1997788684 is an even 10-digits composite number following 1997788683
and preceding 1997788685 . In scientific notation, it is written as 1.997788684 × 10^9.
The sum of its digits is 67. It has a total of 3 prime factors and 6 positive divisors.
There are 998894340 positive integers (up to 1997788684) that are relatively prime to 1997788684.
1997788684 has 6 divisors, whose sum is 3496130204
The reverse of 1997788684 is 4868877991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 67
Digital Root 4
Name
one billion nine hundred ninety-seven million seven hundred eighty-eight thousand six hundred eighty-four
Scientific notation
1.997788684 × 10^9
Engineering notation
1.997788684 × 10^9
Prime Factorization
2 × 2 × 499447171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
998894342
Product of the distinct prime numbers
The prime factorization of 1997788684 is 2 × 2 × 499447171.
Since it has a total of 3 prime factors.
5 , 8 , 14 , 66 , 657 , 344 , 4357 , 1558 , 81934 , 49734 , 215991 , 589195 , 1175152 , 8951332 , 22447403 , 26104125 , 683732433 , 308743808 , 945800305 , 3240455792
n×2
3995577368
n×3
5993366052
n×4
7991154736
n×5
9988943420
n÷2
998894342
n÷3
665929561.33333
n÷3
499447171
n÷5
399557736.8
n2
3991159625918451856
n3
7.9734935366976E+27
n4
1.5929355159562E+37
n5
3.1823485481189E+46
2 √n
44696.629447868
3 √n
1259.4565313905
4 √n
211.41577388612
5 √n
72.461932106169
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1997788683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997788684 can be divided by 6 positive divisors.
The sum of these divisors (counting 1997788684) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110111000100111101011000001100
3
Ternary
12011020012011212111
4
Quaternary
1313010331120030
5
Quinary
13042413214214
6
Senary
530123313404
8
Octal
16704753014
10
Decimal
1997788684
12
Duodecimal
47907b864
16
Hexadecimal
7713d60c
20
Vigesimal
1b463be4
36
Base36
x1fjm4
md5
21cd9eef7bba5976e20bacff32fe04f9
sha1
49acb7544e8ee9a23db73c3d0d2a3e39f9446596
sha256
56a70011ccaf091cbad2aecc71e76eb1e33c293697c8009b5bf26fbe20362a37
sha512
441769bf1b4eb5b46e1b1733f1d52e7a286d2bec2c10fd771275c5b3c22413067512a4a471dda558325da7572ba33bc203936f4835d6cebd70dd08f5c45a4a2b
ripemd-160
3f17dbe15f26aed9aec639c6e9f0b5134427cf4c
Diameter
3995577368
Circumference
12552476506.158
Area
1.253859776009E+19
Volume
3.3399291624446E+28
Surface area
5.0154391040358E+19
Circumference
12552476506.158
Perimeter
7991154736
Area
3991159625918451856
Diagonal
2825299851.6683
Surface area
2.3946957755511E+19
Volume
7.9734935366976E+27
Space diagonal
3460271503.4742
Perimeter
5993366052
Area
1.7282228133021E+18
Altitude
1730135751.7371
Surface area
1.7282228133021E+18
Volume
9.3968522492433E+26
Height
941766617.22277