19997725 is an odd 8-digits composite number following 19997724
and preceding 19997726 . In scientific notation, it is written as 1.9997725 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 14543600 positive integers (up to 19997725) that are relatively prime to 19997725.
19997725 has 12 divisors, whose sum is 27051840
The reverse of 19997725 is 52779991
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred ninety-seven thousand seven hundred twenty-five
Scientific notation
1.9997725 × 10^7
Engineering notation
1.9997725 × 10^6
Prime Factorization
11 × 5 × 5 × 72719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3999545
Product of the distinct prime numbers
The prime factorization of 19997725 is 11 × 5 × 5 × 72719.
Since it has a total of 4 prime factors.
7 , 5 , 19 , 78 , 959 , 329 , 6504 , 7521 , 55073 , 16338 , 254676 , 909606 , 1034247 , 2471807 , 14095736 , 74215225 , 692256232 , 265971796 , 6021204224 , 6928406986
n×2
39995450
n×3
59993175
n×4
79990900
n×5
99988625
n÷2
9998862.5
n÷3
6665908.3333333
n÷3
4999431.25
n÷5
3999545
n2
399909005175625
n3
7.9972703105257E+21
n4
1.5992721242056E+29
n5
3.1981804140029E+36
2 √n
4471.8815950336
3 √n
271.43146910243
4 √n
66.872128686274
5 √n
28.853341659818
1 , 5 , 11 , 25 , 55 , 275 , 72719 , 363595 , 799909 , 1817975 , 3999545 , 19997725
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997725 can be divided by 12 positive divisors.
The sum of these divisors (counting 19997725) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010010010000011101
3
Ternary
1101121222201111
4
Quaternary
1030102100131
5
Quinary
20104411400
6
Senary
1552342021
8
Octal
114222035
10
Decimal
19997725
12
Duodecimal
6844911
16
Hexadecimal
131241d
20
Vigesimal
64je65
36
Base36
bwmcd
md5
9e8baee7ba88f818a074197538a7941c
sha1
d0af5b834faa89d3da7393a003e660f4a624b6d2
sha256
61c654753c0e5271f5fdd5143fd5cb8bc50cf7c3acc6e1b2da7648ef0667dd1b
sha512
909fedbe14420e96b3d600ae679b1fe953d300050c3f081dea7ae9a82c240112996d693a5080cfde9a4d6a0ddeaa6023f28e8b11ad02dd83f20b8945325aa9d6
ripemd-160
69b2997fdc2b0232dfb2874b35ef9f3dc1e1025f
Diameter
39995450
Circumference
125649411.89702
Area
1.2563511927641E+15
Volume
3.3498887541759E+22
Surface area
5.0254047710566E+15
Circumference
125649411.89702
Perimeter
79990900
Area
399909005175625
Diagonal
28281053.911608
Surface area
2399454031053750
Volume
7.9972703105257E+21
Space diagonal
34637075.73579
Perimeter
59993175
Area
1.7316567884213E+14
Altitude
17318537.867895
Surface area
1.7316567884213E+14
Volume
9.4248734459243E+20
Height
9427017.9705358