1997488943 is an odd 10-digits composite number following 1997488942
and preceding 1997488944 . In scientific notation, it is written as 1.997488943 × 10^9.
The sum of its digits is 62. It has a total of 3 prime factors and 8 positive divisors.
There are 1891266840 positive integers (up to 1997488943) that are relatively prime to 1997488943.
1997488943 has 8 divisors, whose sum is 2103832320
The reverse of 1997488943 is 3498847991
Previous prime number is 1787
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 62
Digital Root 8
Name
one billion nine hundred ninety-seven million four hundred eighty-eight thousand nine hundred forty-three
Scientific notation
1.997488943 × 10^9
Engineering notation
1.997488943 × 10^9
Prime Factorization
19 × 1787 × 58831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1997488943
Product of the distinct prime numbers
The prime factorization of 1997488943 is 19 × 1787 × 58831.
Since it has a total of 3 prime factors.
9 , 9 , 58 , 57 , 522 , 93 , 5094 , 4314 , 23713 , 91915 , 963763 , 591993 , 5343890 , 8343553 , 48011221 , 76964079 , 392960387 , 830138234 , 6179312009 , 2756876528
n×2
3994977886
n×3
5992466829
n×4
7989955772
n×5
9987444715
n÷2
998744471.5
n÷3
665829647.66667
n÷3
499372235.75
n÷5
399497788.6
n2
3989962077407257249
n3
7.9699051326103E+27
n4
1.5919797379148E+37
n5
3.1799619239649E+46
2 √n
44693.276261648
3 √n
1259.3935401368
4 √n
211.40784342509
5 √n
72.459757590337
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
-1997488942
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 1997488943 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997488943) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000011110100001100101111
3
Ternary
12011012121221200222
4
Quaternary
1313003310030233
5
Quinary
13042324121233
6
Senary
530113041555
8
Octal
16703641457
10
Decimal
1997488943
12
Duodecimal
478b562bb
16
Hexadecimal
770f432f
20
Vigesimal
1b446273
36
Base36
x194bz
md5
aec759ad025b4fdbcb27d19e54b7d419
sha1
b2ac2ca86869de67745693653a2950838ccd9213
sha256
846f3dc020830d86cf2f869bcae87c610b68e320b9821f95ad5cc4b1b8fc6daa
sha512
5a3af0687002512db6aeafd1dd59c3784e5838e34b232b8ab25e56a743e95a7afc06b14c02439f9eb510f9e975072f8de70240e8abb232d92a935b2007b818ea
ripemd-160
ba96a3ff57e527cb0baa948e521bf4f1af31f661
Diameter
3994977886
Circumference
12550593177.911
Area
1.2534835550485E+19
Volume
3.3384260552555E+28
Surface area
5.0139342201938E+19
Circumference
12550593177.911
Perimeter
7989955772
Area
3989962077407257249
Diagonal
2824875953.8809
Surface area
2.3939772464444E+19
Volume
7.9699051326103E+27
Space diagonal
3459752336.8331
Perimeter
5992466829
Area
1.7277042595856E+18
Altitude
1729876168.4165
Surface area
1.7277042595856E+18
Volume
9.3926232744704E+26
Height
941625317.9603