187131421 is an odd 9-digits composite number following 187131420
and preceding 187131422 . In scientific notation, it is written as 1.87131421 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 179470560 positive integers (up to 187131421) that are relatively prime to 187131421.
187131421 has 8 divisors, whose sum is 194947200
The reverse of 187131421 is 124131781
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred eighty-seven million one hundred thirty-one thousand four hundred twenty-one
Scientific notation
1.87131421 × 10^8
Engineering notation
1.87131421 × 10^6
Prime Factorization
41 × 59 × 77359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
187131421
Product of the distinct prime numbers
The prime factorization of 187131421 is 41 × 59 × 77359.
Since it has a total of 3 prime factors.
10 , 7 , 27 , 66 , 696 , 1000 , 3589 , 2545 , 63783 , 35366 , 146863 , 852562 , 201240 , 3107154 , 83183910 , 23517387 , 148819932 , 394936116 , 8443381520 , 3978401878
n×2
374262842
n×3
561394263
n×4
748525684
n×5
935657105
n÷2
93565710.5
n÷3
62377140.333333
n÷3
46782855.25
n÷5
37426284.2
n2
35018168725479241
n3
6.5529996744167E+24
n4
1.2262721408861E+33
n5
2.2947404825673E+41
2 √n
13679.598714875
3 √n
571.98183736973
4 √n
116.95981666741
5 √n
45.126260185669
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
-187131420
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 187131421 can be divided by 8 positive divisors.
The sum of these divisors (counting 187131421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011001001110110011000011101
3
Ternary
111001010021001101
4
Quaternary
23021312120131
5
Quinary
340401201141
6
Senary
30322513101
8
Octal
1311663035
10
Decimal
187131421
12
Duodecimal
52805791
16
Hexadecimal
b27661d
20
Vigesimal
2i9b8b1
36
Base36
33evj1
md5
d4ad00a0536f5e0a3e98fcb731f2be5b
sha1
ada61270da36125cc7ebbe8bc55c8ee46ec3dc24
sha256
6c5c663093f8d62fe68b304f75353ce56347e04513402570875323c6e9855796
sha512
c1b4c97e05210baf0ed2a9d35c7b5f6936cd40fb62313e62374b1353115c4660e38d2a133f24ea301f52f24067000aad794b7432cf7f9eca280bcdcffb22c0fe
ripemd-160
51729984de964ca9281876d3f77cdb0213106165
Diameter
374262842
Circumference
1175781394.9388
Area
1.1001282161013E+17
Volume
2.7449140848165E+25
Surface area
4.4005128644053E+17
Circumference
1175781394.9388
Perimeter
748525684
Area
35018168725479241
Diagonal
264643793.52435
Surface area
210109012352875446
Volume
6.5529996744167E+24
Space diagonal
324121128.86456
Perimeter
561394263
Area
1.5163311855137E+16
Altitude
162060564.43228
Surface area
1.5163311855137E+16
Volume
7.7227841781555E+23
Height
88214597.84145