1997403887 is an odd 10-digits prime number following 1997403886
and preceding 1997403888 . In scientific notation, it is written as 1.997403887 × 10^9.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 1997403886 positive integers (up to 1997403887) that are relatively prime to 1997403887.
1997403887 has 2 divisors, whose sum is 1997403888
The reverse of 1997403887 is 7883047991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 56 Digital Root 2
Name
one billion nine hundred ninety-seven million four hundred three thousand eight hundred eighty-seven
Scientific notation
1.997403887 × 10^9
Engineering notation
1.997403887 × 10^9
Prime Factorization
1997403887
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1997403887 Product of the distinct prime numbers
The prime factorization of 1997403887 is 1997403887.
Since it has a total of 1 prime factors.
7 , 1 , 38 , 8 , 331 , 597 , 9476 , 6653 , 81512 , 62369 , 367106 , 148961 , 4371584 , 1440557 , 30669629 , 30646289 , 404440936 , 443640936 , 6907939848 , 2127404353
n×2
3994807774
n×3
5992211661
n×4
7989615548
n×5
9987019435
n÷2
998701943.5
n÷3
665801295.66667
n÷3
499350971.75
n÷5
399480777.4
n2
3989622287802708769
n3
7.968887065319E+27
n4
1.5917085999332E+37
n5
3.1792849444779E+46
2 √n44692.324698991
3 √n1259.3756642769
4 √n211.40559287538
5 √n72.45914049134
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1997403888 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
998701944 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
44692.324710178 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999989987 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997403887 can be divided by 2 positive divisors.
The sum of these divisors (counting 1997403887) is 1997403888, the average is 998701944.
Base
System
Value
2
Binary
1110111000011011111011011101111
3
Ternary
12011012110122000202
4
Quaternary
1313003133123233
5
Quinary
13042313411022
6
Senary
530111144115
8
Octal
16703373357
10
Decimal
1997403887
12
Duodecimal
478b1503b
16
Hexadecimal
770df6ef
20
Vigesimal
1b43f9e7
36
Base36
x17apb
md5
e9ec5e37cea75c843b39ee39af0235c6
sha1
3bacc9c4013353bc29088ad2d746422a2707ce1d
sha256
56561365c902a0e7efd8bc16d3cacf4d8f8235c350dc33e83ac3f20697e239bb
sha512
3d1e9a623b2c425e252de068f35b282b001dc8d1cff94112089741389bb93758b35b66dc7849cbb9304082be26300a591df2aa3df43201209eba4a35a75be71d
ripemd-160
b0b37c4e477391f61ed3573307df39e69aab37be
Diameter
3994807774
Circumference
12550058755.302
Area
1.2533768069959E+19
Volume
3.3379996082257E+28
Surface area
5.0135072279836E+19
Circumference
12550058755.302
Perimeter
7989615548
Area
3989622287802708769
Diagonal
2824755666.5321
Surface area
2.3937733726816E+19
Volume
7.968887065319E+27
Space diagonal
3459605015.5196
Perimeter
5992211661
Area
1.7275571263709E+18
Altitude
1729802507.7598
Surface area
1.7275571263709E+18
Volume
9.3914234706613E+26
Height
941585222.17738