261542013 is an odd 9-digits composite number following 261542012
and preceding 261542014 . In scientific notation, it is written as 2.61542013 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 174184464 positive integers (up to 261542013) that are relatively prime to 261542013.
261542013 has 8 divisors, whose sum is 349076448
The reverse of 261542013 is 310245162
Previous prime number is 997
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred sixty-one million five hundred forty-two thousand thirteen
Scientific notation
2.61542013 × 10^8
Engineering notation
2.61542013 × 10^6
Prime Factorization
3 × 997 × 87443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261542013
Product of the distinct prime numbers
The prime factorization of 261542013 is 3 × 997 × 87443.
Since it has a total of 3 prime factors.
3 , 8 , 17 , 51 , 703 , 637 , 1478 , 7833 , 36464 , 78617 , 527293 , 976008 , 2700451 , 4113462 , 16574812 , 5524083 , 819631791 , 254341751 , 2232247812 , 6856958435
n×2
523084026
n×3
784626039
n×4
1046168052
n×5
1307710065
n÷2
130771006.5
n÷3
87180671
n÷3
65385503.25
n÷5
52308402.6
n2
68404224564092169
n3
1.7890578590197E+25
n4
4.6791379382148E+33
n5
1.2237911554654E+42
2 √n
16172.260602649
3 √n
639.50972624561
4 √n
127.17020328147
5 √n
48.251219304558
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
-261542012
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 261542013 can be divided by 8 positive divisors.
The sum of these divisors (counting 261542013) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100101101101000001111101
3
Ternary
200020010201012020
4
Quaternary
33211231001331
5
Quinary
1013423321023
6
Senary
41541430353
8
Octal
1745550175
10
Decimal
261542013
12
Duodecimal
7370b3b9
16
Hexadecimal
f96d07d
20
Vigesimal
41ecf0d
36
Base36
4bpr3x
md5
79728c9114c49b3d4416bbe323597827
sha1
90d6a8b7cc25da2687baf1df9a9ad5524f799fac
sha256
23885d133fde887f21c99621e1dfc2ebe0a546e3184fdfdc1534d9d599913033
sha512
82af03dfc970513ee3c25d6603c35e8843e7fb73d918df19e5890f080091ddb267add25402cabfd9060589a450e29d37c59af06f370c753ca43ac7c059a30c41
ripemd-160
c3c5467433840f9ffa0007732beb49a719419f38
Diameter
523084026
Circumference
1643316933.2918
Area
2.1489820936506E+17
Volume
7.4939880356577E+25
Surface area
8.5959283746023E+17
Circumference
1643316933.2918
Perimeter
1046168052
Area
68404224564092169
Diagonal
369876261.91496
Surface area
410425347384553014
Volume
1.7890578590197E+25
Space diagonal
453004054.82984
Perimeter
784626039
Area
2.961989809934E+16
Altitude
226502027.41492
Surface area
2.961989809934E+16
Volume
2.1084249067465E+24
Height
123292087.30499