18672021 is an odd 8-digits composite number following 18672020
and preceding 18672022 . In scientific notation, it is written as 1.8672021 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11906664 positive integers (up to 18672021) that are relatively prime to 18672021.
18672021 has 8 divisors, whose sum is 21648960
The reverse of 18672021 is 12027681
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million six hundred seventy-two thousand twenty-one
Scientific notation
1.8672021 × 10^7
Engineering notation
1.8672021 × 10^6
Prime Factorization
23 × 9 × 90203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18672021
Product of the distinct prime numbers
The prime factorization of 18672021 is 23 × 9 × 90203.
Since it has a total of 3 prime factors.
5 , 4 , 74 , 25 , 534 , 827 , 9489 , 1907 , 28314 , 10393 , 783880 , 349434 , 6877822 , 6515187 , 95028394 , 30639212 , 825468142 , 743503891 , 2707721571 , 2719301260
n×2
37344042
n×3
56016063
n×4
74688084
n×5
93360105
n÷2
9336010.5
n÷3
6224007
n÷3
4668005.25
n÷5
3734404.2
n2
348644368224441
n3
6.5098949650185E+21
n4
1.2155289549462E+29
n5
2.2696382172863E+36
2 √n
4321.113398188
3 √n
265.29584143346
4 √n
65.735176261938
5 √n
28.460220821302
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
-18672020
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 18672021 can be divided by 8 positive divisors.
The sum of these divisors (counting 18672021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111001110100110010101
3
Ternary
1022010122012100
4
Quaternary
1013032212111
5
Quinary
14240001041
6
Senary
1504112313
8
Octal
107164625
10
Decimal
18672021
12
Duodecimal
6305699
16
Hexadecimal
11ce995
20
Vigesimal
5ge011
36
Base36
b47f9
md5
883d649a338e12613538730d08fec124
sha1
fdb80f763b3526ab51cc5165b73791f2435a461d
sha256
b1dd95e17b47edcec239eed013ccaba35e15c4a09ba0686579feb02b78f54e83
sha512
c39fb390097bc86aad393a933719a1e3ec250497367df0ed4aeedb8bc000450cd1034a906dae78ba858c9afcb9be161771b197b29f57c374418addc4e112d30f
ripemd-160
9eeb753b1f2cacc266796c15c7771d482dd145b3
Diameter
37344042
Circumference
117319768.00255
Area
1.0952985859294E+15
Volume
2.7268584263658E+22
Surface area
4.3811943437174E+15
Circumference
117319768.00255
Perimeter
74688084
Area
348644368224441
Diagonal
26406225.335115
Surface area
2091866209346646
Volume
6.5098949650185E+21
Space diagonal
32340889.051993
Perimeter
56016063
Area
1.5096743988437E+14
Altitude
16170444.525997
Surface area
1.5096743988437E+14
Volume
7.6719847909612E+20
Height
8802075.1117051