18283921 is an odd 8-digits composite number following 18283920
and preceding 18283922 . In scientific notation, it is written as 1.8283921 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 18033840 positive integers (up to 18283921) that are relatively prime to 18283921.
18283921 has 8 divisors, whose sum is 18536000
The reverse of 18283921 is 12938281
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million two hundred eighty-three thousand nine hundred twenty-one
Scientific notation
1.8283921 × 10^7
Engineering notation
1.8283921 × 10^6
Prime Factorization
199 × 139 × 661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18283921
Product of the distinct prime numbers
The prime factorization of 18283921 is 199 × 139 × 661.
Since it has a total of 3 prime factors.
8 , 3 , 28 , 33 , 512 , 677 , 1706 , 1159 , 25828 , 90723 , 326109 , 445856 , 382058 , 4281420 , 66356463 , 96280482 , 875321363 , 96258883 , 2825492174 , 9722580470
n×2
36567842
n×3
54851763
n×4
73135684
n×5
91419605
n÷2
9141960.5
n÷3
6094640.3333333
n÷3
4570980.25
n÷5
3656784.2
n2
334301767134241
n3
6.1123471004429E+21
n4
1.1175767150908E+29
n5
2.0433684370159E+36
2 √n
4275.9701823095
3 √n
263.44488979935
4 √n
65.390902901776
5 √n
28.340914979572
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
-18283920
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 18283921 can be divided by 8 positive divisors.
The sum of these divisors (counting 18283921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101101111110110010001
3
Ternary
1021101220211021
4
Quaternary
1011233312101
5
Quinary
14140041141
6
Senary
1451515441
8
Octal
105576621
10
Decimal
18283921
12
Duodecimal
6158b81
16
Hexadecimal
116fd91
20
Vigesimal
5e59g1
36
Base36
avvyp
md5
3ce29718f74eea535d75707cb957c784
sha1
134c32b5dd0921d5ff40f0a95665ef20697ee6f6
sha256
b96fe7cd42ce8859f9ca33d6f6c0f0450d5346eac01649c8ef5e09dd1f62bb17
sha512
8e9e52fad2ed204629a0fb4d37e5de4664f4c9aa4b98bae1a4d33318d508d5e9231fea09bb46abc26e4e4f10a054d8d2c3b378caa4eb5c9455301cbd72894e99
ripemd-160
eddb5a65d3f3525846522d0d8395902b1fa7aea3
Diameter
36567842
Circumference
114881263.78483
Area
1.050239975711E+15
Volume
2.560333966259E+22
Surface area
4.2009599028441E+15
Circumference
114881263.78483
Perimeter
73135684
Area
334301767134241
Diagonal
25857369.051558
Surface area
2005810602805446
Volume
6.1123471004429E+21
Space diagonal
31668680.133576
Perimeter
54851763
Area
1.4475691143414E+14
Altitude
15834340.066788
Surface area
1.4475691143414E+14
Volume
7.2034701394818E+20
Height
8619123.0171861