228386987 is an odd 9-digits composite number following 228386986
and preceding 228386988 . In scientific notation, it is written as 2.28386987 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 215195112 positive integers (up to 228386987) that are relatively prime to 228386987.
228386987 has 8 divisors, whose sum is 241875456
The reverse of 228386987 is 789683822
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred twenty-eight million three hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
2.28386987 × 10^8
Engineering notation
2.28386987 × 10^6
Prime Factorization
23 × 67 × 148207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
228386987
Product of the distinct prime numbers
The prime factorization of 228386987 is 23 × 67 × 148207.
Since it has a total of 3 prime factors.
7 , 10 , 69 , 56 , 947 , 299 , 4680 , 3184 , 75928 , 77816 , 342791 , 791789 , 9723483 , 6132085 , 74382728 , 38008028 , 972581169 , 857820973 , 8458843743 , 3770449612
n×2
456773974
n×3
685160961
n×4
913547948
n×5
1141934935
n÷2
114193493.5
n÷3
76128995.666667
n÷3
57096746.75
n÷5
45677397.4
n2
52160615830938169
n3
1.1912805889692E+25
n4
2.7207298438627E+33
n5
6.2137929148079E+41
2 √n
15112.477857717
3 √n
611.25691473339
4 √n
122.93281847301
5 √n
46.960668545331
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-228386986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 228386987 can be divided by 8 positive divisors.
The sum of these divisors (counting 228386987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100111001110100010101011
3
Ternary
120220202021001022
4
Quaternary
31213032202223
5
Quinary
431431340422
6
Senary
34355043055
8
Octal
1547164253
10
Decimal
228386987
12
Duodecimal
645a048b
16
Hexadecimal
d9ce8ab
20
Vigesimal
3b78797
36
Base36
3rz4iz
md5
4bbbd8f6818e1ecc41498e5b34d7fbd3
sha1
b3174105a69f0be53f2abd3dec1294097bff40cc
sha256
82467b2f0eac500d2294b959712cf309d05ba7fc4a79917451969c0287ed1bd6
sha512
6e8600f5d6c979c56b3c993a40ee94a47bc306ecd6e5244a80c48122131661bf10b62977a42fc8b23ceca8676c6c0dc7389ddf24f72d2804d1483de0f55abc90
ripemd-160
87ee63b9f7e2e043bdde7f7486893cd8cae7ffac
Diameter
456773974
Circumference
1434997761.0694
Area
1.6386740750119E+17
Volume
4.9900244622265E+25
Surface area
6.5546963000478E+17
Circumference
1434997761.0694
Perimeter
913547948
Area
52160615830938169
Diagonal
322987974.48493
Surface area
312963694985629014
Volume
1.1912805889692E+25
Space diagonal
395577865.27157
Perimeter
685160961
Area
2.2586209193317E+16
Altitude
197788932.63579
Surface area
2.2586209193317E+16
Volume
1.4039376379268E+24
Height
107662658.16164