1997555145 is an odd 10-digits composite number following 1997555144
and preceding 1997555146 . In scientific notation, it is written as 1.997555145 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 1065120320 positive integers (up to 1997555145) that are relatively prime to 1997555145.
1997555145 has 16 divisors, whose sum is 3196815552
The reverse of 1997555145 is 5415557991
Previous prime number is 5333
Is Prime? no Number parity odd Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion nine hundred ninety-seven million five hundred fifty-five thousand one hundred forty-five
Scientific notation
1.997555145 × 10^9
Engineering notation
1.997555145 × 10^9
Prime Factorization
3 × 5 × 5333 × 24971
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1997555145 Product of the distinct prime numbers
The prime factorization of 1997555145 is 3 × 5 × 5333 × 24971.
Since it has a total of 4 prime factors.
5 , 10 , 90 , 17 , 775 , 333 , 3968 , 3464 , 8690 , 30327 , 612593 , 75250 , 2443301 , 1721201 , 83695998 , 87617093 , 491479392 , 752160495 , 3627700626 , 2685817888
n×2
3995110290
n×3
5992665435
n×4
7990220580
n×5
9987775725
n÷2
998777572.5
n÷3
665851715
n÷3
499388786.25
n÷5
399511029
n2
3990226557315971025
n3
7.9706975892822E+27
n4
1.592190797871E+37
n5
3.1804889201088E+46
2 √n44694.016881457
3 √n1259.40745318
4 √n211.40959505533
5 √n72.460237885089
1 , 3 , 5 , 15 , 5333 , 15999 , 24971 , 26665 , 74913 , 79995 , 124855 , 374565 , 133170343 , 399511029 , 665851715 , 1997555145
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1997555144 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997555145 can be divided by 16 positive divisors.
The sum of these divisors (counting 1997555145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000100000100010111001001
3
Ternary
12011012202022111220
4
Quaternary
1313010010113021
5
Quinary
13042333231040
6
Senary
530114312253
8
Octal
16704042711
10
Decimal
1997555145
12
Duodecimal
478b88689
16
Hexadecimal
771045c9
20
Vigesimal
1b44e7h5
36
Base36
x1ajex
md5
b67b5b4c32321db10f291274a836233e
sha1
adb31e062723b0df77701569f5e3db97c5949cc3
sha256
c5084519503cc434a768bb857822a791304d23a913c64623243f05050ecd5dc5
sha512
ff17453827dcfe247d4254f52e13638e9f2216788d3fe3aa2aa21e4ae3a37b9982c71009db0a6582ff415a4c1a875c73e9250c6ffccdc1fafc0cb914871f3daf
ripemd-160
2afa9101fc67c28e6344aa187a2d2a04528af09a
Diameter
3995110290
Circumference
12551009137.345
Area
1.2535666438623E+19
Volume
3.33875799873E+28
Surface area
5.0142665754491E+19
Circumference
12551009137.345
Perimeter
7990220580
Area
3990226557315971025
Diagonal
2824969577.6472
Surface area
2.3941359343896E+19
Volume
7.9706975892822E+27
Space diagonal
3459867002.0606
Perimeter
5992665435
Area
1.7278187827455E+18
Altitude
1729933501.0303
Surface area
1.7278187827455E+18
Volume
9.3935571936145E+26
Height
941656525.88238