187890261 is an odd 9-digits composite number following 187890260
and preceding 187890262 . In scientific notation, it is written as 1.87890261 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 114430464 positive integers (up to 187890261) that are relatively prime to 187890261.
187890261 has 16 divisors, whose sum is 272577984
The reverse of 187890261 is 162098781
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred eighty-seven million eight hundred ninety thousand two hundred sixty-one
Scientific notation
1.87890261 × 10^8
Engineering notation
1.87890261 × 10^6
Prime Factorization
3 × 13 × 97 × 49667
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
187890261
Product of the distinct prime numbers
The prime factorization of 187890261 is 3 × 13 × 97 × 49667.
Since it has a total of 4 prime factors.
9 , 7 , 49 , 14 , 714 , 113 , 21 , 2224 , 15137 , 69763 , 43825 , 273600 , 1753822 , 2075347 , 23181561 , 46992551 , 478349504 , 790770321 , 5620976422 , 2953696103
n×2
375780522
n×3
563670783
n×4
751561044
n×5
939451305
n÷2
93945130.5
n÷3
62630087
n÷3
46972565.25
n÷5
37578052.2
n2
35302750178648121
n3
6.633042945084E+24
n4
1.246284170176E+33
n5
2.3416465801454E+41
2 √n
13707.30684708
3 √n
572.75394593244
4 √n
117.07820825021
5 √n
45.16279942756
1 , 3 , 13 , 39 , 97 , 291 , 1261 , 3783 , 49667 , 149001 , 645671 , 1937013 , 4817699 , 14453097 , 62630087 , 187890261
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
-187890260
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 187890261 can be divided by 16 positive divisors.
The sum of these divisors (counting 187890261) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011001100101111101001010101
3
Ternary
111002112210222120
4
Quaternary
23030233221111
5
Quinary
341044442021
6
Senary
30351050153
8
Octal
1314575125
10
Decimal
187890261
12
Duodecimal
52b10959
16
Hexadecimal
b32fa55
20
Vigesimal
2ie65d1
36
Base36
33v51x
md5
655f0ba426b4a09a39b1cd08d3c5baf3
sha1
a21b360d23e80e2cd3867f97f4def720bbca7d3b
sha256
2f79c33558e7f9521e4da899f994457d7c77979905be8a5ca4d5ba6b1b44336f
sha512
602579adb6306447af73747a64b4d18a66c88fd7da8afc9300f9f78834c436bf1534876c51bc8ba1308b659d42663ffc1987a896a7c22a0f8c8fd78293da6f74
ripemd-160
e271b063b3b869e518a7e5468232ee0a78eaf452
Diameter
375780522
Circumference
1180549327.2773
Area
1.1090686061276E+17
Volume
2.7784425316295E+25
Surface area
4.4362744245103E+17
Circumference
1180549327.2773
Perimeter
751561044
Area
35302750178648121
Diagonal
265716955.34402
Surface area
211816501071888726
Volume
6.633042945084E+24
Space diagonal
325435478.29938
Perimeter
563670783
Area
1.5286539239082E+16
Altitude
162717739.14969
Surface area
1.5286539239082E+16
Volume
7.8171160772841E+23
Height
88572318.448007