249771421 is an odd 9-digits composite number following 249771420
and preceding 249771422 . In scientific notation, it is written as 2.49771421 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 238526112 positive integers (up to 249771421) that are relatively prime to 249771421.
249771421 has 8 divisors, whose sum is 261051840
The reverse of 249771421 is 124177942
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred forty-nine million seven hundred seventy-one thousand four hundred twenty-one
Scientific notation
2.49771421 × 10^8
Engineering notation
2.49771421 × 10^6
Prime Factorization
23 × 643 × 16889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
249771421
Product of the distinct prime numbers
The prime factorization of 249771421 is 23 × 643 × 16889.
Since it has a total of 3 prime factors.
8 , 10 , 31 , 40 , 668 , 509 , 6317 , 9153 , 86153 , 72823 , 747621 , 603813 , 9277821 , 2934867 , 77576732 , 42697702 , 802950055 , 83649979 , 5050387882 , 3257662174
n×2
499542842
n×3
749314263
n×4
999085684
n×5
1248857105
n÷2
124885710.5
n÷3
83257140.333333
n÷3
62442855.25
n÷5
49954284.2
n2
62385762748359241
n3
1.5582180611827E+25
n4
3.8919833936946E+33
n5
9.7210622275149E+41
2 √n
15804.158345195
3 √n
629.76847207409
4 √n
125.71459082062
5 √n
47.808877705882
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
-249771420
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 249771421 can be divided by 8 positive divisors.
The sum of these divisors (counting 249771421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000110011010110011101
3
Ternary
122101222200222101
4
Quaternary
32320303112131
5
Quinary
1002420141141
6
Senary
40441245101
8
Octal
1670632635
10
Decimal
249771421
12
Duodecimal
6b793791
16
Hexadecimal
ee3359d
20
Vigesimal
3i118b1
36
Base36
44pgv1
md5
91a0ff8d66b80bc80d20983c6fcca6b1
sha1
cd7abe9b169ebab369cd2b0f6f652187a6308ee1
sha256
ede78b9d44a35bc4ec4b0f7553e47eb9cadccdff0ca3f54d9ba140276626f213
sha512
3fe68cd08c2aca46f4185e68998a8d997200e1d407f44c41a2d96d07835d66508d543f7a920a48ed7eea601c41720ae678e37ebb0fe19bf560d90f6f8d88a983
ripemd-160
036277ff05043170b7b1217b4cedf7119ae5e395
Diameter
499542842
Circumference
1569360122.5806
Area
1.9599065393884E+17
Volume
6.5270485516031E+25
Surface area
7.8396261575536E+17
Circumference
1569360122.5806
Perimeter
999085684
Area
62385762748359241
Diagonal
353230131.0714
Surface area
374314576490155446
Volume
1.5582180611827E+25
Space diagonal
432616791.45068
Perimeter
749314263
Area
2.7013827687274E+16
Altitude
216308395.72534
Surface area
2.7013827687274E+16
Volume
1.8363775960494E+24
Height
117743377.0238