261011421 is an odd 9-digits composite number following 261011420
and preceding 261011422 . In scientific notation, it is written as 2.61011421 × 10^8.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 148882560 positive integers (up to 261011421) that are relatively prime to 261011421.
261011421 has 8 divisors, whose sum is 286602624
The reverse of 261011421 is 124110162
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred sixty-one million eleven thousand four hundred twenty-one
Scientific notation
2.61011421 × 10^8
Engineering notation
2.61011421 × 10^6
Prime Factorization
153 × 11 × 155087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261011421
Product of the distinct prime numbers
The prime factorization of 261011421 is 153 × 11 × 155087.
Since it has a total of 3 prime factors.
4 , 5 , 42 , 37 , 81 , 420 , 8583 , 1153 , 29345 , 71919 , 17517 , 566892 , 4237353 , 4881004 , 25861273 , 99479784 , 411051567 , 292234328 , 7985174600 , 734318768
n×2
522022842
n×3
783034263
n×4
1044045684
n×5
1305057105
n÷2
130505710.5
n÷3
87003807
n÷3
65252855.25
n÷5
52202284.2
n2
68126961892439241
n3
1.7781915131958E+25
n4
4.6412829366939E+33
n5
1.2114278545695E+42
2 √n
16155.847888613
3 √n
639.07697427697
4 √n
127.10565639897
5 √n
48.231625885262
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
-261011420
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 261011421 can be divided by 8 positive divisors.
The sum of these divisors (counting 261011421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100011101011011111011101
3
Ternary
200012010202100200
4
Quaternary
33203223133131
5
Quinary
1013304331141
6
Senary
41522214113
8
Octal
1743533735
10
Decimal
261011421
12
Duodecimal
734b4339
16
Hexadecimal
f8eb7dd
20
Vigesimal
41b68b1
36
Base36
4bedp9
md5
3ce6ff955d9953a19daf82405a863fe0
sha1
13d29fcfd6f2594a3d5bbfbf0e8136cad04bbec2
sha256
e2030988341834bb5f0c5af7b2814a5147d845577d05ac3febc1d801e36c3332
sha512
89fadd2360d469897ddeeead75ab7a23435d817b0a1e78d2ebc5ed98b6ef430a9fd83390d52ae4a24f15a1cf6727dc91b7382168dedb04fcb8a1dd373a873a4d
ripemd-160
814684eb5c6609fea2a365d1f07d0825ed2a9c50
Diameter
522022842
Circumference
1639983125.4333
Area
2.1402716299268E+17
Volume
7.448471192709E+25
Surface area
8.5610865197072E+17
Circumference
1639983125.4333
Perimeter
1044045684
Area
68126961892439241
Diagonal
369125891.51247
Surface area
408761771354635446
Volume
1.7781915131958E+25
Space diagonal
452085042.52775
Perimeter
783034263
Area
2.9499839840753E+16
Altitude
226042521.26388
Surface area
2.9499839840753E+16
Volume
2.0956187953819E+24
Height
123041963.83749