19997766 is an even 8-digits composite number following 19997765
and preceding 19997767 . In scientific notation, it is written as 1.9997766 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 6158592 positive integers (up to 19997766) that are relatively prime to 19997766.
19997766 has 32 divisors, whose sum is 34365600
The reverse of 19997766 is 66779991
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
nineteen million nine hundred ninety-seven thousand seven hundred sixty-six
Scientific notation
1.9997766 × 10^7
Engineering notation
1.9997766 × 10^6
Prime Factorization
2 × 171 × 9 × 73 × 89
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19997766
Product of the distinct prime numbers
The prime factorization of 19997766 is 2 × 171 × 9 × 73 × 89.
Since it has a total of 5 prime factors.
4 , 6 , 71 , 96 , 711 , 332 , 4499 , 7149 , 56210 , 7382 , 274865 , 161558 , 3097368 , 7846203 , 92957153 , 59856927 , 488570267 , 637162130 , 5164271046 , 1974601474
n×2
39995532
n×3
59993298
n×4
79991064
n×5
99988830
n÷2
9998883
n÷3
6665922
n÷3
4999441.5
n÷5
3999553.2
n2
399910644990756
n3
7.9973194994342E+21
n4
1.5992852397692E+29
n5
3.1982131992159E+36
2 √n
4471.8861792313
3 √n
271.43165460157
4 √n
66.872162962112
5 √n
28.853353491024
1 , 2 , 9 , 18 , 73 , 89 , 146 , 171 , 178 , 342 , 657 , 801 , 1314 , 1539 , 1602 , 3078 , 6497 , 12483 , 12994 , 15219 , 24966 , 30438 , 58473 , 112347 , 116946 , 136971 , 224694 , 273942 , 1110987 , 2221974 , 9998883 , 19997766
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
-19997765
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 19997766 can be divided by 32 positive divisors.
The sum of these divisors (counting 19997766) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100010010010001000110
3
Ternary
1101121222210000
4
Quaternary
1030102101012
5
Quinary
20104412031
6
Senary
1552342130
8
Octal
114222106
10
Decimal
19997766
12
Duodecimal
6844946
16
Hexadecimal
1312446
20
Vigesimal
64je86
36
Base36
bwmdi
md5
1d9b4b3ceb6cec4beda86f6c3e40ece7
sha1
e850db965395c2f7e231f7dfacd7eaf0e5b872f7
sha256
1e243fc744b07432d6a61cc2005bbe8bdbf58378807413da6f0f95baffb1e370
sha512
a710942ce4519779d4c50bd8fa1529d6622cfecb73667042c439e3a512eff04bee81698a00bc994535946e68f6908cdd0812849656ae56aefe420132d8feda48
ripemd-160
d283b0e59aba2c6d55b0bf92d2bf5a7dd6f43959
Diameter
39995532
Circumference
125649669.50762
Area
1.2563563443953E+15
Volume
3.3499093583777E+22
Surface area
5.0254253775813E+15
Circumference
125649669.50762
Perimeter
79991064
Area
399910644990756
Diagonal
28281111.894364
Surface area
2399463869944536
Volume
7.9973194994342E+21
Space diagonal
34637146.749873
Perimeter
59993298
Area
1.7316638890291E+14
Altitude
17318573.374937
Surface area
1.7316638890291E+14
Volume
9.4249314156089E+20
Height
9427037.2981212