1997689097 is an odd 10-digits composite number following 1997689096
and preceding 1997689098 . In scientific notation, it is written as 1.997689097 × 10^9.
The sum of its digits is 65. It has a total of 3 prime factors and 8 positive divisors.
There are 1989423504 positive integers (up to 1997689097) that are relatively prime to 1997689097.
1997689097 has 8 divisors, whose sum is 2005972800
The reverse of 1997689097 is 7909867991
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 65
Digital Root 2
Name
one billion nine hundred ninety-seven million six hundred eighty-nine thousand ninety-seven
Scientific notation
1.997689097 × 10^9
Engineering notation
1.997689097 × 10^9
Prime Factorization
487 × 509 × 8059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1997689097
Product of the distinct prime numbers
The prime factorization of 1997689097 is 487 × 509 × 8059.
Since it has a total of 3 prime factors.
9 , 1 , 98 , 52 , 698 , 118 , 5772 , 6571 , 48222 , 10014 , 372697 , 970698 , 5603912 , 978443 , 51622739 , 68054721 , 359710702 , 268126273 , 9224805383 , 4935351029
n×2
3995378194
n×3
5993067291
n×4
7990756388
n×5
9988445485
n÷2
998844548.5
n÷3
665896365.66667
n÷3
499422274.25
n÷5
399537819.4
n2
3990761728272675409
n3
7.9723011932952E+27
n4
1.5926179171846E+37
n5
3.1815554488465E+46
2 √n
44695.515401436
3 √n
1259.4356036546
4 √n
211.41313914096
5 √n
72.461209666365
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1997689096
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997689097 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997689097) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000100100101000100001001
3
Ternary
12011020000010021002
4
Quaternary
1313010211010021
5
Quinary
13042402022342
6
Senary
530121224345
8
Octal
16704450411
10
Decimal
1997689097
12
Duodecimal
4790320b5
16
Hexadecimal
77125109
20
Vigesimal
1b45b2eh
36
Base36
x1dert
md5
1dfca87111f475f5ec30a3896bbdbdc4
sha1
2638c91443fbd6cc922c9eb707bc607b32497714
sha256
5b3a0e08e51f0b16df5873ee0fb14ccf723fa811ccb31cae155ff10bd1b1cfdc
sha512
118b0cf1f9f77aa34b79dcb4459e308f2f7f2256fe1b5cf869ab2d7b0300389ff37ad93677fcbc1806d685140cd7b4ab9204991d82ce4f6745a7d927bca64927
ripemd-160
328b737353355b039b0b9fa3c9b119fc11dc4101
Diameter
3995378194
Circumference
12551850782.583
Area
1.2537347727769E+19
Volume
3.3394297148082E+28
Surface area
5.0149390911075E+19
Circumference
12551850782.583
Perimeter
7990756388
Area
3990761728272675409
Diagonal
2825159014.3823
Surface area
2.3944570369636E+19
Volume
7.9723011932952E+27
Space diagonal
3460099013.7304
Perimeter
5993067291
Area
1.7280505185674E+18
Altitude
1730049506.8652
Surface area
1.7280505185674E+18
Volume
9.3954470590677E+26
Height
941719671.46075