261111389 is an odd 9-digits composite number following 261111388
and preceding 261111390 . In scientific notation, it is written as 2.61111389 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 196445760 positive integers (up to 261111389) that are relatively prime to 261111389.
261111389 has 16 divisors, whose sum is 336769920
The reverse of 261111389 is 983111162
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred sixty-one million one hundred eleven thousand three hundred eighty-nine
Scientific notation
2.61111389 × 10^8
Engineering notation
2.61111389 × 10^6
Prime Factorization
7 × 11 × 29 × 116933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261111389
Product of the distinct prime numbers
The prime factorization of 261111389 is 7 × 11 × 29 × 116933.
Since it has a total of 4 prime factors.
4 , 5 , 74 , 68 , 210 , 208 , 1097 , 6693 , 18116 , 75599 , 403962 , 501942 , 9552613 , 9537875 , 58666364 , 46718523 , 414873279 , 175371855 , 6860597581 , 7564932322
n×2
522222778
n×3
783334167
n×4
1044445556
n×5
1305556945
n÷2
130555694.5
n÷3
87037129.666667
n÷3
65277847.25
n÷5
52222277.8
n2
68179157465509321
n3
1.7802354506669E+25
n4
4.6483975127067E+33
n5
1.213749531167E+42
2 √n
16158.941456667
3 √n
639.15855320065
4 √n
127.11782509415
5 √n
48.23531988505
1 , 7 , 11 , 29 , 77 , 203 , 319 , 2233 , 116933 , 818531 , 1286263 , 3391057 , 9003841 , 23737399 , 37301627 , 261111389
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
-261111388
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 261111389 can be divided by 16 positive divisors.
The sum of these divisors (counting 261111389) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100100000011111001011101
3
Ternary
200012022211111012
4
Quaternary
33210003321131
5
Quinary
1013321031024
6
Senary
41524305005
8
Octal
1744037135
10
Decimal
261111389
12
Duodecimal
73542165
16
Hexadecimal
f903e5d
20
Vigesimal
41bii99
36
Base36
4bgiu5
md5
c37aac9c04d3e67138842a812536c1a0
sha1
6c87e8d1dd4122e4a9d01ddfe45d5df413d243b6
sha256
fc6e955a6b04f311b5de881f61889ff054bb660dda9c3e5a98c8a7e61cebf7d4
sha512
370c586f7d3b060d12702f007a2c49492957fff19df3a8726d4e03ffeb0fdeb46605b2fed1923aacef4a2cd103779dcd37b7ea4e87cdd2961aae3024bb446ca1
ripemd-160
90a4bcbcdb03c2309ebf464dbd938a5f8121d0d3
Diameter
522222778
Circumference
1640611242.9021
Area
2.1419114022159E+17
Volume
7.4570328179669E+25
Surface area
8.5676456088634E+17
Circumference
1640611242.9021
Perimeter
1044445556
Area
68179157465509321
Diagonal
369267267.61388
Surface area
409074944793055926
Volume
1.7802354506669E+25
Space diagonal
452258192.18288
Perimeter
783334167
Area
2.9522441186875E+16
Altitude
226129096.09144
Surface area
2.9522441186875E+16
Volume
2.0980275987921E+24
Height
123089089.20463