248978887 is an odd 9-digits composite number following 248978886
and preceding 248978888 . In scientific notation, it is written as 2.48978887 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 230470680 positive integers (up to 248978887) that are relatively prime to 248978887.
248978887 has 8 divisors, whose sum is 268185600
The reverse of 248978887 is 788879842
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
two hundred forty-eight million nine hundred seventy-eight thousand eight hundred eighty-seven
Scientific notation
2.48978887 × 10^8
Engineering notation
2.48978887 × 10^6
Prime Factorization
23 × 31 × 349199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
248978887
Product of the distinct prime numbers
The prime factorization of 248978887 is 23 × 31 × 349199.
Since it has a total of 3 prime factors.
1 , 10 , 50 , 87 , 45 , 463 , 6221 , 4980 , 42903 , 54937 , 447831 , 389204 , 152350 , 7124446 , 44980518 , 13600947 , 67872442 , 370709038 , 6550237643 , 8389744848
n×2
497957774
n×3
746936661
n×4
995915548
n×5
1244894435
n÷2
124489443.5
n÷3
82992962.333333
n÷3
62244721.75
n÷5
49795777.4
n2
61990486171758769
n3
1.5434322251633E+25
n4
3.842820375811E+33
n5
9.5678114011035E+41
2 √n
15779.064832873
3 √n
629.10167339594
4 √n
125.61474767269
5 √n
47.778499255499
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
-248978886
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 248978887 can be divided by 8 positive divisors.
The sum of these divisors (counting 248978887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101110001110111000111
3
Ternary
122100111102211021
4
Quaternary
32311301313013
5
Quinary
1002214311022
6
Senary
40412252011
8
Octal
1665616707
10
Decimal
248978887
12
Duodecimal
6b471007
16
Hexadecimal
ed71dc7
20
Vigesimal
3hg2747
36
Base36
448hc7
md5
5fdb88a4825dea7f5a473e1f9c28d536
sha1
f1c4af753f0cb9d6115e7a2d7c6ac06519604d8e
sha256
621e7118ac47104c1a802fcb14922d9931dc473d94e4058f250acce97996962b
sha512
22501b65ef41b0d288859da4320cd5cb5cc06c664e7314613972c9533943d53aa64228a9d40c894d517436c2979c7735b13ee805d561080e55455ad9ba991dc8
ripemd-160
f05d3a82a116090a702cb6aa7093586e81fd4238
Diameter
497957774
Circumference
1564380484.5963
Area
1.9474885594966E+17
Volume
6.4651137865159E+25
Surface area
7.7899542379863E+17
Circumference
1564380484.5963
Perimeter
995915548
Area
61990486171758769
Diagonal
352109318.73996
Surface area
371942917030552614
Volume
1.5434322251633E+25
Space diagonal
431244082.29595
Perimeter
746936661
Area
2.6842667908846E+16
Altitude
215622041.14798
Surface area
2.6842667908846E+16
Volume
1.8189523211914E+24
Height
117369772.91332