1997478545 is an odd 10-digits composite number following 1997478544
and preceding 1997478546 . In scientific notation, it is written as 1.997478545 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 1589870464 positive integers (up to 1997478545) that are relatively prime to 1997478545.
1997478545 has 8 divisors, whose sum is 2409142824
The reverse of 1997478545 is 5458747991
Previous prime number is 197
Is Prime? no Number parity odd Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion nine hundred ninety-seven million four hundred seventy-eight thousand five hundred forty-five
Scientific notation
1.997478545 × 10^9
Engineering notation
1.997478545 × 10^9
Prime Factorization
5 × 197 × 2027897
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1997478545 Product of the distinct prime numbers
The prime factorization of 1997478545 is 5 × 197 × 2027897.
Since it has a total of 3 prime factors.
9 , 1 , 30 , 19 , 690 , 985 , 6279 , 4214 , 82789 , 65838 , 786703 , 755446 , 8602391 , 2002068 , 72526488 , 17606953 , 616884516 , 676676010 , 8907449334 , 7054910402
n×2
3994957090
n×3
5992435635
n×4
7989914180
n×5
9987392725
n÷2
998739272.5
n÷3
665826181.66667
n÷3
499369636.25
n÷5
399495709
n2
3989920537735317025
n3
7.9697806703812E+27
n4
1.5919465897442E+37
n5
3.1798791578E+46
2 √n44693.159935274
3 √n1259.3913548603
4 √n211.40756830179
5 √n72.459682151809
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
-1997478544 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 1997478545 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997478545) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000011110001101010010001
3
Ternary
12011012121102102212
4
Quaternary
1313003301222101
5
Quinary
13042323303140
6
Senary
530112521505
8
Octal
16703615221
10
Decimal
1997478545
12
Duodecimal
478b50295
16
Hexadecimal
770f1a91
20
Vigesimal
1b444g75
36
Base36
x18wb5
md5
fa6a4c4986d2dae0bd408a3877b8c393
sha1
eed7059b06c29f71a4dc81cff119bf1c21efb2a4
sha256
3394326424f3e4e93f4f8581fc0b7abe13a92be5d0ff5c4194899fc08776b807
sha512
7c64a01ed6a6c81311842bbd07182c1e7b34514b9146c44665868847c64b15554c7429e001d822ce9c20c23ebfa64444b057848457ad371d5ab5e43846edee17
ripemd-160
f28bd1315d1920dcf5e589a8bf3a028e09bca3be
Diameter
3994957090
Circumference
12550527845.35
Area
1.2534705049756E+19
Volume
3.3383739206389E+28
Surface area
5.0138820199025E+19
Circumference
12550527845.35
Perimeter
7989914180
Area
3989920537735317025
Diagonal
2824861248.8883
Surface area
2.3939523226412E+19
Volume
7.9697806703812E+27
Space diagonal
3459734326.9688
Perimeter
5992435635
Area
1.72768627238E+18
Altitude
1729867163.4844
Surface area
1.72768627238E+18
Volume
9.3924765943266E+26
Height
941620416.29609