1997029791 is an odd 10-digits composite number following 1997029790
and preceding 1997029792 . In scientific notation, it is written as 1.997029791 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 1327874784 positive integers (up to 1997029791) that are relatively prime to 1997029791.
1997029791 has 8 divisors, whose sum is 2224719360
The reverse of 1997029791 is 1979207991
Previous prime number is 383
Is Prime? no Number parity odd Number length 10 Sum of Digits 54 Digital Root 9
Name
one billion nine hundred ninety-seven million twenty-nine thousand seven hundred ninety-one
Scientific notation
1.997029791 × 10^9
Engineering notation
1.997029791 × 10^9
Prime Factorization
9 × 383 × 579353
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1997029791 Product of the distinct prime numbers
The prime factorization of 1997029791 is 9 × 383 × 579353.
Since it has a total of 3 prime factors.
2 , 8 , 37 , 29 , 323 , 260 , 5978 , 3120 , 95619 , 17574 , 750964 , 88252 , 2192895 , 5670041 , 70943034 , 61735103 , 294252412 , 754883838 , 9316419929 , 5712427152
n×2
3994059582
n×3
5991089373
n×4
7988119164
n×5
9985148955
n÷2
998514895.5
n÷3
665676597
n÷3
499257447.75
n÷5
399405958.2
n2
3988127986141503681
n3
7.9644103986454E+27
n4
1.5905164833845E+37
n5
3.1763088003954E+46
2 √n44688.139265358
3 √n1259.2970360773
4 √n211.39569358281
5 √n72.456426097344
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
-1997029790 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 1997029791 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997029791) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000010000100000110011111
3
Ternary
12011011202121212100
4
Quaternary
1313002010012133
5
Quinary
13042214423131
6
Senary
530055140143
8
Octal
16702040637
10
Decimal
1997029791
12
Duodecimal
478974653
16
Hexadecimal
7708419f
20
Vigesimal
1b418e9b
36
Base36
x0za1r
md5
fb47902484a7532b9406a112ebfe3e71
sha1
450cc35432afee0397c302c0ed61f6a27f46a671
sha256
6aed1e1ebc6727ec8036026d171c08b97a1cc33245c92140ee16fd4208fffea3
sha512
1ce51bcf44c332a204d443ac53c3a6646cc3fe3e9da3bda71b2239bcd41608ad60179736394c12e89a654893d4ed99c75673d4bf34e430b705f8927c9e7a67f1
ripemd-160
ae57190b2acb4b42b6227cc55aebac3a0f0f18d8
Diameter
3994059582
Circumference
12547708240.811
Area
1.2529073582838E+19
Volume
3.3361244264745E+28
Surface area
5.0116294331352E+19
Circumference
12547708240.811
Perimeter
7988119164
Area
3988127986141503681
Diagonal
2824226614.8953
Surface area
2.3928767916849E+19
Volume
7.9644103986454E+27
Space diagonal
3458957062.2407
Perimeter
5991089373
Area
1.7269100747711E+18
Altitude
1729478531.1203
Surface area
1.7269100747711E+18
Volume
9.3861476683914E+26
Height
941408871.63177