1997788118 is an even 10-digits composite number following 1997788117
and preceding 1997788119 . In scientific notation, it is written as 1.997788118 × 10^9.
The sum of its digits is 59. It has a total of 4 prime factors and 16 positive divisors.
There are 966268200 positive integers (up to 1997788118) that are relatively prime to 1997788118.
1997788118 has 16 divisors, whose sum is 3094640640
The reverse of 1997788118 is 8118877991
Previous prime number is 10331
Is Prime? no Number parity even Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion nine hundred ninety-seven million seven hundred eighty-eight thousand one hundred eighteen
Scientific notation
1.997788118 × 10^9
Engineering notation
1.997788118 × 10^9
Prime Factorization
2 × 31 × 10331 × 3119
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1997788118 Product of the distinct prime numbers
The prime factorization of 1997788118 is 2 × 31 × 10331 × 3119.
Since it has a total of 4 prime factors.
8 , 1 , 63 , 87 , 650 , 477 , 7764 , 2415 , 2345 , 98054 , 220691 , 102429 , 6731665 , 5341778 , 78557458 , 13384501 , 44535808 , 981254425 , 7941569173 , 8805727569
n×2
3995576236
n×3
5993364354
n×4
7991152472
n×5
9988940590
n÷2
998894059
n÷3
665929372.66667
n÷3
499447029.5
n÷5
399557623.6
n2
3991157364421981924
n3
7.9734867597104E+27
n4
1.592933710758E+37
n5
3.1823440401139E+46
2 √n44696.623116294
3 √n1259.4564124503
4 √n211.4157589119
5 √n72.461928000284
1 , 2 , 31 , 62 , 3119 , 6238 , 10331 , 20662 , 96689 , 193378 , 320261 , 640522 , 32222389 , 64444778 , 998894059 , 1997788118
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
-1997788117 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 1997788118 can be divided by 16 positive divisors.
The sum of these divisors (counting 1997788118) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000100111101001111010110
3
Ternary
12011020012011002112
4
Quaternary
1313010331033112
5
Quinary
13042413204433
6
Senary
530123311022
8
Octal
16704751726
10
Decimal
1997788118
12
Duodecimal
47907b472
16
Hexadecimal
7713d3d6
20
Vigesimal
1b463a5i
36
Base36
x1fj6e
md5
6cc7a2bc2194f42a9475029e22fa741c
sha1
ec2950f698281ab5a7f5da2e03e080ba870f9fb0
sha256
d342310f5056e2bf7e8a8b61ab84536ecc79935878a544515cdf96e4d9dca93c
sha512
0cb4b52c0507cab19b7ec4a28a2e5e5d09e5554a00d2df44e4cabc6829bb82baac95b24519cdb12384f69cd2f2ff1bb00836122ee76a0ac073ab2f7915f766b0
ripemd-160
08780a6950a1b30eac0d1a358ef283f3bb0596f5
Diameter
3995576236
Circumference
12552472949.876
Area
1.2538590655389E+19
Volume
3.3399263237069E+28
Surface area
5.0154362621556E+19
Circumference
12552472949.876
Perimeter
7991152472
Area
3991157364421981924
Diagonal
2825299051.2234
Surface area
2.3946944186532E+19
Volume
7.9734867597104E+27
Space diagonal
3460270523.1334
Perimeter
5993364354
Area
1.7282218340454E+18
Altitude
1730135261.5667
Surface area
1.7282218340454E+18
Volume
9.3968442624873E+26
Height
941766350.40781