1997557488 is an even 10-digits composite number following 1997557487
and preceding 1997557489 . In scientific notation, it is written as 1.997557488 × 10^9.
The sum of its digits is 63. It has a total of 6 prime factors and 20 positive divisors.
There are 665852448 positive integers (up to 1997557488) that are relatively prime to 1997557488.
1997557488 has 20 divisors, whose sum is 4300297680
The reverse of 1997557488 is 8847557991
Previous prime number is 9
Is Prime? no
Number parity even
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion nine hundred ninety-seven million five hundred fifty-seven thousand four hundred eighty-eight
Scientific notation
1.997557488 × 10^9
Engineering notation
1.997557488 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 9 × 13871927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
249694686
Product of the distinct prime numbers
The prime factorization of 1997557488 is 2 × 2 × 2 × 2 × 9 × 13871927.
Since it has a total of 6 prime factors.
6 , 2 , 67 , 83 , 142 , 89 , 4942 , 5705 , 39831 , 52508 , 838370 , 417189 , 9835253 , 8556208 , 34146656 , 36818481 , 658761750 , 535501985 , 4418981592 , 1016963230
n×2
3995114976
n×3
5992672464
n×4
7990229952
n×5
9987787440
n÷2
998778744
n÷3
665852496
n÷3
499389372
n÷5
399511497.6
n2
3990235917864870144
n3
7.9707256366175E+27
n4
1.5921982680219E+37
n5
3.1805075726678E+46
2 √n
44694.043093012
3 √n
1259.4079455803
4 √n
211.40965704767
5 √n
72.460254883293
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 13871927 , 27743854 , 55487708 , 110975416 , 124847343 , 221950832 , 249694686 , 499389372 , 998778744 , 1997557488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1997557487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997557488 can be divided by 20 positive divisors.
The sum of these divisors (counting 1997557488) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110111000100000100111011110000
3
Ternary
12011012202102201200
4
Quaternary
1313010010323300
5
Quinary
13042333314423
6
Senary
530114331200
8
Octal
16704047360
10
Decimal
1997557488
12
Duodecimal
478b89b00
16
Hexadecimal
77104ef0
20
Vigesimal
1b44ede8
36
Base36
x1al80
md5
df19bab3b5bd1cb2b9022d1c39dad943
sha1
3bfcba1177c5d8a88eecfb2df6d086b126264b6b
sha256
30a310da00010d2be551787b23811b78c4613268bb70a81cade476c37d55ab36
sha512
4ba23ff1a4f44f15ad4f66688d7536d5e1491ec88755c461c2a591f9b467b055df89101d12e7723c86902d2fdc7ac390041593d6a06b4046275be91909d36091
ripemd-160
d6298faed9770af3f4b918f5951f4e5e1234026a
Diameter
3995114976
Circumference
12551023858.848
Area
1.2535695845654E+19
Volume
3.3387697471703E+28
Surface area
5.0142783382618E+19
Circumference
12551023858.848
Perimeter
7990229952
Area
3990235917864870144
Diagonal
2824972891.1495
Surface area
2.3941415507189E+19
Volume
7.9707256366175E+27
Space diagonal
3459871060.2557
Perimeter
5992672464
Area
1.727822835982E+18
Altitude
1729935530.1278
Surface area
1.727822835982E+18
Volume
9.3935902477162E+26
Height
941657630.38318