18221277 is an odd 8-digits composite number following 18221276
and preceding 18221278 . In scientific notation, it is written as 1.8221277 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12136320 positive integers (up to 18221277) that are relatively prime to 18221277.
18221277 has 8 divisors, whose sum is 24317440
The reverse of 18221277 is 77212281
Previous prime number is 1471
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million two hundred twenty-one thousand two hundred seventy-seven
Scientific notation
1.8221277 × 10^7
Engineering notation
1.8221277 × 10^6
Prime Factorization
3 × 1471 × 4129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18221277
Product of the distinct prime numbers
The prime factorization of 18221277 is 3 × 1471 × 4129.
Since it has a total of 3 prime factors.
4 , 7 , 33 , 38 , 222 , 788 , 9677 , 860 , 8049 , 91084 , 61488 , 66254 , 5289003 , 2536386 , 97027897 , 63185738 , 88303788 , 104953121 , 2913483874 , 407469579
n×2
36442554
n×3
54663831
n×4
72885108
n×5
91106385
n÷2
9110638.5
n÷3
6073759
n÷3
4555319.25
n÷5
3644255.4
n2
332014935510729
n3
6.0497361080781E+21
n4
1.1023391740219E+29
n5
2.0086027437805E+36
2 √n
4268.6387760034
3 √n
263.14367568295
4 √n
65.334820547725
5 √n
28.321468096034
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
-18221276
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 18221277 can be divided by 8 positive divisors.
The sum of these divisors (counting 18221277) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101100000100011011101
3
Ternary
1021021201220010
4
Quaternary
1011200203131
5
Quinary
14131040102
6
Senary
1450313433
8
Octal
105404335
10
Decimal
18221277
12
Duodecimal
6128879
16
Hexadecimal
11608dd
20
Vigesimal
5dhd3h
36
Base36
aujml
md5
eb287ee77c3bf3fc86f9d8e5e7db2620
sha1
10b9dc9673ce07512d459fc7d2fed924914aaae1
sha256
8e1d8a1b1a19f3863b6b24760bd023bbd05786eeb647f62227755bd7d5ac598a
sha512
de161246d3b21779a93a9ec3929ee6eb51b994b2ea95f4fd94979dc77e657eade96f5019c359c9a4f4f01c3cc8ac31ec9aa4b6406263b22bbf09fe84b86211d1
ripemd-160
732d9f38c32f8c6210d1dd5cfae0f622b6141a8e
Diameter
36442554
Circumference
114487659.92445
Area
1.0430556822826E+15
Volume
2.534107535106E+22
Surface area
4.1722227291304E+15
Circumference
114487659.92445
Perimeter
72885108
Area
332014935510729
Diagonal
25768777.057157
Surface area
1992089613064374
Volume
6.0497361080781E+21
Space diagonal
31560177.542786
Perimeter
54663831
Area
1.4376668429407E+14
Altitude
15780088.771393
Surface area
1.4376668429407E+14
Volume
7.1296823773519E+20
Height
8589592.3523856