19982720 is an even 8-digits composite number following 19982719
and preceding 19982721 . In scientific notation, it is written as 1.9982720 × 10^7.
The sum of its digits is 38. It has a total of 9 prime factors and 32 positive divisors.
There are 7992832 positive integers (up to 19982720) that are relatively prime to 19982720.
19982720 has 32 divisors, whose sum is 47772720
The reverse of 19982720 is 02728991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred eighty-two thousand seven hundred twenty
Scientific notation
1.9982720 × 10^7
Engineering notation
1.9982720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
312230
Product of the distinct prime numbers
The prime factorization of 19982720 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31223.
Since it has a total of 9 prime factors.
6 , 8 , 92 , 17 , 644 , 68 , 8191 , 2665 , 61233 , 45522 , 166647 , 755653 , 3034799 , 9871023 , 20544759 , 26760132 , 83420121 , 76832090 , 8451435969 , 7925826207
n×2
39965440
n×3
59948160
n×4
79930880
n×5
99913600
n÷2
9991360
n÷3
6660906.6666667
n÷3
4995680
n÷5
3996544
n2
399309098598400
n3
7.9792819107442E+21
n4
1.5944775622347E+29
n5
3.1861998672418E+36
2 √n
4470.2035747827
3 √n
271.36356390685
4 √n
66.859581024582
5 √n
28.849010423224
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 128 , 160 , 320 , 640 , 31223 , 62446 , 124892 , 156115 , 249784 , 312230 , 499568 , 624460 , 999136 , 1248920 , 1998272 , 2497840 , 3996544 , 4995680 , 9991360 , 19982720
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19982719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19982720 can be divided by 32 positive divisors.
The sum of these divisors (counting 19982720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001110100110000000
3
Ternary
1101121020010202
4
Quaternary
1030032212000
5
Quinary
20103421340
6
Senary
1552144332
8
Octal
114164600
10
Decimal
19982720
12
Duodecimal
68380a8
16
Hexadecimal
130e980
20
Vigesimal
64hgg0
36
Base36
bwark
md5
023d88607f1e49270cac39757f4b3324
sha1
5ac9a0beb9a24e60cf462277513cfa08641aeb11
sha256
ab263824bc0b9fdf4a32c0e6cd050a5f50bcc790cfdee757ee63cf5805bc9ab6
sha512
432c0879d8d4399dcb2ade10e35b919f5770e2364c4f932ed02fdee6c4378aeac007ea54132a249a01e6d75a23507d12874cee8daff8ed440d71a4cfd14e4311
ripemd-160
8b1db71b5f70ddaf1321c203cf063c5ab081fa4c
Diameter
39965440
Circumference
125555132.70148
Area
1.2544665306683E+15
Volume
3.3423537908955E+22
Surface area
5.0178661226732E+15
Circumference
125555132.70148
Perimeter
79930880
Area
399309098598400
Diagonal
28259833.637104
Surface area
2395854591590400
Volume
7.9792819107442E+21
Space diagonal
34611086.313423
Perimeter
59948160
Area
1.7290591167424E+14
Altitude
17305543.156711
Surface area
1.7290591167424E+14
Volume
9.4036739134773E+20
Height
9419944.5457014