1305142885 is an odd 10-digits composite number following 1305142884
and preceding 1305142886 . In scientific notation, it is written as 1.305142885 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 1026997440 positive integers (up to 1305142885) that are relatively prime to 1305142885.
1305142885 has 8 divisors, whose sum is 1591846776
The reverse of 1305142885 is 5882415031
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion three hundred five million one hundred forty-two thousand eight hundred eighty-five
Scientific notation
1.305142885 × 10^9
Engineering notation
1.305142885 × 10^9
Prime Factorization
5 × 61 × 4279157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1305142885
Product of the distinct prime numbers
The prime factorization of 1305142885 is 5 × 61 × 4279157.
Since it has a total of 3 prime factors.
7 , 3 , 19 , 53 , 288 , 158 , 494 , 3717 , 99487 , 13241 , 404958 , 928018 , 7829476 , 4886955 , 70758549 , 48309337 , 27578742 , 340309096 , 4678734140 , 3363256662
n×2
2610285770
n×3
3915428655
n×4
5220571540
n×5
6525714425
n÷2
652571442.5
n÷3
435047628.33333
n÷3
326285721.25
n÷5
261028577
n2
1703397950266123225
n3
2.2231777151134E+27
n4
2.9015645769708E+36
n5
3.7869563630015E+45
2 √n
36126.761341144
3 √n
1092.8301965573
4 √n
190.07041153516
5 √n
66.547479638751
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1305142884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1305142885 can be divided by 8 positive divisors.
The sum of these divisors (counting 1305142885) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110010101110011001100101
3
Ternary
10100221212010110101
4
Quaternary
1031302232121211
5
Quinary
10133104033020
6
Senary
333301424101
8
Octal
11562563145
10
Decimal
1305142885
12
Duodecimal
30510b031
16
Hexadecimal
4dcae665
20
Vigesimal
107h2h45
36
Base36
ll1qp1
md5
899edffd56140a8d299556c9242ee308
sha1
b0a99050505ab92b6d0dae506b993d7b760f5429
sha256
6d2a08def31e4011baa4c2b3d37402f6df14e975a3c74c223a19fc6b8fe7087d
sha512
ce51eb3a13e71216bdf51a933c025a75683a43c320efccaf27bc4aa29ad3225b7af04c0bd62a5a5a662b19fd481f95dd9cf72caaf4cb5b16fd3167d5ef6bfe54
ripemd-160
c0d29b40c9e4a4bd59ad35ee0e1f135b5dd290ea
Diameter
2610285770
Circumference
8200454598.802
Area
5.351382486696E+18
Volume
9.3124250365665E+27
Surface area
2.1405529946784E+19
Circumference
8200454598.802
Perimeter
5220571540
Area
1703397950266123225
Diagonal
1845750768.8017
Surface area
1.0220387701597E+19
Volume
2.2231777151134E+27
Space diagonal
2260573787.957
Perimeter
3915428655
Area
7.375929488424E+17
Altitude
1130286893.9785
Surface area
7.375929488424E+17
Volume
2.6200400635659E+26
Height
615250256.26725