19981746 is an even 8-digits composite number following 19981745
and preceding 19981747 . In scientific notation, it is written as 1.9981746 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 6585216 positive integers (up to 19981746) that are relatively prime to 19981746.
19981746 has 16 divisors, whose sum is 33679800
The reverse of 19981746 is 64718991
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred eighty-one thousand seven hundred forty-six
Scientific notation
1.9981746 × 10^7
Engineering notation
1.9981746 × 10^6
Prime Factorization
2 × 9 × 89 × 12473
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981746
Product of the distinct prime numbers
The prime factorization of 19981746 is 2 × 9 × 89 × 12473.
Since it has a total of 4 prime factors.
7 , 6 , 43 , 68 , 736 , 145 , 2105 , 6961 , 57993 , 61576 , 385240 , 582677 , 9949179 , 1091608 , 82791304 , 12173220 , 206545135 , 100933972 , 8148631782 , 9893317296
n×2
39963492
n×3
59945238
n×4
79926984
n×5
99908730
n÷2
9990873
n÷3
6660582
n÷3
4995436.5
n÷5
3996349.2
n2
399270173208516
n3
7.9781151864286E+21
n4
1.5941667121396E+29
n5
3.1854234323628E+36
2 √n
4470.0946298708
3 √n
271.3591548907
4 √n
66.858766290374
5 √n
28.848729185395
1 , 2 , 9 , 18 , 89 , 178 , 801 , 1602 , 12473 , 24946 , 112257 , 224514 , 1110097 , 2220194 , 9990873 , 19981746
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
-19981745
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 19981746 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010110110010
3
Ternary
1101121011210200
4
Quaternary
1030032112302
5
Quinary
20103403441
6
Senary
1552140030
8
Octal
114162662
10
Decimal
19981746
12
Duodecimal
6837616
16
Hexadecimal
130e5b2
20
Vigesimal
64he76
36
Base36
bwa0i
md5
d2aea1c52fa8003c83bec3dc2324e4a0
sha1
28230f9a41eeff406dea660f8eb53e789fd10924
sha256
2d7078ef4be90db0a19f2070359005b95b6667d82431d82e18dc1d11ed9b2782
sha512
91ec774fdb0d259b4f25e23c6f7f364b88db439791dc6d4fe6a69b040221c8eefa76a0992ca12aec0cbb6a08f66a43e9ee489423da40451e3a7c1b07a0201a70
ripemd-160
f029124bffc613be54ce51d1bae2f0668ee71295
Diameter
39963492
Circumference
125549012.87899
Area
1.2543442429494E+15
Volume
3.341865074557E+22
Surface area
5.0173769717976E+15
Circumference
125549012.87899
Perimeter
79926984
Area
399270173208516
Diagonal
28258456.193094
Surface area
2395621039251096
Volume
7.9781151864286E+21
Space diagonal
34609399.295936
Perimeter
59945238
Area
1.7288905648599E+14
Altitude
17304699.647968
Surface area
1.7288905648599E+14
Volume
9.402298915685E+20
Height
9419485.3976981