287136989 is an odd 9-digits prime number following 287136988
and preceding 287136990 . In scientific notation, it is written as 2.87136989 × 10^8.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 287136988 positive integers (up to 287136989) that are relatively prime to 287136989.
287136989 has 2 divisors, whose sum is 287136990
The reverse of 287136989 is 989631782
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred eighty-seven million one hundred thirty-six thousand nine hundred eighty-nine
Scientific notation
2.87136989 × 10^8
Engineering notation
2.87136989 × 10^6
Prime Factorization
287136989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
287136989
Product of the distinct prime numbers
The prime factorization of 287136989 is 287136989.
Since it has a total of 1 prime factors.
7 , 1 , 93 , 69 , 518 , 177 , 5281 , 1208 , 71067 , 12322 , 59406 , 549127 , 2444939 , 6172995 , 132263 , 51658026 , 777537368 , 618025955 , 889084888 , 9404784978
n×2
574273978
n×3
861410967
n×4
1148547956
n×5
1435684945
n÷2
143568494.5
n÷3
95712329.666667
n÷3
71784247.25
n÷5
57427397.8
n2
82447650451986121
n3
2.3673770100908E+25
n4
6.7976150650529E+33
n5
1.9518467221603E+42
2 √n
16945.116966253
3 √n
659.72516028295
4 √n
130.17341113397
5 √n
49.160673987686
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
287136990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
143568495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
16945.11699576
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999930347
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 287136989 can be divided by 2 positive divisors.
The sum of these divisors (counting 287136989) is 287136990, the average is 143568495.
Base
System
Value
2
Binary
10001000111010101110011011101
3
Ternary
202000022001220022
4
Quaternary
101013111303131
5
Quinary
1042001340424
6
Senary
44254201525
8
Octal
2107256335
10
Decimal
287136989
12
Duodecimal
801b32a5
16
Hexadecimal
111d5cdd
20
Vigesimal
49ec299
36
Base36
4qycbh
md5
2b3bd3e9609ff0d3a10a24bb3ef48ef3
sha1
2dcbd22e086f1916224b97a2770a8753e5a0dbc2
sha256
7029eaddb5f627ea5e739891bdd735faf0387e4ca40272cfc2fd1721a62e5fde
sha512
02422d97499e3f9f161112265b0154fbe49aec785a4a317f2e6cb1c13c7b894e28cb1ccff01f9dd009d68fef8c62dc13c8fa00dfba3553259cebaf4947365c53
ripemd-160
feb923c297e2bc1b7608a56237c67a14e551b773
Diameter
574273978
Circumference
1804134910.4326
Area
2.590169329657E+17
Volume
9.9164456309047E+25
Surface area
1.0360677318628E+18
Circumference
1804134910.4326
Perimeter
1148547956
Area
82447650451986121
Diagonal
406073024.10277
Surface area
494685902711916726
Volume
2.3673770100908E+25
Space diagonal
497335853.68035
Perimeter
861410967
Area
3.570087988688E+16
Altitude
248667926.84017
Surface area
3.570087988688E+16
Volume
2.7899805624339E+24
Height
135357674.70092