4
1.5965087803482E+29
n5
3.191274332759E+36
2 √n
4470.9150070204
3 √n
271.39235479058
4 √n
66.864901159131
5 √n
28.850846861843
1 , 7 , 9 , 63 , 97 , 679 , 873 , 3271 , 6111 , 22897 , 29439 , 206073 , 317287 , 2221009 , 2855583 , 19989081
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989081 can be divided by 16 positive divisors.
The sum of these divisors (counting 19989081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010000001001011001
3
Ternary
1101121112212100
4
Quaternary
1030100021121
5
Quinary
20104122311
6
Senary
1552234013
8
Octal
114201131
10
Decimal
19989081
12
Duodecimal
683b909
16
Hexadecimal
1310259
20
Vigesimal
64ice1
36
Base36
bwfo9
md5
a87b5dae21adc0c0c6bbf77e0d9040e3
sha1
0b95ba1840f4ddbdac3bf18645fbddd84dd7509e
sha256
c4dc3c8d45c7f104c8ac2a581f768f9e7675cfca90623ff93379fea2c42d8dbf
sha512
5f46ad0a4f023f505ed47c914d8f67a01943ede04996833deb558f145ed7ec12410e6c4135ca81a48f7f2245b94e4d1a53ee63c02487dc1386ef1e508b1962f1
ripemd-160
de3a6fbfbc6359f7ac445e28709f857003fa4795
Diameter
39978162
Circumference
125595100.04322
Area
1.2552653139835E+15
Volume
3.3455466716943E+22
Surface area
5.0210612559342E+15
Circumference
125595100.04322
Perimeter
79956324
Area
399563359224561
Diagonal
28268829.449574
Surface area
2397380155347366
Volume
7.9869043521718E+21
Space diagonal
34622103.88861
Perimeter
59967243
Area
1.7301600975496E+14
Altitude
17311051.944305
Surface area
1.7301600975496E+14
Volume
9.4126570468484E+20
Height
9422943.1498581