18480981 is an odd 8-digits composite number following 18480980
and preceding 18480982 . In scientific notation, it is written as 1.8480981 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 12200832 positive integers (up to 18480981) that are relatively prime to 18480981.
18480981 has 8 divisors, whose sum is 24880960
The reverse of 18480981 is 18908481
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million four hundred eighty thousand nine hundred eighty-one
Scientific notation
1.8480981 × 10^7
Engineering notation
1.8480981 × 10^6
Prime Factorization
3 × 103 × 59809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18480981
Product of the distinct prime numbers
The prime factorization of 18480981 is 3 × 103 × 59809.
Since it has a total of 3 prime factors.
1 , 7 , 9 , 41 , 996 , 422 , 6988 , 6915 , 61489 , 10465 , 952150 , 141290 , 4754562 , 7362009 , 41542955 , 72799010 , 551107947 , 684465861 , 9131314893 , 9811336031
n×2
36961962
n×3
55442943
n×4
73923924
n×5
92404905
n÷2
9240490.5
n÷3
6160327
n÷3
4620245.25
n÷5
3696196.2
n2
341546658722361
n3
6.3121173104614E+21
n4
1.1665412008441E+29
n5
2.1558825768517E+36
2 √n
4298.951151153
3 √n
264.38795978475
4 √n
65.5663873578
5 √n
28.401743707588
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
-18480980
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 18480981 can be divided by 8 positive divisors.
The sum of these divisors (counting 18480981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110011111111101010101
3
Ternary
1021202221010210
4
Quaternary
1012133331111
5
Quinary
14212342411
6
Senary
1500040033
8
Octal
106377525
10
Decimal
18480981
12
Duodecimal
6233019
16
Hexadecimal
119ff55
20
Vigesimal
5fa291
36
Base36
b040l
md5
2b58632b273e2b0c30812fc4f8d4d05b
sha1
d7629ecaa174832986cc305611a846a4d92ce017
sha256
1a4c26c92976e3cb2b09f8f0af135a47d2192ecdf07d4575b746da9f081f7b3a
sha512
51fb711dffaa4b95d5491b43499ce573c64cc92a522c65e38c49b92d2641bb50244a65f3d98632ced04a7212a78517d3c1b09933c8c25a0990a983326c1329d8
ripemd-160
1d4caa32e2380f2f4bdc2a9ae90dd68b5a4aa1b9
Diameter
36961962
Circumference
116119428.28147
Area
1.0730004739003E+15
Volume
2.6440135161523E+22
Surface area
4.2920018956012E+15
Circumference
116119428.28147
Perimeter
73923924
Area
341546658722361
Diagonal
26136053.976159
Surface area
2049279952334166
Volume
6.3121173104614E+21
Space diagonal
32009998.065715
Perimeter
55442943
Area
1.4789404151563E+14
Altitude
16004999.032858
Surface area
1.4789404151563E+14
Volume
7.4389015897871E+20
Height
8712017.9920532