19981825 is an odd 8-digits composite number following 19981824
and preceding 19981826 . In scientific notation, it is written as 1.9981825 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors.
There are 13780800 positive integers (up to 19981825) that are relatively prime to 19981825.
19981825 has 32 divisors, whose sum is 26726400
The reverse of 19981825 is 52818991
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred eighty-one thousand eight hundred twenty-five
Scientific notation
1.9981825 × 10^7
Engineering notation
1.9981825 × 10^6
Prime Factorization
115 × 5 × 19 × 31 × 59
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19981825
Product of the distinct prime numbers
The prime factorization of 19981825 is 115 × 5 × 19 × 31 × 59.
Since it has a total of 5 prime factors.
4 , 6 , 82 , 8 , 660 , 762 , 9965 , 1442 , 89378 , 4676 , 472590 , 483480 , 7755792 , 4257381 , 26310454 , 92602707 , 901916114 , 737501139 , 9310240124 , 6601779886
n×2
39963650
n×3
59945475
n×4
79927300
n×5
99909125
n÷2
9990912.5
n÷3
6660608.3333333
n÷3
4995456.25
n÷5
3996365
n2
399273330330625
n3
7.9782098138337E+21
n4
1.5941919231331E+29
n5
3.1854864024459E+36
2 √n
4470.1034663641
3 √n
271.35951250618
4 √n
66.858832373622
5 √n
28.848751996674
1 , 5 , 19 , 31 , 59 , 95 , 115 , 155 , 295 , 575 , 589 , 1121 , 1829 , 2185 , 2945 , 3565 , 5605 , 6785 , 9145 , 10925 , 17825 , 33925 , 34751 , 67735 , 128915 , 173755 , 210335 , 338675 , 644575 , 1051675 , 3996365 , 19981825
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
-19981824
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 19981825 can be divided by 32 positive divisors.
The sum of these divisors (counting 19981825) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001110011000000001
3
Ternary
1101121011220121
4
Quaternary
1030032120001
5
Quinary
20103404300
6
Senary
1552140241
8
Octal
114163001
10
Decimal
19981825
12
Duodecimal
6837681
16
Hexadecimal
130e601
20
Vigesimal
64heb5
36
Base36
bwa2p
md5
bf502b9a66bf9efed51765b7cee11ff0
sha1
4f692bc643ffcdd086ebf2ddfb6739fcaa16292e
sha256
8ef5689f910ce063671f42a28e3207398b39e562d0ab07ab00530c945ece52f1
sha512
ecff9b3f22baa699a0aae7cb710c935bfe1f510967372da3b81ca0a6d19db5885433fc62260d37fcb819a88102093c370e57a24daa5e3e995bdb652e0130cf6c
ripemd-160
4f2d153c61aa6530ffa706c1d58c96bc1f3ecffc
Diameter
39963650
Circumference
125549509.25063
Area
1.254354161341E+15
Volume
3.3419047119917E+22
Surface area
5.0174166453641E+15
Circumference
125549509.25063
Perimeter
79927300
Area
399273330330625
Diagonal
28258567.915966
Surface area
2395639981983750
Volume
7.9782098138337E+21
Space diagonal
34609536.12795
Perimeter
59945475
Area
1.7289042355997E+14
Altitude
17304768.063975
Surface area
1.7289042355997E+14
Volume
9.4024104351515E+20
Height
9419522.6386553