261389416 is an even 9-digits composite number following 261389415
and preceding 261389417 . In scientific notation, it is written as 2.61389416 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 123006720 positive integers (up to 261389416) that are relatively prime to 261389416.
261389416 has 16 divisors, whose sum is 518935140
The reverse of 261389416 is 614983162
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred sixty-one million three hundred eighty-nine thousand four hundred sixteen
Scientific notation
2.61389416 × 10^8
Engineering notation
2.61389416 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 1921981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
65347354
Product of the distinct prime numbers
The prime factorization of 261389416 is 2 × 2 × 2 × 17 × 1921981.
Since it has a total of 5 prime factors.
10 , 6 , 26 , 6 , 755 , 86 , 8058 , 3674 , 98333 , 91094 , 931533 , 35390 , 5417094 , 9980899 , 7413666 , 28911894 , 290255997 , 130117367 , 6343174530 , 5168459703
n×2
522778832
n×3
784168248
n×4
1045557664
n×5
1306947080
n÷2
130694708
n÷3
87129805.333333
n÷3
65347354
n÷5
52277883.2
n2
68324426796821056
n3
1.7859282018956E+25
n4
4.6682272971142E+33
n5
1.2202252069479E+42
2 √n
16167.542051901
3 √n
639.38532781103
4 √n
127.15164981982
5 √n
48.24558754375
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 1921981 , 3843962 , 7687924 , 15375848 , 32673677 , 65347354 , 130694708 , 261389416
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261389415
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261389416 can be divided by 16 positive divisors.
The sum of these divisors (counting 261389416) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100101000111110001101000
3
Ternary
200012211221212111
4
Quaternary
33211013301220
5
Quinary
1013403430131
6
Senary
41534252104
8
Octal
1745076150
10
Decimal
261389416
12
Duodecimal
73657034
16
Hexadecimal
f947c68
20
Vigesimal
41dddag
36
Base36
4bmhd4
md5
111d6a3b66405f76758d81e0faa7f08c
sha1
f16e7c07205515e66686fbef31ffdba8cf6c3142
sha256
51f2f8f590dd9acf63cb380eefc7fd0e216bf4cf3fd106bcbfe1e01abffaddfa
sha512
0d2a6672cd6af35fc652df53aae819415010b27ee6ea8c3ca5e9022e2a2dfcdcb63965d480f7bb6e0ee7bf0bc8c621bef7e7c1761a0a20c4afd1788ab2305b7b
ripemd-160
978b1052b7934ee548f11a2420e5bea990ee2541
Diameter
522778832
Circumference
1642358138.0635
Area
2.1464751728563E+17
Volume
7.480878558552E+25
Surface area
8.5859006914251E+17
Circumference
1642358138.0635
Perimeter
1045557664
Area
68324426796821056
Diagonal
369660457.16798
Surface area
409946560780926336
Volume
1.7859282018956E+25
Space diagonal
452739749.07276
Perimeter
784168248
Area
2.9585344652529E+16
Altitude
226369874.53638
Surface area
2.9585344652529E+16
Volume
2.1047365704544E+24
Height
123220152.38933