245221618 is an even 9-digits composite number following 245221617
and preceding 245221619 . In scientific notation, it is written as 2.45221618 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 121901904 positive integers (up to 245221618) that are relatively prime to 245221618.
245221618 has 8 divisors, whose sum is 369959148
The reverse of 245221618 is 816122542
Previous prime number is 173
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred forty-five million two hundred twenty-one thousand six hundred eighteen
Scientific notation
2.45221618 × 10^8
Engineering notation
2.45221618 × 10^6
Prime Factorization
2 × 173 × 708733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
245221618
Product of the distinct prime numbers
The prime factorization of 245221618 is 2 × 173 × 708733.
Since it has a total of 3 prime factors.
7 , 3 , 72 , 94 , 715 , 165 , 6034 , 3261 , 70548 , 79565 , 55016 , 384542 , 303768 , 8695216 , 18923603 , 90762455 , 832288381 , 654029479 , 1213042639 , 9144072663
n×2
490443236
n×3
735664854
n×4
980886472
n×5
1226108090
n÷2
122610809
n÷3
81740539.333333
n÷3
61305404.5
n÷5
49044323.6
n2
60133641934537924
n3
1.474606897142E+25
n4
3.6160548923112E+33
n5
8.8673483146937E+41
2 √n
15659.553569626
3 √n
625.92108924452
4 √n
125.13813795013
5 √n
47.633418516718
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
-245221617
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 245221618 can be divided by 8 positive divisors.
The sum of these divisors (counting 245221618) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100111011100100011110010
3
Ternary
122002102112211011
4
Quaternary
32213130203302
5
Quinary
1000234042433
6
Senary
40155541134
8
Octal
1647344362
10
Decimal
245221618
12
Duodecimal
6a15a7aa
16
Hexadecimal
e9dc8f2
20
Vigesimal
3gcce0i
36
Base36
41zy7m
md5
cc8ffab0c2b5e07b160b67689594c1e4
sha1
052cb34dbdc9fc4afaca6025c4afbae66a067f6d
sha256
185ebec3cf95d24ff2abb32a15c5d13bd158967e96e7c1bb9982866b4486ed7f
sha512
93080f28efe0ef79298ab25e1e4b42d9ae536007ff0b00f360ed2b28a9e8d6de815e48b3acdf5c165384bcda7270b4abff42d669793beff9f5b9f9eb7bb8dde2
ripemd-160
35bf01335fac4b0b4ed6139ef28a18fc1d0b705d
Diameter
490443236
Circumference
1540772867.2204
Area
1.8891540773514E+17
Volume
6.1768189266589E+25
Surface area
7.5566163094057E+17
Circumference
1540772867.2204
Perimeter
980886472
Area
60133641934537924
Diagonal
346795737.96267
Surface area
360801851607227544
Volume
1.474606897142E+25
Space diagonal
424736301.49025
Perimeter
735664854
Area
2.6038630768694E+16
Altitude
212368150.74512
Surface area
2.6038630768694E+16
Volume
1.7378408942559E+24
Height
115598579.32089