261609045 is an odd 9-digits composite number following 261609044
and preceding 261609046 . In scientific notation, it is written as 2.61609045 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 139349504 positive integers (up to 261609045) that are relatively prime to 261609045.
261609045 has 8 divisors, whose sum is 279400320
The reverse of 261609045 is 540906162
Previous prime number is 827
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred sixty-one million six hundred nine thousand forty-five
Scientific notation
2.61609045 × 10^8
Engineering notation
2.61609045 × 10^6
Prime Factorization
15 × 827 × 21089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261609045
Product of the distinct prime numbers
The prime factorization of 261609045 is 15 × 827 × 21089.
Since it has a total of 3 prime factors.
7 , 5 , 27 , 79 , 116 , 903 , 5838 , 2609 , 36573 , 20718 , 243277 , 374446 , 3527840 , 8702314 , 11022514 , 43754540 , 391661596 , 861427600 , 8094114791 , 6048335920
n×2
523218090
n×3
784827135
n×4
1046436180
n×5
1308045225
n÷2
130804522.5
n÷3
87203015
n÷3
65402261.25
n÷5
52321809
n2
68439292425812025
n3
1.7904337931992E+25
n4
4.6839367477458E+33
n5
1.2253602194182E+42
2 √n
16174.332907418
3 √n
639.56435603369
4 √n
127.17835078117
5 √n
48.253692363601
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
-261609044
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 261609045 can be divided by 8 positive divisors.
The sum of these divisors (counting 261609045) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100101111101011001010101
3
Ternary
200020021010010220
4
Quaternary
33211331121111
5
Quinary
1013432442140
6
Senary
41543104553
8
Octal
1745753125
10
Decimal
261609045
12
Duodecimal
73742159
16
Hexadecimal
f97d655
20
Vigesimal
41f12c5
36
Base36
4br6tx
md5
c426462c4f3c3e036250ed63bc63ac19
sha1
fafda29db16182e15ac68acb2087ee55751b5926
sha256
56189cbd6bd707305831d4b14946f60fc71621b929b3f15c95b233b1baad0f17
sha512
f15b334474810c02c6366ad6c74274807ac9157eebf4669aa413b6dc16bb5eee8e2fbff5135b886c1a219e42645619efa95c21a8cb9eaf84f27acfd61070a943
ripemd-160
83a7ae50a508836a49bc33868f8e0c03e1a29976
Diameter
523218090
Circumference
1643738107.7693
Area
2.1500837830181E+17
Volume
7.4997515352715E+25
Surface area
8.6003351320726E+17
Circumference
1643738107.7693
Perimeter
1046436180
Area
68439292425812025
Diagonal
369971059.47847
Surface area
410635754554872150
Volume
1.7904337931992E+25
Space diagonal
453120157.65957
Perimeter
784827135
Area
2.9635082928893E+16
Altitude
226560078.82979
Surface area
2.9635082928893E+16
Volume
2.1100464607279E+24
Height
123323686.49282