261551138 is an even 9-digits composite number following 261551137
and preceding 261551139 . In scientific notation, it is written as 2.61551138 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 130328944 positive integers (up to 261551138) that are relatively prime to 261551138.
261551138 has 8 divisors, whose sum is 393666588
The reverse of 261551138 is 831155162
Previous prime number is 293
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred sixty-one million five hundred fifty-one thousand one hundred thirty-eight
Scientific notation
2.61551138 × 10^8
Engineering notation
2.61551138 × 10^6
Prime Factorization
2 × 293 × 446333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261551138
Product of the distinct prime numbers
The prime factorization of 261551138 is 2 × 293 × 446333.
Since it has a total of 3 prime factors.
4 , 5 , 10 , 99 , 290 , 727 , 2268 , 7454 , 89890 , 54221 , 10661 , 603831 , 8852716 , 1217988 , 63797005 , 53010966 , 349169956 , 9559930 , 4843426130 , 4472867134
n×2
523102276
n×3
784653414
n×4
1046204552
n×5
1307755690
n÷2
130775569
n÷3
87183712.666667
n÷3
65387784.5
n÷5
52310227.6
n2
68408997789095044
n3
1.7892451221177E+25
n4
4.6797909785084E+33
n5
1.224004656031E+42
2 √n
16172.542719066
3 √n
639.51716349354
4 √n
127.17131248464
5 √n
48.251555989457
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
-261551137
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 261551138 can be divided by 8 positive divisors.
The sum of these divisors (counting 261551138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100101101111010000100010
3
Ternary
200020011011201012
4
Quaternary
33211233100202
5
Quinary
1013424114023
6
Senary
41541540522
8
Octal
1745572042
10
Decimal
261551138
12
Duodecimal
73714742
16
Hexadecimal
f96f422
20
Vigesimal
41edhgi
36
Base36
4bpy5e
md5
441a7ccb1c7e150f39c6c7db780af0e4
sha1
3b69b30d1578166105f01a4d5ecc0f0e3a5f6ec6
sha256
5d2826aeeede17c5c8001eff4c7a10460a222035ac5f0b7f554fd060ff8808bc
sha512
a5b734b38006aa5a016cf75c5a1f90dd72ebb68aa8636461a96d53dd3221570d21653db3bf3fca29b6f8857514e69774077103ceea3c34bb5155c93ca791e2fc
ripemd-160
6f38729889cf9b7b4aa98da2482af19da746b862
Diameter
523102276
Circumference
1643374267.3577
Area
2.1491320489366E+17
Volume
7.4947724414886E+25
Surface area
8.5965281957465E+17
Circumference
1643374267.3577
Perimeter
1046204552
Area
68408997789095044
Diagonal
369889166.61372
Surface area
410453986734570264
Volume
1.7892451221177E+25
Space diagonal
453019859.79346
Perimeter
784653414
Area
2.9621964966395E+16
Altitude
226509929.89673
Surface area
2.9621964966395E+16
Volume
2.108645598424E+24
Height
123296388.87124