261631306 is an even 9-digits composite number following 261631305
and preceding 261631307 . In scientific notation, it is written as 2.61631306 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 130634988 positive integers (up to 261631306) that are relatively prime to 261631306.
261631306 has 8 divisors, whose sum is 392988960
The reverse of 261631306 is 603136162
Previous prime number is 727
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred sixty-one million six hundred thirty-one thousand three hundred six
Scientific notation
2.61631306 × 10^8
Engineering notation
2.61631306 × 10^6
Prime Factorization
2 × 727 × 179939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261631306
Product of the distinct prime numbers
The prime factorization of 261631306 is 2 × 727 × 179939.
Since it has a total of 3 prime factors.
2 , 7 , 37 , 6 , 913 , 998 , 9828 , 3928 , 85722 , 40947 , 360559 , 315180 , 6788381 , 1507754 , 13309416 , 92293966 , 886300883 , 518087387 , 9510984269 , 2739128875
n×2
523262612
n×3
784893918
n×4
1046525224
n×5
1308156530
n÷2
130815653
n÷3
87210435.333333
n÷3
65407826.5
n÷5
52326261.2
n2
68450940279265636
n3
1.7908908902192E+25
n4
4.6855312251156E+33
n5
1.2258816537308E+42
2 √n
16175.021050991
3 √n
639.58249625551
4 √n
127.18105617973
5 √n
48.254513542307
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
-261631305
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 261631306 can be divided by 8 positive divisors.
The sum of these divisors (counting 261631306) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100110000010110101001010
3
Ternary
200020022020200101
4
Quaternary
33212002311022
5
Quinary
1013434200211
6
Senary
41543400014
8
Octal
1746026512
10
Decimal
261631306
12
Duodecimal
7375300a
16
Hexadecimal
f982d4a
20
Vigesimal
41f3i56
36
Base36
4bro0a
md5
267a51b1ccd12452c10e6f16c20f6f61
sha1
01c5424a4a5be5c34313694f87f4697f38af4720
sha256
9acebce83f773953422eac4b563e62b6e0f666dfbec5bb4ee8903fa91fc1ccf4
sha512
75dac11925ca3219a7cf8f5d6f05995f02b3f4d6340ce9f78f4ff578d325bf6b9b174d71a09bae47cf51f205b934395cd6182fea3f932d0321123b138f46d0b1
ripemd-160
5be97c6dad8984bf103b009a14f4c5d8608f0126
Diameter
523262612
Circumference
1643877977.7574
Area
2.1504497111265E+17
Volume
7.5016662187915E+25
Surface area
8.6017988445062E+17
Circumference
1643877977.7574
Perimeter
1046525224
Area
68450940279265636
Diagonal
370002541.28659
Surface area
410705641675593816
Volume
1.7908908902192E+25
Space diagonal
453158714.8426
Perimeter
784893918
Area
2.9640126597388E+16
Altitude
226579357.4213
Surface area
2.9640126597388E+16
Volume
2.110585154732E+24
Height
123334180.42886