261353139 is an odd 9-digits composite number following 261353138
and preceding 261353140 . In scientific notation, it is written as 2.61353139 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 172136040 positive integers (up to 261353139) that are relatively prime to 261353139.
261353139 has 8 divisors, whose sum is 352669632
The reverse of 261353139 is 931353162
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred sixty-one million three hundred fifty-three thousand one hundred thirty-nine
Scientific notation
2.61353139 × 10^8
Engineering notation
2.61353139 × 10^6
Prime Factorization
3 × 83 × 1049611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261353139
Product of the distinct prime numbers
The prime factorization of 261353139 is 3 × 83 × 1049611.
Since it has a total of 3 prime factors.
3 , 8 , 30 , 41 , 765 , 549 , 2622 , 2354 , 94235 , 30661 , 208490 , 983578 , 9633736 , 186342 , 30617002 , 44083764 , 990178877 , 249338234 , 2188793337 , 368941135
n×2
522706278
n×3
784059417
n×4
1045412556
n×5
1306765695
n÷2
130676569.5
n÷3
87117713
n÷3
65338284.75
n÷5
52270627.8
n2
68305463265153321
n3
1.7851847235197E+25
n4
4.6656363118672E+33
n5
1.2193786955389E+42
2 √n
16166.420104649
3 √n
639.35574735464
4 √n
127.14723789626
5 √n
48.244248314048
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
-261353138
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 261353139 can be divided by 8 positive divisors.
The sum of these divisors (counting 261353139) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100100111110111010110011
3
Ternary
200012210010002220
4
Quaternary
33210332322303
5
Quinary
1013401300024
6
Senary
41533412123
8
Octal
1744767263
10
Decimal
261353139
12
Duodecimal
7363a043
16
Hexadecimal
f93eeb3
20
Vigesimal
41d92gj
36
Base36
4blpdf
md5
344be03da86481cfa84373d5c4801983
sha1
acdef35df0a63a043269343ff3019a63dbd9d8e6
sha256
d8163ab1850dc0e74949d1ca931c86f8f297910bc249caf144b43293973cf310
sha512
652a426b2d61bdd88af9d0925940d79ea0329fefb9c8c06cef6e4d73d468ea5353ff1def5fbb6ff9096b6f05a05cc8f13dd20ea8c647f8520cdffc6129944819
ripemd-160
256087bf4887240bfd3361d1db2f651d71a68338
Diameter
522706278
Circumference
1642130202.9501
Area
2.1458794159385E+17
Volume
7.4777642836136E+25
Surface area
8.5835176637541E+17
Circumference
1642130202.9501
Perimeter
1045412556
Area
68305463265153321
Diagonal
369609153.74258
Surface area
409832779590919926
Volume
1.7851847235197E+25
Space diagonal
452676915.46561
Perimeter
784059417
Area
2.9577133202444E+16
Altitude
226338457.73281
Surface area
2.9577133202444E+16
Volume
2.1038603727857E+24
Height
123203051.24753