261396345 is an odd 9-digits composite number following 261396344
and preceding 261396346 . In scientific notation, it is written as 2.61396345 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 118879488 positive integers (up to 261396345) that are relatively prime to 261396345.
261396345 has 8 divisors, whose sum is 265246344
The reverse of 261396345 is 543693162
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred sixty-one million three hundred ninety-six thousand three hundred forty-five
Scientific notation
2.61396345 × 10^8
Engineering notation
2.61396345 × 10^6
Prime Factorization
105 × 197 × 12637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261396345
Product of the distinct prime numbers
The prime factorization of 261396345 is 105 × 197 × 12637.
Since it has a total of 3 prime factors.
5 , 3 , 4 , 1 , 248 , 600 , 7072 , 7422 , 81646 , 40600 , 497816 , 865850 , 3609285 , 8810726 , 14319273 , 64637113 , 555458296 , 656622707 , 7740251523 , 4989111388
n×2
522792690
n×3
784189035
n×4
1045585380
n×5
1306981725
n÷2
130698172.5
n÷3
87132115
n÷3
65349086.25
n÷5
52279269
n2
68328049179359025
n3
1.7860702316465E+25
n4
4.6687223046569E+33
n5
1.2203869462573E+42
2 √n
16167.756337847
3 √n
639.39097744272
4 √n
127.15249245629
5 √n
48.245843323143
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
-261396344
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 261396345 can be divided by 8 positive divisors.
The sum of these divisors (counting 261396345) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100101001001011101111001
3
Ternary
200012212022101010
4
Quaternary
33211021131321
5
Quinary
1013404140340
6
Senary
41534344133
8
Octal
1745113571
10
Decimal
261396345
12
Duodecimal
7365b049
16
Hexadecimal
f949779
20
Vigesimal
41deah5
36
Base36
4bmmpl
md5
360c14155b9edb70416fc72cc5253a21
sha1
b43b7c0042c47d62c805b8028f466b9f47493fe1
sha256
e748469f1bbbd9a807e5cbcc78dd2985fad09e05637d07137b12e708a362fd0e
sha512
c32e74ab48572efb9f61c5487cb77aa750973d8035c79417752cf7ab8b8154a2471fde13329a445260790fd0a1e1150104ba3624c922003b8d5fd0339ce75e1a
ripemd-160
ba2e89fd24ce1c61f8b2e5bd018a282c556a6619
Diameter
522792690
Circumference
1642401674.2544
Area
2.14658897336E+17
Volume
7.4814734913813E+25
Surface area
8.5863558934399E+17
Circumference
1642401674.2544
Perimeter
1045585380
Area
68328049179359025
Diagonal
369670256.25376
Surface area
409968295076154150
Volume
1.7860702316465E+25
Space diagonal
452751750.4528
Perimeter
784189035
Area
2.9586913190179E+16
Altitude
226375875.2264
Surface area
2.9586913190179E+16
Volume
2.1049039541211E+24
Height
123223418.75125