245389904 is an even 9-digits composite number following 245389903
and preceding 245389905 . In scientific notation, it is written as 2.45389904 × 10^8.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 122179680 positive integers (up to 245389904) that are relatively prime to 245389904.
245389904 has 20 divisors, whose sum is 477439680
The reverse of 245389904 is 409983542
Previous prime number is 239
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred forty-five million three hundred eighty-nine thousand nine hundred four
Scientific notation
2.45389904 × 10^8
Engineering notation
2.45389904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 239 × 64171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
30673738
Product of the distinct prime numbers
The prime factorization of 245389904 is 2 × 2 × 2 × 2 × 239 × 64171.
Since it has a total of 6 prime factors.
3 , 3 , 90 , 56 , 357 , 106 , 4815 , 4120 , 36734 , 45297 , 693758 , 731835 , 7745263 , 7414787 , 37379025 , 2995749 , 484416235 , 715647606 , 4954849030 , 2797970649
n×2
490779808
n×3
736169712
n×4
981559616
n×5
1226949520
n÷2
122694952
n÷3
81796634.666667
n÷3
61347476
n÷5
49077980.8
n2
60216204985129216
n3
1.4776448760545E+25
n4
3.6259913428111E+33
n5
8.8978166751725E+41
2 √n
15664.925917476
3 √n
626.06423821998
4 √n
125.15960177899
5 √n
47.639954513016
1 , 2 , 4 , 8 , 16 , 239 , 478 , 956 , 1912 , 3824 , 64171 , 128342 , 256684 , 513368 , 1026736 , 15336869 , 30673738 , 61347476 , 122694952 , 245389904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245389903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245389904 can be divided by 20 positive divisors.
The sum of these divisors (counting 245389904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110101000000101101001010000
3
Ternary
122002202002122222
4
Quaternary
32220011221100
5
Quinary
1000304434104
6
Senary
40203320212
8
Octal
1650055120
10
Decimal
245389904
12
Duodecimal
6a220068
16
Hexadecimal
ea05a50
20
Vigesimal
3gddef4
36
Base36
423k28
md5
ee196ad3dca7f202308d3a6ad541c055
sha1
90042a730bf16b508d146da7fecb43cd8ddb953a
sha256
16d58577ff1ed40b0b3260265f21873652655e5371653e32e9ea8296cb273515
sha512
c4c425a18bf4ec462d81eb92e25b940f3e0fc2a8bccb38b98feeb4465902b4bd3fe871b9888fc0a7198d8442e93a3dfc7ede70721a276ddce840714d9525bb99
ripemd-160
97120e4beeeb1432fa5b84dbbd007b2301997539
Diameter
490779808
Circumference
1541830239.343
Area
1.8917478720834E+17
Volume
6.18954438297E+25
Surface area
7.5669914883336E+17
Circumference
1541830239.343
Perimeter
981559616
Area
60216204985129216
Diagonal
347033730.30623
Surface area
361297229910775296
Volume
1.4776448760545E+25
Space diagonal
425027781.39245
Perimeter
736169712
Area
2.6074381618307E+16
Altitude
212513890.69622
Surface area
2.6074381618307E+16
Volume
1.7414211867395E+24
Height
115677910.10208