19991225 is an odd 8-digits composite number following 19991224
and preceding 19991226 . In scientific notation, it is written as 1.9991225 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 15729600 positive integers (up to 19991225) that are relatively prime to 19991225.
19991225 has 8 divisors, whose sum is 21133320
The reverse of 19991225 is 52219991
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million nine hundred ninety-one thousand two hundred twenty-five
Scientific notation
1.9991225 × 10^7
Engineering notation
1.9991225 × 10^6
Prime Factorization
25 × 61 × 13109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19991225
Product of the distinct prime numbers
The prime factorization of 19991225 is 25 × 61 × 13109.
Since it has a total of 3 prime factors.
1 , 4 , 23 , 73 , 33 , 486 , 6555 , 5218 , 67626 , 56878 , 427345 , 297268 , 6783111 , 80872 , 17507023 , 60109962 , 698305033 , 937118155 , 706877162 , 1923010237
n×2
39982450
n×3
59973675
n×4
79964900
n×5
99956125
n÷2
9995612.5
n÷3
6663741.6666667
n÷3
4997806.25
n÷5
3998245
n2
399649077000625
n3
7.9894746193618E+21
n4
1.5971938474745E+29
n5
3.1929861573479E+36
2 √n
4471.1547725392
3 √n
271.40205749455
4 √n
66.866694045236
5 √n
28.851465735337
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19991224
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19991225 can be divided by 8 positive divisors.
The sum of these divisors (counting 19991225) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000101010111001
3
Ternary
1101121122210202
4
Quaternary
1030100222321
5
Quinary
20104204400
6
Senary
1552251545
8
Octal
114205271
10
Decimal
19991225
12
Duodecimal
6840bb5
16
Hexadecimal
1310ab9
20
Vigesimal
64ii15
36
Base36
bwhbt
md5
116a9673ec428e0e1c979f91eecb7003
sha1
feacf76dab1533bd53d526a0b8011418e078cd7e
sha256
f948ef6bbb4a0216bebd96266bbd2be948e176638592c121d97bd4ee059cf6cd
sha512
ac9ace71f743378faaa791d55522cd707502e4bfe9f66048c395790008c2f77150ae56a714517d3b666a969f5336fe8f2a4547882958ee42b48afffb09349760
ripemd-160
c66e418c5c586f675693a7f1dbc8634b1afa67a5
Diameter
39982450
Circumference
125608571.19252
Area
1.2555346043191E+15
Volume
3.3466233026972E+22
Surface area
5.0221384172764E+15
Circumference
125608571.19252
Perimeter
79964900
Area
399649077000625
Diagonal
28271861.523452
Surface area
2397894462003750
Volume
7.9894746193618E+21
Space diagonal
34625817.405541
Perimeter
59973675
Area
1.7305312664077E+14
Altitude
17312908.702771
Surface area
1.7305312664077E+14
Volume
9.4156861357809E+20
Height
9423953.8411507