248996981 is an odd 9-digits composite number following 248996980
and preceding 248996982 . In scientific notation, it is written as 2.48996981 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 247424800 positive integers (up to 248996981) that are relatively prime to 248996981.
248996981 has 8 divisors, whose sum is 250573824
The reverse of 248996981 is 189699842
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
two hundred forty-eight million nine hundred ninety-six thousand nine hundred eighty-one
Scientific notation
2.48996981 × 10^8
Engineering notation
2.48996981 × 10^6
Prime Factorization
953 × 227 × 1151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
248996981
Product of the distinct prime numbers
The prime factorization of 248996981 is 953 × 227 × 1151.
Since it has a total of 3 prime factors.
5 , 6 , 23 , 44 , 610 , 801 , 8196 , 4637 , 73981 , 32964 , 136882 , 355146 , 3090142 , 8611643 , 60806015 , 84553701 , 916586817 , 748266818 , 3060990607 , 139829483
n×2
497993962
n×3
746990943
n×4
995987924
n×5
1244984905
n÷2
124498490.5
n÷3
82998993.666667
n÷3
62249245.25
n÷5
49799396.2
n2
61999496547114361
n3
1.5437687463751E+25
n4
3.8439375720956E+33
n5
9.5712885060429E+41
2 √n
15779.638177094
3 √n
629.1169125595
4 √n
125.61702980525
5 √n
47.779193675052
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
-248996980
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 248996981 can be divided by 8 positive divisors.
The sum of these divisors (counting 248996981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101110110010001110101
3
Ternary
122100112100122102
4
Quaternary
32311312101311
5
Quinary
1002220400411
6
Senary
40412511445
8
Octal
1665662165
10
Decimal
248996981
12
Duodecimal
6b47b585
16
Hexadecimal
ed76475
20
Vigesimal
3hg4c91
36
Base36
448vat
md5
ee563c03dea65f3c591ca495c4849a79
sha1
56f20fde5b83e7ea7663e9261bdfa8ef59b15ba0
sha256
c39bf525bebc0f030e3c2c2739fd4a50178df154abe0781d79d75923a7632c50
sha512
dac8f6372add5494f1ca3de1396ae945640f13aba80da0979fadc1e348b5e91637c37aa078c8c872686484831cec76b678fe47b0b8ea28981754f1809c559711
ripemd-160
00085e7ad4245b6cae79ee4bb505bf54b8335c13
Diameter
497993962
Circumference
1564494172.5513
Area
1.9477716287868E+17
Volume
6.4665234032716E+25
Surface area
7.7910865151472E+17
Circumference
1564494172.5513
Perimeter
995987924
Area
61999496547114361
Diagonal
352134907.52016
Surface area
371996979282686166
Volume
1.5437687463751E+25
Space diagonal
431275422.02326
Perimeter
746990943
Area
2.6846569515823E+16
Altitude
215637711.01163
Surface area
2.6846569515823E+16
Volume
1.8193489152429E+24
Height
117378302.50672