18217872 is an even 8-digits composite number following 18217871
and preceding 18217873 . In scientific notation, it is written as 1.8217872 × 10^7.
The sum of its digits is 36. It has a total of 7 prime factors and 30 positive divisors.
There are 6072192 positive integers (up to 18217872) that are relatively prime to 18217872.
18217872 has 30 divisors, whose sum is 39657618
The reverse of 18217872 is 27871281
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million two hundred seventeen thousand eight hundred seventy-two
Scientific notation
1.8217872 × 10^7
Engineering notation
1.8217872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 9 × 14057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
253026
Product of the distinct prime numbers
The prime factorization of 18217872 is 2 × 2 × 2 × 2 × 9 × 9 × 14057.
Since it has a total of 7 prime factors.
7 , 3 , 13 , 74 , 119 , 68 , 3660 , 5719 , 93934 , 45729 , 60166 , 175497 , 9308129 , 7751296 , 49234502 , 63680951 , 835288183 , 519792502 , 577385533 , 5852004089
n×2
36435744
n×3
54653616
n×4
72871488
n×5
91089360
n÷2
9108936
n÷3
6072624
n÷3
4554468
n÷5
3643574.4
n2
331890860208384
n3
6.0463452092462E+21
n4
1.1015154308986E+29
n5
2.0067267126136E+36
2 √n
4268.2399182801
3 √n
263.12728349058
4 √n
65.331768063325
5 √n
28.320409533476
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 81 , 144 , 162 , 324 , 648 , 1296 , 14057 , 28114 , 56228 , 112456 , 126513 , 224912 , 253026 , 506052 , 1012104 , 1138617 , 2024208 , 2277234 , 4554468 , 9108936 , 18217872
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18217871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18217872 can be divided by 30 positive divisors.
The sum of these divisors (counting 18217872) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1000101011111101110010000
3
Ternary
1021021120020000
4
Quaternary
1011133232100
5
Quinary
14130432442
6
Senary
1450250000
8
Octal
105375620
10
Decimal
18217872
12
Duodecimal
6126900
16
Hexadecimal
115fb90
20
Vigesimal
5dh4dc
36
Base36
auh00
md5
b14a89c68873faa1d8d1d148197168da
sha1
9ab1f7b5db4e024c33c6bf770a690c9c7da88ab5
sha256
53c1963bb987da182fd0fadc14c838f92a126e020b5be26929e2fd252e43dbe7
sha512
bd2a838e2ceb005cd7d2dfe3520a6ed257228891969156004579d94ab12f03a4bbea02cb0c83abacaefbac666395a9596e9997cdbd58f4046f14179268fd27de
ripemd-160
42d7e8f9ee2089c3034287d66370ef6468d72886
Diameter
36435744
Circumference
114466265.67848
Area
1.0426658882243E+15
Volume
2.5326871587248E+22
Surface area
4.170663552897E+15
Circumference
114466265.67848
Perimeter
72871488
Area
331890860208384
Diagonal
25763961.659977
Surface area
1991345161250304
Volume
6.0463452092462E+21
Space diagonal
31554279.909786
Perimeter
54653616
Area
1.4371295811217E+14
Altitude
15777139.954893
Surface area
1.4371295811217E+14
Volume
7.1256861647547E+20
Height
8587987.2199924