287130268 is an even 9-digits composite number following 287130267
and preceding 287130269 . In scientific notation, it is written as 2.87130268 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 143450672 positive integers (up to 287130268) that are relatively prime to 287130268.
287130268 has 12 divisors, whose sum is 502878600
The reverse of 287130268 is 862031782
Previous prime number is 1283
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred eighty-seven million one hundred thirty thousand two hundred sixty-eight
Scientific notation
2.87130268 × 10^8
Engineering notation
2.87130268 × 10^6
Prime Factorization
2 × 2 × 1283 × 55949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
143565134
Product of the distinct prime numbers
The prime factorization of 287130268 is 2 × 2 × 1283 × 55949.
Since it has a total of 4 prime factors.
5 , 8 , 44 , 95 , 188 , 909 , 7277 , 268 , 39347 , 60333 , 833347 , 180764 , 5751604 , 198415 , 33114510 , 67971132 , 380115070 , 838399014 , 4595378519 , 6667251832
n×2
574260536
n×3
861390804
n×4
1148521072
n×5
1435651340
n÷2
143565134
n÷3
95710089.333333
n÷3
71782567
n÷5
57426053.6
n2
82443790801751824
n3
2.3672107747843E+25
n4
6.796978641763E+33
n5
1.9516182989997E+42
2 √n
16944.918648374
3 √n
659.72001285905
4 √n
130.17264938678
5 √n
49.160443845283
1 , 2 , 4 , 1283 , 2566 , 5132 , 55949 , 111898 , 223796 , 71782567 , 143565134 , 287130268
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-287130267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 287130268 can be divided by 12 positive divisors.
The sum of these divisors (counting 287130268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10001000111010100001010011100
3
Ternary
202000021201200101
4
Quaternary
101013110022130
5
Quinary
1042001132033
6
Senary
44254110444
8
Octal
2107241234
10
Decimal
287130268
12
Duodecimal
801ab424
16
Hexadecimal
111d429c
20
Vigesimal
49eb5d8
36
Base36
4qy74s
md5
77200254db5d493ea5c748d5cc2dc312
sha1
45208855f1ca11114b7abcba7bd4cb72eb44f945
sha256
471c45ad7ff58dd2a9f68a6f77b16ddae974f5837ae08d0acf54c710175918e0
sha512
0fcb8ab2be8c0bacd7ee5339f173da8695d58e02e98a640b73af50b981ff193c50d53129b87a2079b8e6dd7909faf1b0e5957c45842e37ddfb24898670f7ab68
ripemd-160
d86acbdb1987937d53ded6b4c8230de9f87f1608
Diameter
574260536
Circumference
1804092681.1441
Area
2.5900480751688E+17
Volume
9.9157493060813E+25
Surface area
1.0360192300675E+18
Circumference
1804092681.1441
Perimeter
1148521072
Area
82443790801751824
Diagonal
406063519.17342
Surface area
494662744810510944
Volume
2.3672107747843E+25
Space diagonal
497324212.56687
Perimeter
861390804
Area
3.5699208609303E+16
Altitude
248662106.28343
Surface area
3.5699208609303E+16
Volume
2.7897846522464E+24
Height
135354506.39114