19990725 is an odd 8-digits composite number following 19990724
and preceding 19990726 . In scientific notation, it is written as 1.9990725 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 10033920 positive integers (up to 19990725) that are relatively prime to 19990725.
19990725 has 16 divisors, whose sum is 29352960
The reverse of 19990725 is 52709991
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred ninety thousand seven hundred twenty-five
Scientific notation
1.9990725 × 10^7
Engineering notation
1.9990725 × 10^6
Prime Factorization
3 × 25 × 17 × 15679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19990725
Product of the distinct prime numbers
The prime factorization of 19990725 is 3 × 25 × 17 × 15679.
Since it has a total of 4 prime factors.
8 , 2 , 1 , 37 , 491 , 270 , 5034 , 3133 , 50199 , 57990 , 319620 , 732770 , 7694284 , 4457640 , 53313750 , 79291605 , 472737702 , 78101224 , 9609273920 , 6572538517
n×2
39981450
n×3
59972175
n×4
79962900
n×5
99953625
n÷2
9995362.5
n÷3
6663575
n÷3
4997681.25
n÷5
3998145
n2
399629086025625
n3
7.9888751607396E+21
n4
1.5970340639768E+29
n5
3.1925868788592E+36
2 √n
4471.0988582227
3 √n
271.39979479912
4 √n
66.866275941035
5 √n
28.851321413244
1 , 3 , 17 , 25 , 51 , 75 , 425 , 1275 , 15679 , 47037 , 266543 , 391975 , 799629 , 1175925 , 6663575 , 19990725
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
-19990724
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 19990725 can be divided by 16 positive divisors.
The sum of these divisors (counting 19990725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010000100011000101
3
Ternary
1101121122010020
4
Quaternary
1030100203011
5
Quinary
20104200400
6
Senary
1552245353
8
Octal
114204305
10
Decimal
19990725
12
Duodecimal
6840859
16
Hexadecimal
13108c5
20
Vigesimal
64igg5
36
Base36
bwgxx
md5
323c16aeca8a95f1295c69eb83a99bbf
sha1
6f1a31d99dbce19d2bbc85c27dedea8ace7644cd
sha256
56e48d6dfcd77378d2dc997480ef71a22d48ecd28d4a9694e8f62f44284569bb
sha512
0bd00b5c6a7e3b9091a75f4fe62aa346088b20107f0cbacacb7f60d172ed209cc0718bce76c4c149afe23408625f785daadbf47b5f98b13efad6b4ed87c76aa3
ripemd-160
9a04810aaa30f1be233d8cb2fbc9859965b99ab0
Diameter
39981450
Circumference
125605429.59987
Area
1.2554718008189E+15
Volume
3.3463722020567E+22
Surface area
5.0218872032756E+15
Circumference
125605429.59987
Perimeter
79962900
Area
399629086025625
Diagonal
28271154.416671
Surface area
2397774516153750
Volume
7.9888751607396E+21
Space diagonal
34624951.380137
Perimeter
59972175
Area
1.7304447029467E+14
Altitude
17312475.690069
Surface area
1.7304447029467E+14
Volume
9.4149796670196E+20
Height
9423718.1388903