19802018 is an even 8-digits composite number following 19802017
and preceding 19802019 . In scientific notation, it is written as 1.9802018 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 9901008 positive integers (up to 19802018) that are relatively prime to 19802018.
19802018 has 4 divisors, whose sum is 29703030
The reverse of 19802018 is 81020891
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
nineteen million eight hundred two thousand eighteen
Scientific notation
1.9802018 × 10^7
Engineering notation
1.9802018 × 10^6
Prime Factorization
2 × 9901009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19802018
Product of the distinct prime numbers
The prime factorization of 19802018 is 2 × 9901009.
Since it has a total of 2 prime factors.
10 , 7 , 26 , 74 , 526 , 455 , 8609 , 1703 , 9792 , 96634 , 794035 , 609045 , 4333367 , 6320386 , 62278263 , 22092404 , 850870203 , 213568546 , 8744531322 , 3691223733
n×2
39604036
n×3
59406054
n×4
79208072
n×5
99010090
n÷2
9901009
n÷3
6600672.6666667
n÷3
4950504.5
n÷5
3960403.6
n2
392119916872324
n3
7.7647656520643E+21
n4
1.5375802920796E+29
n5
3.0447192620205E+36
2 √n
4449.9458423671
3 √n
270.54311345357
4 √n
66.707914390776
5 √n
28.796644845424
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19802017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19802018 can be divided by 4 positive divisors.
The sum of these divisors (counting 19802018) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011100010011110100010
3
Ternary
1101021001021002
4
Quaternary
1023202132202
5
Quinary
20032131033
6
Senary
1544232002
8
Octal
113423642
10
Decimal
19802018
12
Duodecimal
676b602
16
Hexadecimal
12e27a2
20
Vigesimal
63f50i
36
Base36
bsfc2
md5
37692c464a2269582a6ca2985cc4d05e
sha1
a7ef7aae27e64055d0cc3d9013aec5356f5fc953
sha256
f077f72bf909f1fca9dc9d974b85cd6f227046a1ced953fe281e0a112bb35944
sha512
646a7a0601c2b31a548f413673931a620e0c45e4d4b9f3e6f46cef34eab37862aa6d369a5469f2a5f4cbb792dc93f7944dc832badfb6279f308a4272c12d14ce
ripemd-160
75987416543e3b6746d9fec8c7bfcac73b32e0d4
Diameter
39604036
Circumference
124419748.55011
Area
1.2318810501723E+15
Volume
3.2524974305829E+22
Surface area
4.9275242006893E+15
Circumference
124419748.55011
Perimeter
79208072
Area
392119916872324
Diagonal
28004282.417956
Surface area
2352719501233944
Volume
7.7647656520643E+21
Space diagonal
34298101.268393
Perimeter
59406054
Area
1.6979290467064E+14
Altitude
17149050.634197
Surface area
1.6979290467064E+14
Volume
9.150864078165E+20
Height
9334760.8059854