261640156 is an even 9-digits composite number following 261640155
and preceding 261640157 . In scientific notation, it is written as 2.61640156 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 130770080 positive integers (up to 261640156) that are relatively prime to 261640156.
261640156 has 12 divisors, whose sum is 458045280
The reverse of 261640156 is 651046162
Previous prime number is 2969
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred sixty-one million six hundred forty thousand one hundred fifty-six
Scientific notation
2.61640156 × 10^8
Engineering notation
2.61640156 × 10^6
Prime Factorization
2 × 2 × 2969 × 22031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
130820078
Product of the distinct prime numbers
The prime factorization of 261640156 is 2 × 2 × 2969 × 22031.
Since it has a total of 4 prime factors.
7 , 1 , 39 , 65 , 732 , 975 , 4079 , 3528 , 64007 , 76235 , 734424 , 636695 , 9714675 , 9794370 , 93470885 , 87812040 , 106407249 , 920604218 , 6194376910 , 1535299451
n×2
523280312
n×3
784920468
n×4
1046560624
n×5
1308200780
n÷2
130820078
n÷3
87213385.333333
n÷3
65410039
n÷5
52328031.2
n2
68455571231704336
n3
1.7910726336132E+25
n4
4.6861652326589E+33
n5
1.2260890025147E+42
2 √n
16175.294618646
3 √n
639.58970772848
4 √n
127.18213167991
5 √n
48.254839991518
1 , 2 , 4 , 2969 , 5938 , 11876 , 22031 , 44062 , 88124 , 65410039 , 130820078 , 261640156
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261640155
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261640156 can be divided by 12 positive divisors.
The sum of these divisors (counting 261640156) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111100110000100111111011100
3
Ternary
200020022200211011
4
Quaternary
33212010333130
5
Quinary
1013434441111
6
Senary
41543505004
8
Octal
1746047734
10
Decimal
261640156
12
Duodecimal
73758164
16
Hexadecimal
f984fdc
20
Vigesimal
41f507g
36
Base36
4bruu4
md5
aaeedbb3ff294392fe2dead65197d0b8
sha1
713aff8a1249514aa78eaa1e3c627f741e52f68a
sha256
4a368a721422ef9bac5208f54faaa807409ffb68d3bf84084db72583c871fe08
sha512
2b14be32bc42e1e0bc89d8d41b791fdd69afbe6064a416b104e262275ae9661d134aa390d46804c82f4634ad81263da4aeb739c5438a99722ec76e36ad1906f5
ripemd-160
657b6ec3b0c7bb7363f99a95d1dcec6893b44c05
Diameter
523280312
Circumference
1643933583.9474
Area
2.1505951967882E+17
Volume
7.50242750374E+25
Surface area
8.6023807871526E+17
Circumference
1643933583.9474
Perimeter
1046560624
Area
68455571231704336
Diagonal
370015057.07661
Surface area
410733427390226016
Volume
1.7910726336132E+25
Space diagonal
453174043.49225
Perimeter
784920468
Area
2.9642131858616E+16
Altitude
226587021.74612
Surface area
2.9642131858616E+16
Volume
2.1107993413759E+24
Height
123338352.35887