245389640 is an even 9-digits composite number following 245389639
and preceding 245389641 . In scientific notation, it is written as 2.45389640 × 10^8.
The sum of its digits is 41. It has a total of 6 prime factors and 32 positive divisors.
There are 97996800 positive integers (up to 245389640) that are relatively prime to 245389640.
245389640 has 32 divisors, whose sum is 553021560
The reverse of 245389640 is 046983542
Previous prime number is 661
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred forty-five million three hundred eighty-nine thousand six hundred forty
Scientific notation
2.45389640 × 10^8
Engineering notation
2.45389640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 661 × 9281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
61347410
Product of the distinct prime numbers
The prime factorization of 245389640 is 2 × 2 × 2 × 5 × 661 × 9281.
Since it has a total of 6 prime factors.
8 , 7 , 33 , 56 , 460 , 981 , 2685 , 1436 , 4 , 29669 , 804368 , 178575 , 8214767 , 1706012 , 87116560 , 5556727 , 716350854 , 425380047 , 4612426942 , 5438218998
n×2
490779280
n×3
736168920
n×4
981558560
n×5
1226948200
n÷2
122694820
n÷3
81796546.666667
n÷3
61347410
n÷5
49077928
n2
60216075419329600
n3
1.4776401069362E+25
n4
3.6259757389064E+33
n5
8.8977688121897E+41
2 √n
15664.917491005
3 √n
626.06401370515
4 √n
125.15956811609
5 √n
47.639944262429
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 661 , 1322 , 2644 , 3305 , 5288 , 6610 , 9281 , 13220 , 18562 , 26440 , 37124 , 46405 , 74248 , 92810 , 185620 , 371240 , 6134741 , 12269482 , 24538964 , 30673705 , 49077928 , 61347410 , 122694820 , 245389640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245389639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245389640 can be divided by 32 positive divisors.
The sum of these divisors (counting 245389640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110101000000101100101001000
3
Ternary
122002202002022012
4
Quaternary
32220011211020
5
Quinary
1000304432030
6
Senary
40203315052
8
Octal
1650054510
10
Decimal
245389640
12
Duodecimal
6a21ba88
16
Hexadecimal
ea05948
20
Vigesimal
3gdde20
36
Base36
423juw
md5
d2de2a675d444ee8087e4d107ea4c9c9
sha1
401cee691815224bbf05b8d9ed3c6ebccaa708d4
sha256
1383267d1d993c8b6ecdde93eac79cc3ac62301d737d8029e9b575e07a09c98d
sha512
3708bbfb935990a5218a26ec9469b8dcbd49c7e69ff8a0e1a59983a0b79e907a86f0a22d7e87226952869a0ae345110291dfaf842e53c5dd8e7a0f82dba2fe7f
ripemd-160
179c8d0c7737aee954c6a8caeaba5f3d6d0f99df
Diameter
490779280
Circumference
1541828580.5821
Area
1.8917438016537E+17
Volume
6.1895244061339E+25
Surface area
7.566975206615E+17
Circumference
1541828580.5821
Perimeter
981558560
Area
60216075419329600
Diagonal
347033356.95385
Surface area
361296452515977600
Volume
1.4776401069362E+25
Space diagonal
425027324.13104
Perimeter
736168920
Area
2.607432551467E+16
Altitude
212513662.06552
Surface area
2.607432551467E+16
Volume
1.7414155662797E+24
Height
115677785.65128