261298984 is an even 9-digits composite number following 261298983
and preceding 261298985 . In scientific notation, it is written as 2.61298984 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 8 positive divisors.
There are 130649488 positive integers (up to 261298984) that are relatively prime to 261298984.
261298984 has 8 divisors, whose sum is 489935610
The reverse of 261298984 is 489892162
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred sixty-one million two hundred ninety-eight thousand nine hundred eighty-four
Scientific notation
2.61298984 × 10^8
Engineering notation
2.61298984 × 10^6
Prime Factorization
2 × 2 × 2 × 32662373
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65324746
Product of the distinct prime numbers
The prime factorization of 261298984 is 2 × 2 × 2 × 32662373.
Since it has a total of 4 prime factors.
10 , 9 , 7 , 39 , 418 , 241 , 4483 , 8631 , 29645 , 76895 , 568605 , 807765 , 7294230 , 4740032 , 86571090 , 88448106 , 609595481 , 319493870 , 8986798270 , 509628933
n×2
522597968
n×3
783896952
n×4
1045195936
n×5
1306494920
n÷2
130649492
n÷3
87099661.333333
n÷3
65324746
n÷5
52259796.8
n2
68277159039432256
n3
1.784075228741E+25
n4
4.6617704464959E+33
n5
1.2181158813106E+42
2 √n
16164.745095423
3 √n
639.31158398956
4 √n
127.14065083766
5 √n
48.242248809582
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
-261298983
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 261298984 can be divided by 8 positive divisors.
The sum of these divisors (counting 261298984) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100100110001101100101000
3
Ternary
200012200100211011
4
Quaternary
33210301230220
5
Quinary
1013343031414
6
Senary
41532313304
8
Octal
1744615450
10
Decimal
261298984
12
Duodecimal
73612834
16
Hexadecimal
f931b28
20
Vigesimal
41d2794
36
Base36
4bkjl4
md5
af4085ef95d66446ebcc229365b5a2ff
sha1
7a85e7ec790bc037681f82b1e42284c6717a3b88
sha256
c867a0b9feb6d52d8613ede9c4a6f6fd3f109d2d603ac07a8009d78e075bc943
sha512
b095b7872ddc149034c91b6fbb3d770211cb67f3264a5b159a8af4b30ac372be43b89384bc7234d91fb8afd7728939e9c606d8d612d3dbcdbf60badaad895ab2
ripemd-160
a8283510c5edd5ff4aa25f85273bd2ce2177eaa6
Diameter
522597968
Circumference
1641789937.0498
Area
2.1449902124626E+17
Volume
7.4731168427524E+25
Surface area
8.5799608498505E+17
Circumference
1641789937.0498
Perimeter
1045195936
Area
68277159039432256
Diagonal
369532567.00711
Surface area
409662954236593536
Volume
1.784075228741E+25
Space diagonal
452583116.25413
Perimeter
783896952
Area
2.9564877113189E+16
Altitude
226291558.12706
Surface area
2.9564877113189E+16
Volume
2.1025528206495E+24
Height
123177522.3357