261340243 is an odd 9-digits prime number following 261340242
and preceding 261340244 . In scientific notation, it is written as 2.61340243 × 10^8.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 261340242 positive integers (up to 261340243) that are relatively prime to 261340243.
261340243 has 2 divisors, whose sum is 261340244
The reverse of 261340243 is 342043162
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred sixty-one million three hundred forty thousand two hundred forty-three
Scientific notation
2.61340243 × 10^8
Engineering notation
2.61340243 × 10^6
Prime Factorization
261340243
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
261340243
Product of the distinct prime numbers
The prime factorization of 261340243 is 261340243.
Since it has a total of 1 prime factors.
3 , 5 , 90 , 36 , 638 , 173 , 5371 , 5353 , 66501 , 96266 , 845891 , 377718 , 4462382 , 2691408 , 65194576 , 88782594 , 745291873 , 678276913 , 41698982 , 8171985456
n×2
522680486
n×3
784020729
n×4
1045360972
n×5
1306701215
n÷2
130670121.5
n÷3
87113414.333333
n÷3
65335060.75
n÷5
52268048.6
n2
68298722611299049
n3
1.7849204763826E+25
n4
4.6647155103352E+33
n5
1.2190778849969E+42
2 √n
16166.021248285
3 √n
639.345231229
4 √n
127.14566940437
5 √n
48.24377219954
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
261340244
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
130670122
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
16166.021279214
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999923471
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261340243 can be divided by 2 positive divisors.
The sum of these divisors (counting 261340243) is 261340244, the average is 130670122.
Base
System
Value
2
Binary
1111100100111011110001010011
3
Ternary
200012202110102021
4
Quaternary
33210323301103
5
Quinary
1013400341433
6
Senary
41533232311
8
Octal
1744736123
10
Decimal
261340243
12
Duodecimal
73632697
16
Hexadecimal
f93bc53
20
Vigesimal
41d7ac3
36
Base36
4blff7
md5
642997d09964b02b25d7d230cccad0c3
sha1
349821ca91eaebd2a54c3a365262446b01608584
sha256
c5ed4df9cb76f7d20384749b4f725a2088ba815f161728236d9dddb83ccb4e2a
sha512
e5d3987ae1a4b17a729dba2d559690f0c8a41b21cc1502bf192f2ffbad2055fb850aab33ecf2e8fcd67cb27fee3fdfc38ea9d5d9172fec735b61a9d3d6e35445
ripemd-160
924a9a0f563f4904ea895cf527474f4bfbf8dab9
Diameter
522680486
Circumference
1642049174.9923
Area
2.1456676520522E+17
Volume
7.4766574077943E+25
Surface area
8.582670608209E+17
Circumference
1642049174.9923
Perimeter
1045360972
Area
68298722611299049
Diagonal
369590916.04448
Surface area
409792335667794294
Volume
1.7849204763826E+25
Space diagonal
452654578.9384
Perimeter
784020729
Area
2.9574214413706E+16
Altitude
226327289.4692
Surface area
2.9574214413706E+16
Volume
2.1035489545482E+24
Height
123196972.01483