18442949 is an odd 8-digits composite number following 18442948
and preceding 18442950 . In scientific notation, it is written as 1.8442949 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 15808236 positive integers (up to 18442949) that are relatively prime to 18442949.
18442949 has 4 divisors, whose sum is 21077664
The reverse of 18442949 is 94924481
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million four hundred forty-two thousand nine hundred forty-nine
Scientific notation
1.8442949 × 10^7
Engineering notation
1.8442949 × 10^6
Prime Factorization
7 × 2634707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18442949
Product of the distinct prime numbers
The prime factorization of 18442949 is 7 × 2634707.
Since it has a total of 2 prime factors.
2 , 3 , 42 , 53 , 954 , 813 , 4444 , 562 , 89742 , 49844 , 443840 , 441881 , 3324863 , 3630048 , 93199146 , 83452263 , 503715255 , 919745076 , 8807292054 , 2085308950
n×2
36885898
n×3
55328847
n×4
73771796
n×5
92214745
n÷2
9221474.5
n÷3
6147649.6666667
n÷3
4610737.25
n÷5
3688589.8
n2
340142367816601
n3
6.2732283423808E+21
n4
1.1569683038388E+29
n5
2.1337907422316E+36
2 √n
4294.5254685471
3 √n
264.20647395859
4 √n
65.532629037352
5 √n
28.390044486937
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
-18442948
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 18442949 can be divided by 4 positive divisors.
The sum of these divisors (counting 18442949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110010110101011000101
3
Ternary
1021200222222012
4
Quaternary
1012112223011
5
Quinary
14210133244
6
Senary
1455144005
8
Octal
106265305
10
Decimal
18442949
12
Duodecimal
6215005
16
Hexadecimal
1196ac5
20
Vigesimal
5f5779
36
Base36
azao5
md5
cdae7306d50621ccc8eb3cc255c70989
sha1
68353cb979255c857ac49df178b0f8109b88b458
sha256
68c7bc0690d79d614e029a70cc2eadfd417a3cd71e9b1c14570918d7ecbe9c2c
sha512
1a3d787ad39ee83d409786d92c75421bfb820afe9a6ad7c4677ee54c608f2597b4773f6bf21f3270235ea669165ad0d1369ed4ce032e6a783eb4d782751fa758
ripemd-160
56e578f902dea310e4c9b38ed73a04bb884bbfa8
Diameter
36885898
Circumference
115880466.17786
Area
1.0685887639073E+15
Volume
2.6277237432953E+22
Surface area
4.2743550556291E+15
Circumference
115880466.17786
Perimeter
73771796
Area
340142367816601
Diagonal
26082268.605955
Surface area
2040854206899606
Volume
6.2732283423808E+21
Space diagonal
31944124.709402
Perimeter
55328847
Area
1.4728596571628E+14
Altitude
15972062.354701
Surface area
1.4728596571628E+14
Volume
7.3930705013819E+20
Height
8694089.5353184