249743161 is an odd 9-digits composite number following 249743160
and preceding 249743162 . In scientific notation, it is written as 2.49743161 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 241686900 positive integers (up to 249743161) that are relatively prime to 249743161.
249743161 has 4 divisors, whose sum is 257799424
The reverse of 249743161 is 161347942
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred forty-nine million seven hundred forty-three thousand one hundred sixty-one
Scientific notation
2.49743161 × 10^8
Engineering notation
2.49743161 × 10^6
Prime Factorization
31 × 8056231
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
249743161
Product of the distinct prime numbers
The prime factorization of 249743161 is 31 × 8056231.
Since it has a total of 2 prime factors.
5 , 2 , 1 , 59 , 942 , 745 , 8467 , 2427 , 33461 , 65825 , 674791 , 826676 , 4759266 , 2568398 , 58642049 , 95765102 , 772461303 , 61467486 , 9037225649 , 3906585293
n×2
499486322
n×3
749229483
n×4
998972644
n×5
1248715805
n÷2
124871580.5
n÷3
83247720.333333
n÷3
62435790.25
n÷5
49948632.2
n2
62371646466271921
n3
1.5576892145261E+25
n4
3.8902222829136E+33
n5
9.7155640992748E+41
2 √n
15803.264251413
3 √n
629.74471978596
4 √n
125.71103472414
5 √n
47.807795804655
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-249743160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 249743161 can be divided by 4 positive divisors.
The sum of these divisors (counting 249743161) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000101100011100111001
3
Ternary
122101221021012201
4
Quaternary
32320230130321
5
Quinary
1002413240121
6
Senary
40440510201
8
Octal
1670543471
10
Decimal
249743161
12
Duodecimal
6b77b361
16
Hexadecimal
ee2c739
20
Vigesimal
3i0hhi1
36
Base36
44ov21
md5
a3a10d59996f405a50bbf17c8c3336c6
sha1
9e00a766e7214516ad0da2d5bc7be862e75ffde0
sha256
36c89010d0cdc4cd76332f6f6dfee5f2fdeeba7f87cbfe90a14787e8839b122d
sha512
f6d906408dd2368dedb91af0d66974a27ef9cd9f29e4de5e0f9fcc8b796ee862e8dc1e25ba2094dca55a6929876457b3d163ec0f1d102709b7ab1aff461b2375
ripemd-160
093b00d41c5b1cedf5bf7d2d40641441b4492f3d
Diameter
499486322
Circumference
1569182559.7638
Area
1.9594630633074E+17
Volume
6.5248333239084E+25
Surface area
7.8378522532296E+17
Circumference
1569182559.7638
Perimeter
998972644
Area
62371646466271921
Diagonal
353190165.39613
Surface area
374229878797631526
Volume
1.5576892145261E+25
Space diagonal
432567843.69485
Perimeter
749229483
Area
2.7007715157827E+16
Altitude
216283921.84743
Surface area
2.7007715157827E+16
Volume
1.8357543442876E+24
Height
117730055.13204