286987138 is an even 9-digits composite number following 286987137
and preceding 286987139 . In scientific notation, it is written as 2.86987138 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 142430400 positive integers (up to 286987138) that are relatively prime to 286987138.
286987138 has 16 divisors, whose sum is 433683360
The reverse of 286987138 is 831789682
Previous prime number is 379
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
two hundred eighty-six million nine hundred eighty-seven thousand one hundred thirty-eight
Scientific notation
2.86987138 × 10^8
Engineering notation
2.86987138 × 10^6
Prime Factorization
2 × 241 × 379 × 1571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
286987138
Product of the distinct prime numbers
The prime factorization of 286987138 is 2 × 241 × 379 × 1571.
Since it has a total of 4 prime factors.
7 , 7 , 60 , 49 , 36 , 203 , 9665 , 5262 , 73724 , 56317 , 103364 , 999455 , 197488 , 3354227 , 65339892 , 73671078 , 1170918 , 899838660 , 3207787475 , 4521708927
n×2
573974276
n×3
860961414
n×4
1147948552
n×5
1434935690
n÷2
143493569
n÷3
95662379.333333
n÷3
71746784.5
n÷5
57397427.6
n2
82361617377431044
n3
2.36367248522E+25
n4
6.7834360170264E+33
n5
1.9467588883325E+42
2 √n
16940.694731917
3 √n
659.61037456332
4 √n
130.15642409008
5 √n
49.15554172347
1 , 2 , 241 , 379 , 482 , 758 , 1571 , 3142 , 91339 , 182678 , 378611 , 595409 , 757222 , 1190818 , 143493569 , 286987138
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-286987137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 286987138 can be divided by 16 positive divisors.
The sum of these divisors (counting 286987138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001000110110001001110000010
3
Ternary
202000000110100021
4
Quaternary
101012301032002
5
Quinary
1041432042023
6
Senary
44251044054
8
Octal
2106611602
10
Decimal
286987138
12
Duodecimal
8014062a
16
Hexadecimal
111b1382
20
Vigesimal
49dd7gi
36
Base36
4qv4oy
md5
319ef2b4fb31575c6b099cf27fc80a28
sha1
4aa27d220a40f2cfb4a4f88b9859c5b7f416127f
sha256
ac37ca2c84ba5fb2e631ba5b1fed750104e2be5e6628d7485e4c22a3b26a9d51
sha512
236fad7ace98e63bd66cf42c1d8d9c606df51b7df72bd5ba2b4552dd855ca738c256993f39cc8cae5687d6cf499df1d8dd3ec4cc5028df1f9857ba1cb5f2b18f
ripemd-160
053dd36a9916855a2ff1f7b6e356be26cc8b7969
Diameter
573974276
Circumference
1803193368.8311
Area
2.5874665209071E+17
Volume
9.9009281534126E+25
Surface area
1.0349866083628E+18
Circumference
1803193368.8311
Perimeter
1147948552
Area
82361617377431044
Diagonal
405861102.78624
Surface area
494169704264586264
Volume
2.36367248522E+25
Space diagonal
497076304.13478
Perimeter
860961414
Area
3.5663626472815E+16
Altitude
248538152.06739
Surface area
3.5663626472815E+16
Volume
2.7856147380052E+24
Height
135287034.26208