1997311947 is an odd 10-digits composite number following 1997311946
and preceding 1997311948 . In scientific notation, it is written as 1.997311947 × 10^9.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 1331541296 positive integers (up to 1997311947) that are relatively prime to 1997311947.
1997311947 has 4 divisors, whose sum is 2663082600
The reverse of 1997311947 is 7491137991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion nine hundred ninety-seven million three hundred eleven thousand nine hundred forty-seven
Scientific notation
1.997311947 × 10^9
Engineering notation
1.997311947 × 10^9
Prime Factorization
3 × 665770649
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1997311947
Product of the distinct prime numbers
The prime factorization of 1997311947 is 3 × 665770649.
Since it has a total of 2 prime factors.
5 , 1 , 9 , 98 , 579 , 982 , 6593 , 6921 , 64028 , 82506 , 48554 , 785805 , 5333411 , 2461478 , 48444109 , 55243628 , 458527612 , 649419670 , 2278834305 , 7131121571
n×2
3994623894
n×3
5991935841
n×4
7989247788
n×5
9986559735
n÷2
998655973.5
n÷3
665770649
n÷3
499327986.75
n÷5
399462389.4
n2
3989255013628930809
n3
7.9677866983507E+27
n4
1.5914155563764E+37
n5
3.1785533033921E+46
2 √n
44691.296098905
3 √n
1259.3563410651
4 √n
211.40316009678
5 √n
72.458473423845
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1997311946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997311947 can be divided by 4 positive divisors.
The sum of these divisors (counting 1997311947) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000011001000111111001011
3
Ternary
12011012021221220120
4
Quaternary
1313003020333023
5
Quinary
13042302440242
6
Senary
530105154323
8
Octal
16703107713
10
Decimal
1997311947
12
Duodecimal
478a8b9a3
16
Hexadecimal
770c8fcb
20
Vigesimal
1b433jh7
36
Base36
x15brf
md5
bd9ed6e60c927629d927482bb442840d
sha1
ad9763c54e2178b2ab384a210b0f6335ab0efcc6
sha256
8813bd618b10135bce86fae13dd0da89a3520d57353a3ccce60ccd76bab92c34
sha512
dd8cd47ddf13cd2c691414fdc383f651409cacb883167d53927a0783224928786f77c4a758f5d7894e91c71405797ce3e52a223eb4a42a643b9d585459928c17
ripemd-160
dfe060f83933e08cadfc2245aba9d9ddfe4ac3f9
Diameter
3994623894
Circumference
12549481079.245
Area
1.2532614244113E+19
Volume
3.3375386875879E+28
Surface area
5.0130456976452E+19
Circumference
12549481079.245
Perimeter
7989247788
Area
3989255013628930809
Diagonal
2824625643.7372
Surface area
2.3935530081774E+19
Volume
7.9677866983507E+27
Space diagonal
3459445770.7683
Perimeter
5991935841
Area
1.7273980919885E+18
Altitude
1729722885.3842
Surface area
1.7273980919885E+18
Volume
9.3901266757529E+26
Height
941541881.24574