19981123 is an odd 8-digits composite number following 19981122
and preceding 19981124 . In scientific notation, it is written as 1.9981123 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 19673280 positive integers (up to 19981123) that are relatively prime to 19981123.
19981123 has 8 divisors, whose sum is 20291040
The reverse of 19981123 is 32118991
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million nine hundred eighty-one thousand one hundred twenty-three
Scientific notation
1.9981123 × 10^7
Engineering notation
1.9981123 × 10^6
Prime Factorization
89 × 487 × 461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19981123
Product of the distinct prime numbers
The prime factorization of 19981123 is 89 × 487 × 461.
Since it has a total of 3 prime factors.
9 , 7 , 62 , 100 , 96 , 509 , 2132 , 7566 , 83814 , 47427 , 898201 , 807526 , 4627844 , 2493055 , 15403082 , 29048976 , 430406832 , 743175607 , 897827716 , 5940925006
n×2
39962246
n×3
59943369
n×4
79924492
n×5
99905615
n÷2
9990561.5
n÷3
6660374.3333333
n÷3
4995280.75
n÷5
3996224.6
n2
399245276341129
n3
7.9773689737411E+21
n4
1.593967906807E+29
n5
3.1849268803964E+36
2 √n
4470.024944002
3 √n
271.35633467485
4 √n
66.858245145995
5 √n
28.848549291381
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
-19981122
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 19981123 can be divided by 8 positive divisors.
The sum of these divisors (counting 19981123) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001110001101000011
3
Ternary
1101121010221121
4
Quaternary
1030032031003
5
Quinary
20103343443
6
Senary
1552133111
8
Octal
114161503
10
Decimal
19981123
12
Duodecimal
6837197
16
Hexadecimal
130e343
20
Vigesimal
64hcg3
36
Base36
bw9j7
md5
ce8b1e269f0f88da53297802f654edd0
sha1
1572cde1ec89e72a1da5e8e24503cd2c9030f319
sha256
c2f513e9fa3408c004b17327ad68920c8ed5f4c0e90d1d60c0848b640a01d7e6
sha512
43fb475988a3c4e165899404ad620f80f95a9bd29277b9934ec69bdb59121e440725cd754730bee74c2f9dd06a48a2a25a57747aba081126f4c4942dab19f550
ripemd-160
e83378d137c1a3339c8e71bc77e722230ccd0663
Diameter
39962246
Circumference
125545098.45455
Area
1.2542660271337E+15
Volume
3.3415525017174E+22
Surface area
5.0170641085349E+15
Circumference
125545098.45455
Perimeter
79924492
Area
399245276341129
Diagonal
28257575.138045
Surface area
2395471658046774
Volume
7.9773689737411E+21
Space diagonal
34608320.228283
Perimeter
59943369
Area
1.7287827582618E+14
Altitude
17304160.114142
Surface area
1.7287827582618E+14
Volume
9.4014194955992E+20
Height
9419191.7126817