19989972 is an even 8-digits composite number following 19989971
and preceding 19989973 . In scientific notation, it is written as 1.9989972 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 18 positive divisors.
There are 6663312 positive integers (up to 19989972) that are relatively prime to 19989972.
19989972 has 18 divisors, whose sum is 50530298
The reverse of 19989972 is 27998991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
nineteen million nine hundred eighty-nine thousand nine hundred seventy-two
Scientific notation
1.9989972 × 10^7
Engineering notation
1.9989972 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 555277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3331662
Product of the distinct prime numbers
The prime factorization of 19989972 is 2 × 2 × 3 × 3 × 555277.
Since it has a total of 5 prime factors.
1 , 3 , 60 , 15 , 636 , 941 , 2869 , 7704 , 28452 , 99705 , 686260 , 151803 , 3530296 , 3421035 , 15750089 , 37202093 , 413034905 , 66581163 , 742347880 , 799657104
n×2
39979944
n×3
59969916
n×4
79959888
n×5
99949860
n÷2
9994986
n÷3
6663324
n÷3
4997493
n÷5
3997994.4
n2
399598980560784
n3
7.9879724326386E+21
n4
1.5967934526522E+29
n5
3.19198564083E+36
2 √n
4471.0146499424
3 √n
271.39638710861
4 √n
66.865646261309
5 √n
28.851104058722
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 555277 , 1110554 , 1665831 , 2221108 , 3331662 , 4997493 , 6663324 , 9994986 , 19989972
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989972 can be divided by 18 positive divisors.
The sum of these divisors (counting 19989972) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100010000010111010100
3
Ternary
1101121121002100
4
Quaternary
1030100113110
5
Quinary
20104134342
6
Senary
1552242100
8
Octal
114202724
10
Decimal
19989972
12
Duodecimal
6840330
16
Hexadecimal
13105d4
20
Vigesimal
64ieic
36
Base36
bwgd0
md5
782e9dd2b4cd03ecc7326bea7f635fc8
sha1
2eb8741bb8589b312b139928ba42166f76c0eb16
sha256
875a7a4d93135034e77e23e902e51521176424e4262efd0e8b0b6782d7b80b49
sha512
c33905a30dacc188a3526f195748e3989e75e3783ac77e9d5ae5124ccf1523f73e9404ddeec41173bbe7dc9b23ff7780f47d725144e3ff413408667dd238a24e
ripemd-160
1558b5ca2b4333cdfdb3ef30aa87c8815826b656
Diameter
39979944
Circumference
125600698.36133
Area
1.2553772217117E+15
Volume
3.345994068194E+22
Surface area
5.0215088868469E+15
Circumference
125600698.36133
Perimeter
79959888
Area
399598980560784
Diagonal
28270089.513858
Surface area
2397593883364704
Volume
7.9879724326386E+21
Space diagonal
34623647.145879
Perimeter
59969916
Area
1.73031434246E+14
Altitude
17311823.57294
Surface area
1.73031434246E+14
Volume
9.4139157917499E+20
Height
9423363.1712861