19981211 is an odd 8-digits composite number following 19981210
and preceding 19981212 . In scientific notation, it is written as 1.9981211 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19961352 positive integers (up to 19981211) that are relatively prime to 19981211.
19981211 has 4 divisors, whose sum is 20001072
The reverse of 19981211 is 11218991
Previous prime number is 1063
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
nineteen million nine hundred eighty-one thousand two hundred eleven
Scientific notation
1.9981211 × 10^7
Engineering notation
1.9981211 × 10^6
Prime Factorization
1063 × 18797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19981211
Product of the distinct prime numbers
The prime factorization of 19981211 is 1063 × 18797.
Since it has a total of 2 prime factors.
5 , 8 , 3 , 49 , 517 , 542 , 2892 , 3767 , 72128 , 3304 , 203336 , 159791 , 5022640 , 7311207 , 72035121 , 46729706 , 806698037 , 999391602 , 2090504902 , 4899712646
n×2
39962422
n×3
59943633
n×4
79924844
n×5
99906055
n÷2
9990605.5
n÷3
6660403.6666667
n÷3
4995302.75
n÷5
3996242.2
n2
399248793026521
n3
7.9774743749582E+21
n4
1.5939959873313E+29
n5
3.1849970156021E+36
2 √n
4470.0347873367
3 √n
271.35673303955
4 √n
66.858318759423
5 √n
28.848574702043
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981210
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981211 can be divided by 4 positive divisors.
The sum of these divisors (counting 19981211) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001110001110011011
3
Ternary
1101121011001212
4
Quaternary
1030032032123
5
Quinary
20103344321
6
Senary
1552133335
8
Octal
114161633
10
Decimal
19981211
12
Duodecimal
683724b
16
Hexadecimal
130e39b
20
Vigesimal
64hd0b
36
Base36
bw9ln
md5
0ee0847d9c1392e68680d90083c8c763
sha1
1c3b106886e43484565028efa13edd67c6b679f2
sha256
0fcc0970c50d3a30ff1a17e02070c7307333f84cc1bac901efeea90207f47743
sha512
f018b9ef411318a5b98b6e959db640597d6c7cdd31d8b7cda7404968e29b9b49fd54483b1bcea08bbc8c7a7cfbaf37ae22b11b5dd401f711c006c229314fad55
ripemd-160
64f6e50a83481dfddee70d1e066c76a22f6dfafe
Diameter
39962422
Circumference
125545651.37486
Area
1.2542770751267E+15
Volume
3.341596652076E+22
Surface area
5.0171083005068E+15
Circumference
125545651.37486
Perimeter
79924844
Area
399248793026521
Diagonal
28257699.588838
Surface area
2395492758159126
Volume
7.9774743749582E+21
Space diagonal
34608472.648754
Perimeter
59943633
Area
1.7287979859562E+14
Altitude
17304236.324377
Surface area
1.7287979859562E+14
Volume
9.4015437121248E+20
Height
9419233.1962795