245479987 is an odd 9-digits composite number following 245479986
and preceding 245479988 . In scientific notation, it is written as 2.45479987 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 245010096 positive integers (up to 245479987) that are relatively prime to 245479987.
245479987 has 4 divisors, whose sum is 245949880
The reverse of 245479987 is 789974542
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
two hundred forty-five million four hundred seventy-nine thousand nine hundred eighty-seven
Scientific notation
2.45479987 × 10^8
Engineering notation
2.45479987 × 10^6
Prime Factorization
523 × 469369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245479987
Product of the distinct prime numbers
The prime factorization of 245479987 is 523 × 469369.
Since it has a total of 2 prime factors.
10 , 10 , 98 , 75 , 754 , 804 , 2644 , 3279 , 46814 , 49948 , 57375 , 604457 , 1655723 , 6955338 , 25948943 , 12667488 , 297194481 , 269424610 , 2771054516 , 5192149650
n×2
490959974
n×3
736439961
n×4
981919948
n×5
1227399935
n÷2
122739993.5
n÷3
81826662.333333
n÷3
61369996.75
n÷5
49095997.4
n2
60260424017520169
n3
1.4792728104435E+25
n4
3.6313187027713E+33
n5
8.9141606794916E+41
2 √n
15667.800962484
3 √n
626.14083855279
4 √n
125.17108676721
5 √n
47.6434517392
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245479986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245479987 can be divided by 4 positive divisors.
The sum of these divisors (counting 245479987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101000011011101000110011
3
Ternary
122002220200020101
4
Quaternary
32220123220303
5
Quinary
1000320324422
6
Senary
40205253231
8
Octal
1650335063
10
Decimal
245479987
12
Duodecimal
6a264217
16
Hexadecimal
ea1ba33
20
Vigesimal
3ge4jj7
36
Base36
425hkj
md5
b300548d5ba8815f803c575c2a63d615
sha1
53e986ec0ebfac0ef4fd856dc6f063f9155ee627
sha256
fc31b79c27ca67f96dfb5ac25c848018e33909cd70196783dd5d1c336764c4ed
sha512
ad59a7ca3c2e6a4f52b8d1100f7f65c9029eb23ef600ea7df66868440a0e163090dfa1c2660b7377d33440f9e8ce9f42f20a78277869287a314d90207a079415
ripemd-160
c2ca3b59a1759c31e59d703a8db4dd8e01d4611f
Diameter
490959974
Circumference
1542396247.525
Area
1.8931370539565E+17
Volume
6.1963634585927E+25
Surface area
7.5725482158259E+17
Circumference
1542396247.525
Perimeter
981919948
Area
60260424017520169
Diagonal
347161126.90657
Surface area
361562544105121014
Volume
1.4792728104435E+25
Space diagonal
425183809.72535
Perimeter
736439961
Area
2.6093529020997E+16
Altitude
212591904.86267
Surface area
2.6093529020997E+16
Volume
1.7433397258158E+24
Height
115720375.63552