18421946 is an even 8-digits composite number following 18421945
and preceding 18421947 . In scientific notation, it is written as 1.8421946 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 9210972 positive integers (up to 18421946) that are relatively prime to 18421946.
18421946 has 4 divisors, whose sum is 27632922
The reverse of 18421946 is 64912481
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million four hundred twenty-one thousand nine hundred forty-six
Scientific notation
1.8421946 × 10^7
Engineering notation
1.8421946 × 10^6
Prime Factorization
2 × 9210973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18421946
Product of the distinct prime numbers
The prime factorization of 18421946 is 2 × 9210973.
Since it has a total of 2 prime factors.
10 , 6 , 6 , 18 , 150 , 438 , 4582 , 5568 , 97154 , 53566 , 438527 , 10223 , 362714 , 1020374 , 91508386 , 14662374 , 47377186 , 300915195 , 3483227975 , 2839090789
n×2
36843892
n×3
55265838
n×4
73687784
n×5
92109730
n÷2
9210973
n÷3
6140648.6666667
n÷3
4605486.5
n÷5
3684389.2
n2
339368094426916
n3
6.2518207096555E+21
n4
1.1517070351496E+29
n5
2.1216684809345E+36
2 √n
4292.0794494044
3 √n
264.10614227496
4 √n
65.513963774179
5 √n
28.383575370659
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
-18421945
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 18421946 can be divided by 4 positive divisors.
The sum of these divisors (counting 18421946) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110010001100010111010
3
Ternary
1021122221011022
4
Quaternary
1012101202322
5
Quinary
14204000241
6
Senary
1454502442
8
Octal
106214272
10
Decimal
18421946
12
Duodecimal
6204a22
16
Hexadecimal
11918ba
20
Vigesimal
5f2eh6
36
Base36
ayugq
md5
cc16ff19bf9aff5b031d3e88ef609dc0
sha1
f0e9dd480ce4c036ca1523883af52ba083f59b91
sha256
666d6ca857d74e9dcc92c3d63ef990c34d2acc36490ecdab7f98c2ed3be22a2d
sha512
646c442c8caf57b280b5407ab8b854dbce30dfa709b648da79def621b915e7f6111cf4ed71ee0b72b404dfcb471cbb1c69d161421a90d5c94a807af74b291829
ripemd-160
f52dcc018cbbcba47681c5ee7ee7b08590e440a8
Diameter
36843892
Circumference
115748500.43686
Area
1.0661563123144E+15
Volume
2.6187565350686E+22
Surface area
4.2646252492575E+15
Circumference
115748500.43686
Perimeter
73687784
Area
339368094426916
Diagonal
26052565.878505
Surface area
2036208566561496
Volume
6.2518207096555E+21
Space diagonal
31907746.44629
Perimeter
55265838
Area
1.4695069550381E+14
Altitude
15953873.223145
Surface area
1.4695069550381E+14
Volume
7.3678413642666E+20
Height
8684188.6261683