245887139 is an odd 9-digits prime number following 245887138
and preceding 245887140 . In scientific notation, it is written as 2.45887139 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 245887138 positive integers (up to 245887139) that are relatively prime to 245887139.
245887139 has 2 divisors, whose sum is 245887140
The reverse of 245887139 is 931788542
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred forty-five million eight hundred eighty-seven thousand one hundred thirty-nine
Scientific notation
2.45887139 × 10^8
Engineering notation
2.45887139 × 10^6
Prime Factorization
245887139
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
245887139
Product of the distinct prime numbers
The prime factorization of 245887139 is 245887139.
Since it has a total of 1 prime factors.
7 , 2 , 33 , 18 , 716 , 352 , 8203 , 946 , 53779 , 94041 , 802789 , 547954 , 1184401 , 3615354 , 1559074 , 39659121 , 838567760 , 351589511 , 3767060843 , 1515106633
n×2
491774278
n×3
737661417
n×4
983548556
n×5
1229435695
n÷2
122943569.5
n÷3
81962379.666667
n÷3
61471784.75
n÷5
49177427.8
n2
60460485125605321
n3
1.4866455710087E+25
n4
3.6554702616235E+33
n5
8.9883312433019E+41
2 √n
15680.78885133
3 √n
626.48681880036
4 √n
125.2229565668
5 √n
47.659245507346
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
245887140
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
122943570
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
15680.788883216
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999918662
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245887139 can be divided by 2 positive divisors.
The sum of these divisors (counting 245887139) is 245887140, the average is 122943570.
Base
System
Value
2
Binary
1110101001111111000010100011
3
Ternary
122010200100202002
4
Quaternary
32221333002203
5
Quinary
1000421342024
6
Senary
40222114215
8
Octal
1651770243
10
Decimal
245887139
12
Duodecimal
6a41b96b
16
Hexadecimal
ea7f0a3
20
Vigesimal
3ggfhgj
36
Base36
42e7qb
md5
ef78ef7c0b0714a25584265e5311064d
sha1
4c256c179a13fe90da6287b7f018d809b8b7c4ca
sha256
624de56e6c419d267ab9a9c45afd330d87f6e14db04134eeb5e5667200e46ac8
sha512
f8e24b13f13b0f9710d6ab98c0aede5d538f383b7b02d3b2d9bf5376354775a4387a1b61301cd7838254dac92092fd5899e57c7c06ec8f2aedab9a9913efbc82
ripemd-160
25bb650e3aa9df16135b24a9d7241d484c89787d
Diameter
491774278
Circumference
1544954458.9892
Area
1.8994221590308E+17
Volume
6.2272464058304E+25
Surface area
7.5976886361231E+17
Circumference
1544954458.9892
Perimeter
983548556
Area
60460485125605321
Diagonal
347736926.78692
Surface area
362762910753631926
Volume
1.4866455710087E+25
Space diagonal
425889017.67575
Perimeter
737661417
Area
2.6180158021953E+16
Altitude
212944508.83788
Surface area
2.6180158021953E+16
Volume
1.7520286074687E+24
Height
115912308.92897