19997240 is an even 8-digits composite number following 19997239
and preceding 19997241 . In scientific notation, it is written as 1.9997240 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 7722624 positive integers (up to 19997240) that are relatively prime to 19997240.
19997240 has 16 divisors, whose sum is 37755600
The reverse of 19997240 is 04279991
Previous prime number is 145
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety-seven thousand two hundred forty
Scientific notation
1.9997240 × 10^7
Engineering notation
1.9997240 × 10^6
Prime Factorization
2 × 2 × 2 × 145 × 17239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4999310
Product of the distinct prime numbers
The prime factorization of 19997240 is 2 × 2 × 2 × 145 × 17239.
Since it has a total of 5 prime factors.
2 , 8 , 46 , 41 , 866 , 113 , 6661 , 3227 , 65533 , 25099 , 282389 , 812384 , 2585152 , 642178 , 86861510 , 38350548 , 991375829 , 540341940 , 3667650402 , 356275413
n×2
39994480
n×3
59991720
n×4
79988960
n×5
99986200
n÷2
9998620
n÷3
6665746.6666667
n÷3
4999310
n÷5
3999448
n2
399889607617600
n3
7.996688457035E+21
n4
1.5991169828056E+29
n5
3.1977926093239E+36
2 √n
4471.827366972
3 √n
271.42927476404
4 √n
66.871723224185
5 √n
28.853201703833
1 , 2 , 4 , 8 , 145 , 290 , 580 , 1160 , 17239 , 34478 , 68956 , 137912 , 2499655 , 4999310 , 9998620 , 19997240
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
-19997239
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 19997240 can be divided by 16 positive divisors.
The sum of these divisors (counting 19997240) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010001000111000
3
Ternary
1101121222001112
4
Quaternary
1030102020320
5
Quinary
20104402430
6
Senary
1552335452
8
Octal
114221070
10
Decimal
19997240
12
Duodecimal
6844588
16
Hexadecimal
1312238
20
Vigesimal
64jd20
36
Base36
bwlyw
md5
32794435545d165d70a1076b8db2e32b
sha1
aace9a718e104324de9b376838ffa32ff1ddb689
sha256
3612d74c10fc68fd9d73aa989f8bccdc686da2c8fd841140b31c49c3424680a5
sha512
8dedecd8c3f711ebe84778a42a4fc10010dd42007f89d60fd2d142d747bb4e720dbff448ef066f7500717ab2277984f2d4fa225f9ec3ff259008f52674133e6e
ripemd-160
d03fa35654b7151c7cb17b43db398241cb8121cf
Diameter
39994480
Circumference
125646364.55214
Area
1.2562902535384E+15
Volume
3.3496450279556E+22
Surface area
5.0251610141534E+15
Circumference
125646364.55214
Perimeter
79988960
Area
399889607617600
Diagonal
28280368.01803
Surface area
2399337645705600
Volume
7.996688457035E+21
Space diagonal
34636235.691149
Perimeter
59991720
Area
1.7315727945312E+14
Altitude
17318117.845574
Surface area
1.7315727945312E+14
Volume
9.4241877250094E+20
Height
9426789.3393433