245439897 is an odd 9-digits composite number following 245439896
and preceding 245439898 . In scientific notation, it is written as 2.45439897 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 152755200 positive integers (up to 245439897) that are relatively prime to 245439897.
245439897 has 24 divisors, whose sum is 350451552
The reverse of 245439897 is 798934542
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred forty-five million four hundred thirty-nine thousand eight hundred ninety-seven
Scientific notation
2.45439897 × 10^8
Engineering notation
2.45439897 × 10^6
Prime Factorization
3 × 17 × 17 × 131 × 2161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14437641
Product of the distinct prime numbers
The prime factorization of 245439897 is 3 × 17 × 17 × 131 × 2161.
Since it has a total of 5 prime factors.
5 , 7 , 17 , 28 , 105 , 800 , 4599 , 5683 , 38021 , 79651 , 723603 , 997846 , 8354423 , 4795977 , 4881386 , 7377815 , 611842530 , 393364178 , 3556637633 , 7453580752
n×2
490879794
n×3
736319691
n×4
981759588
n×5
1227199485
n÷2
122719948.5
n÷3
81813299
n÷3
61359974.25
n÷5
49087979.4
n2
60240743039370609
n3
1.4785481766787E+25
n4
3.6289471219355E+33
n5
8.9068840782629E+41
2 √n
15666.521534789
3 √n
626.106751113
4 √n
125.16597594709
5 √n
47.641895481365
1 , 3 , 17 , 51 , 131 , 289 , 393 , 867 , 2161 , 2227 , 6483 , 6681 , 36737 , 37859 , 110211 , 113577 , 283091 , 624529 , 849273 , 1873587 , 4812547 , 14437641 , 81813299 , 245439897
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245439896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245439897 can be divided by 24 positive divisors.
The sum of these divisors (counting 245439897) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110101000010001110110011001
3
Ternary
122002211122020120
4
Quaternary
32220101312121
5
Quinary
1000313034042
6
Senary
40204343453
8
Octal
1650216631
10
Decimal
245439897
12
Duodecimal
6a244b89
16
Hexadecimal
ea11d99
20
Vigesimal
3gdjjeh
36
Base36
424mmx
md5
2d48163b3b4f91889a4a78782a5b27ae
sha1
74407e70d95234c57e891eb8ef801d033c2ae4f9
sha256
3c7e45e7144cb42a9dcb1e66906a5f4f634c276a76ecfa63359fdf2b4579a5ab
sha512
0907316d55b06973b6d75205bc4e6b287a00e5fd23b381f3b7ad741616daed6434e4fdfbc8fa2d496519d201458614d6617a1ac17de024b47c5181b7f5d53ee1
ripemd-160
eb5ae203cad6e899610050d2d0aebd00cf2b96ef
Diameter
490879794
Circumference
1542144354.6261
Area
1.8925187577928E+17
Volume
6.1933281197763E+25
Surface area
7.5700750311711E+17
Circumference
1542144354.6261
Perimeter
981759588
Area
60240743039370609
Diagonal
347104431.08486
Surface area
361444458236223654
Volume
1.4785481766787E+25
Space diagonal
425114371.80847
Perimeter
736319691
Area
2.6085006907473E+16
Altitude
212557185.90424
Surface area
2.6085006907473E+16
Volume
1.7424857367341E+24
Height
115701477.02829