1997788685 is an odd 10-digits composite number following 1997788684
and preceding 1997788686 . In scientific notation, it is written as 1.997788685 × 10^9.
The sum of its digits is 68. It has a total of 4 prime factors and 16 positive divisors.
There are 1538058816 positive integers (up to 1997788685) that are relatively prime to 1997788685.
1997788685 has 16 divisors, whose sum is 2488147200
The reverse of 1997788685 is 5868877991
Previous prime number is 307
Is Prime? no Number parity odd Number length 10 Sum of Digits 68 Digital Root 5
Name
one billion nine hundred ninety-seven million seven hundred eighty-eight thousand six hundred eighty-five
Scientific notation
1.997788685 × 10^9
Engineering notation
1.997788685 × 10^9
Prime Factorization
5 × 29 × 307 × 44879
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1997788685 Product of the distinct prime numbers
The prime factorization of 1997788685 is 5 × 29 × 307 × 44879.
Since it has a total of 4 prime factors.
2 , 10 , 38 , 1 , 216 , 924 , 8547 , 1308 , 71721 , 38510 , 192975 , 541802 , 5315827 , 983756 , 75020644 , 18860495 , 847710650 , 68724052 , 8367620121 , 1451493780
n×2
3995577370
n×3
5993366055
n×4
7991154740
n×5
9988943425
n÷2
998894342.5
n÷3
665929561.66667
n÷3
499447171.25
n÷5
399557737
n2
3991159629914029225
n3
7.973493548671E+27
n4
1.5929355191455E+37
n5
3.1823485560836E+46
2 √n44696.629459054
3 √n1259.4565316007
4 √n211.41577391258
5 √n72.461932113423
1 , 5 , 29 , 145 , 307 , 1535 , 8903 , 44515 , 44879 , 224395 , 1301491 , 6507455 , 13777853 , 68889265 , 399557737 , 1997788685
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
-1997788684 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 1997788685 can be divided by 16 positive divisors.
The sum of these divisors (counting 1997788685) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000100111101011000001101
3
Ternary
12011020012011212112
4
Quaternary
1313010331120031
5
Quinary
13042413214220
6
Senary
530123313405
8
Octal
16704753015
10
Decimal
1997788685
12
Duodecimal
47907b865
16
Hexadecimal
7713d60d
20
Vigesimal
1b463be5
36
Base36
x1fjm5
md5
3146d90bd5f72e824b44708fac53b094
sha1
599dca0f47e4c3ce4a8a07a6f192d574335c9604
sha256
5e70b88b55a0d6b7526109b1741e6cd14b642622a865890c8c76e615153418ca
sha512
6d427548c9215a493f3c4461aa6c151fd856b6e007e221931785c409c4a2f53bb3c57df809b5f01edd316c6d3930de3973cb5cb2280cb07e35bcc7ce637ac105
ripemd-160
67310a0227c23a2768b94508f0b5012f6890f42a
Diameter
3995577370
Circumference
12552476512.442
Area
1.2538597772642E+19
Volume
3.3399291674601E+28
Surface area
5.0154391090568E+19
Circumference
12552476512.442
Perimeter
7991154740
Area
3991159629914029225
Diagonal
2825299853.0825
Surface area
2.3946957779484E+19
Volume
7.973493548671E+27
Space diagonal
3460271505.2062
Perimeter
5993366055
Area
1.7282228150322E+18
Altitude
1730135752.6031
Surface area
1.7282228150322E+18
Volume
9.3968522633541E+26
Height
941766617.69417