18385217 is an odd 8-digits composite number following 18385216
and preceding 18385218 . In scientific notation, it is written as 1.8385217 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 16511040 positive integers (up to 18385217) that are relatively prime to 18385217.
18385217 has 16 divisors, whose sum is 20385600
The reverse of 18385217 is 71258381
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million three hundred eighty-five thousand two hundred seventeen
Scientific notation
1.8385217 × 10^7
Engineering notation
1.8385217 × 10^6
Prime Factorization
61 × 29 × 19 × 547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18385217
Product of the distinct prime numbers
The prime factorization of 18385217 is 61 × 29 × 19 × 547.
Since it has a total of 4 prime factors.
1 , 2 , 70 , 29 , 974 , 748 , 4278 , 4024 , 40922 , 27735 , 103074 , 83375 , 8300524 , 613550 , 71070433 , 73345820 , 54707949 , 55876106 , 9575655880 , 3381626936
n×2
36770434
n×3
55155651
n×4
73540868
n×5
91926085
n÷2
9192608.5
n÷3
6128405.6666667
n÷3
4596304.25
n÷5
3677043.4
n2
338016204137089
n3
6.2145012625767E+21
n4
1.1425495425925E+29
n5
2.1006021273813E+36
2 √n
4287.7986193384
3 √n
263.93050378402
4 √n
65.481284496705
5 √n
28.372248307434
1 , 19 , 29 , 61 , 547 , 551 , 1159 , 1769 , 10393 , 15863 , 33367 , 33611 , 301397 , 633973 , 967643 , 18385217
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18385216
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18385217 can be divided by 16 positive divisors.
The sum of these divisors (counting 18385217) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001000100101000001
3
Ternary
1021121001202222
4
Quaternary
1012020211001
5
Quinary
14201311332
6
Senary
1454020425
8
Octal
106104501
10
Decimal
18385217
12
Duodecimal
61a7715
16
Hexadecimal
1188941
20
Vigesimal
5ei30h
36
Base36
ay24h
md5
2a19bba348f833a718d8c47462f8b749
sha1
49042cfb8302b6ef30a8dd23a26b6fb33205bd10
sha256
a25b2a901647e427266fcb1f86866009a9f6d3a0e49669a8255284f456eaf986
sha512
0b577a8d4e37775c10322db313e0938825d6b69d65858138ffc56c59414031a373cd6eb4b502e242fa03939e1b088123e07914c24bf7ff1111e65573b2f360e5
ripemd-160
e1f7d91b17444f9ccaa3d2acce0e779f16e26575
Diameter
36770434
Circumference
115517725.32371
Area
1.0619092237114E+15
Volume
2.6031242016314E+22
Surface area
4.2476368948455E+15
Circumference
115517725.32371
Perimeter
73540868
Area
338016204137089
Diagonal
26000623.228572
Surface area
2028097224822534
Volume
6.2145012625767E+21
Space diagonal
31844129.952179
Perimeter
55155651
Area
1.4636530983675E+14
Altitude
15922064.97609
Surface area
1.4636530983675E+14
Volume
7.3238599741006E+20
Height
8666874.4095241