261551142 is an even 9-digits composite number following 261551141
and preceding 261551143 . In scientific notation, it is written as 2.61551142 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 87001776 positive integers (up to 261551142) that are relatively prime to 261551142.
261551142 has 16 divisors, whose sum is 436828320
The reverse of 261551142 is 241155162
Previous prime number is 487
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred sixty-one million five hundred fifty-one thousand one hundred forty-two
Scientific notation
2.61551142 × 10^8
Engineering notation
2.61551142 × 10^6
Prime Factorization
2 × 9 × 487 × 29837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261551142
Product of the distinct prime numbers
The prime factorization of 261551142 is 2 × 9 × 487 × 29837.
Since it has a total of 4 prime factors.
5 , 3 , 10 , 76 , 975 , 905 , 1093 , 7331 , 21469 , 83364 , 826962 , 207892 , 7271508 , 4235790 , 86175162 , 24119291 , 801660147 , 896708571 , 2096654088 , 6384817273
n×2
523102284
n×3
784653426
n×4
1046204568
n×5
1307755710
n÷2
130775571
n÷3
87183714
n÷3
65387785.5
n÷5
52310228.4
n2
68408999881504164
n3
1.7892452042085E+25
n4
4.6797912647876E+33
n5
1.2240047496268E+42
2 √n
16172.542842732
3 √n
639.51716675367
4 √n
127.17131297086
5 √n
48.251556137043
1 , 2 , 9 , 18 , 487 , 974 , 4383 , 8766 , 29837 , 59674 , 268533 , 537066 , 14530619 , 29061238 , 130775571 , 261551142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261551141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261551142 can be divided by 16 positive divisors.
The sum of these divisors (counting 261551142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100101101111010000100110
3
Ternary
200020011011201100
4
Quaternary
33211233100212
5
Quinary
1013424114032
6
Senary
41541540530
8
Octal
1745572046
10
Decimal
261551142
12
Duodecimal
73714746
16
Hexadecimal
f96f426
20
Vigesimal
41edhh2
36
Base36
4bpy5i
md5
d60db6bc343d4cdb49239ff4941e0262
sha1
7f8b7f00188ccc89b9f005ff54f4b8b29df11d8e
sha256
e49012d1ef49c6c949488422df0eb2dcd3acf8169566d3028e09c5d86c8df168
sha512
aa58a68a60ae961277a30a1097abb1a32c38d0262202a96a42156efda2c798a44d6d263f8708040c52137bde900f149d319610f35c0657b44651db348602264a
ripemd-160
a10fff1101ccd5cbdb9dbe2e936227d29ddf6f7f
Diameter
523102284
Circumference
1643374292.4904
Area
2.1491321146716E+17
Volume
7.4947727853497E+25
Surface area
8.5965284586863E+17
Circumference
1643374292.4904
Perimeter
1046204568
Area
68408999881504164
Diagonal
369889172.27057
Surface area
410453999289024984
Volume
1.7892452042085E+25
Space diagonal
453019866.72166
Perimeter
784653426
Area
2.9621965872435E+16
Altitude
226509933.36083
Surface area
2.9621965872435E+16
Volume
2.1086456951689E+24
Height
123296390.75686