248978891 is an odd 9-digits composite number following 248978890
and preceding 248978892 . In scientific notation, it is written as 2.48978891 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 206046624 positive integers (up to 248978891) that are relatively prime to 248978891.
248978891 has 12 divisors, whose sum is 294704592
The reverse of 248978891 is 198879842
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
two hundred forty-eight million nine hundred seventy-eight thousand eight hundred ninety-one
Scientific notation
2.48978891 × 10^8
Engineering notation
2.48978891 × 10^6
Prime Factorization
7 × 29 × 29 × 42293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8585479
Product of the distinct prime numbers
The prime factorization of 248978891 is 7 × 29 × 29 × 42293.
Since it has a total of 4 prime factors.
7 , 6 , 20 , 59 , 47 , 161 , 6881 , 5636 , 28542 , 56369 , 498500 , 341985 , 2125366 , 2231865 , 89025083 , 33125333 , 582143783 , 448745163 , 4070780934 , 8524287328
n×2
497957782
n×3
746936673
n×4
995915564
n×5
1244894455
n÷2
124489445.5
n÷3
82992963.666667
n÷3
62244722.75
n÷5
49795778.2
n2
61990488163589881
n3
1.5434322995519E+25
n4
3.8428206227602E+33
n5
9.5678121696676E+41
2 √n
15779.064959623
3 √n
629.10167676491
4 √n
125.61474817721
5 √n
47.778499409017
1 , 7 , 29 , 203 , 841 , 5887 , 42293 , 296051 , 1226497 , 8585479 , 35568413 , 248978891
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
-248978890
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 248978891 can be divided by 12 positive divisors.
The sum of these divisors (counting 248978891) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101110001110111001011
3
Ternary
122100111102211102
4
Quaternary
32311301313023
5
Quinary
1002214311031
6
Senary
40412252015
8
Octal
1665616713
10
Decimal
248978891
12
Duodecimal
6b47100b
16
Hexadecimal
ed71dcb
20
Vigesimal
3hg274b
36
Base36
448hcb
md5
e05b659eddf4cfdc84b34179e3d44b49
sha1
09044137d95a007788d889abd75ac8ded33c063a
sha256
39d0d940813230b0cff6780df09b5af92accf85c78c075ffac6c8cae8d8e6577
sha512
9c92caf658c6b4eedfc786e66d7c6e6844271383769ea9941ac0b3a95e8ded00bfd35df86a14cdb8574babbefa97d5928cd4b6e47a35f80d0f03bba454c4d750
ripemd-160
0c347e95ab9873a75e6df856240d013009bc52c1
Diameter
497957782
Circumference
1564380509.7291
Area
1.9474886220718E+17
Volume
6.465114098114E+25
Surface area
7.7899544882872E+17
Circumference
1564380509.7291
Perimeter
995915564
Area
61990488163589881
Diagonal
352109324.39681
Surface area
371942928981539286
Volume
1.5434322995519E+25
Space diagonal
431244089.22415
Perimeter
746936673
Area
2.6842668771334E+16
Altitude
215622044.61208
Surface area
2.6842668771334E+16
Volume
1.8189524088592E+24
Height
117369774.79894