389976987 is an odd 9-digits composite number following 389976986
and preceding 389976988 . In scientific notation, it is written as 3.89976987 × 10^8.
The sum of its digits is 66. It has a total of 2 prime factors and 4 positive divisors.
There are 259984656 positive integers (up to 389976987) that are relatively prime to 389976987.
389976987 has 4 divisors, whose sum is 519969320
The reverse of 389976987 is 789679983
Previous prime number is 3
Is Prime? no Number parity odd Number length 9 Sum of Digits 66 Digital Root 3
Name
three hundred eighty-nine million nine hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
3.89976987 × 10^8
Engineering notation
3.89976987 × 10^6
Prime Factorization
3 × 129992329
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
389976987 Product of the distinct prime numbers
The prime factorization of 389976987 is 3 × 129992329.
Since it has a total of 2 prime factors.
3 , 4 , 85 , 18 , 690 , 349 , 9482 , 2824 , 61169 , 20842 , 945959 , 950484 , 6143208 , 3315342 , 99606426 , 74081778 , 377368758 , 538706672 , 5063906108 , 8581687895
n×2
779953974
n×3
1169930961
n×4
1559907948
n×5
1949884935
n÷2
194988493.5
n÷3
129992329
n÷3
97494246.75
n÷5
77995397.4
n2
152082050389598169
n3
5.9308499787718E+25
n4
2.3128950050704E+34
n5
9.0197582532472E+42
2 √n19747.83499526
3 √n730.59998650121
4 √n140.52699027326
5 √n52.264619854323
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-389976986 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389976987 can be divided by 4 positive divisors.
The sum of these divisors (counting 389976987) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001111101001001110011011
3
Ternary
1000011210212212010
4
Quaternary
113033221032123
5
Quinary
1244313230422
6
Senary
102410321003
8
Octal
2717511633
10
Decimal
389976987
12
Duodecimal
aa729163
16
Hexadecimal
173e939b
20
Vigesimal
61h7297
36
Base36
6g6k63
md5
c28e459301423301165e2b9a04cb2462
sha1
699616e394eca84a87a0881e621ad3d9237f213e
sha256
ba175faffd46121f6ac3608d9208bd3125c57c2c3f4b84558f1e01fdeeb01ad8
sha512
0061345ebbdebef30af81b4be63aad0151b41ee910c1dd72fa93696803b710d9a4de9a6fc97a0f090858a286f33ae835a463d533210765494a5e5acee9cb443c
ripemd-160
3beb366129c71b67f2ac768e059bd0ab48150cb4
Diameter
779953974
Circumference
2450297674.8566
Area
4.7777985224683E+17
Volume
2.4843086297137E+26
Surface area
1.9111194089873E+18
Circumference
2450297674.8566
Perimeter
1559907948
Area
152082050389598169
Diagonal
551510744.0288
Surface area
912492302337589014
Volume
5.9308499787718E+25
Space diagonal
675459955.26663
Perimeter
1169930961
Area
6.5853459548509E+16
Altitude
337729977.63331
Surface area
6.5853459548509E+16
Volume
6.989573730316E+24
Height
183836914.67627