187420145 is an odd 9-digits composite number following 187420144
and preceding 187420146 . In scientific notation, it is written as 1.87420145 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 134952000 positive integers (up to 187420145) that are relatively prime to 187420145.
187420145 has 16 divisors, whose sum is 247786560
The reverse of 187420145 is 541024781
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred eighty-seven million four hundred twenty thousand one hundred forty-five
Scientific notation
1.87420145 × 10^8
Engineering notation
1.87420145 × 10^6
Prime Factorization
5 × 11 × 101 × 33739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
187420145
Product of the distinct prime numbers
The prime factorization of 187420145 is 5 × 11 × 101 × 33739.
Since it has a total of 4 prime factors.
7 , 7 , 17 , 65 , 854 , 379 , 2809 , 7012 , 80261 , 64896 , 923242 , 835786 , 4360903 , 6191672 , 44841496 , 85148517 , 157951603 , 465790166 , 2650204762 , 5805496836
n×2
374840290
n×3
562260435
n×4
749680580
n×5
937100725
n÷2
93710072.5
n÷3
62473381.666667
n÷3
46855036.25
n÷5
37484029
n2
35126310751821025
n3
6.5833782544214E+24
n4
1.2338577070335E+33
n5
2.3124979036159E+41
2 √n
13690.147734776
3 √n
572.27585537796
4 √n
117.00490474667
5 √n
45.140176609477
1 , 5 , 11 , 55 , 101 , 505 , 1111 , 5555 , 33739 , 168695 , 371129 , 1855645 , 3407639 , 17038195 , 37484029 , 187420145
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
-187420144
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 187420145 can be divided by 16 positive divisors.
The sum of these divisors (counting 187420145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011001010111100110111110001
3
Ternary
111001122221002212
4
Quaternary
23022330313301
5
Quinary
340434421040
6
Senary
30333021505
8
Octal
1312746761
10
Decimal
187420145
12
Duodecimal
52924895
16
Hexadecimal
b2bcdf1
20
Vigesimal
2ib7a75
36
Base36
33l2b5
md5
d652023ec50a13785e957fb2d128ab50
sha1
2739008ba6a0a6eb660b772832b420071a46e175
sha256
f19953efba0324d30e7407aa3a542241682933d6f708f6088465c3fb8e195029
sha512
c1f72c8a598f64fbf4082f8ff9693806796162c6e832526bdb996c8faeb655052b1873640a30aed42d5387ce9f5f55ddbe7629d96bd431bcf9c7a15c9fa45ef8
ripemd-160
6506ba537c9ef8d7317c0549bc88a655d35a5c31
Diameter
374840290
Circumference
1177595501.3335
Area
1.1035255980563E+17
Volume
2.7576390346524E+25
Surface area
4.4141023922253E+17
Circumference
1177595501.3335
Perimeter
749680580
Area
35126310751821025
Diagonal
265052110.92093
Surface area
210757864510926150
Volume
6.5833782544214E+24
Space diagonal
324621213.50193
Perimeter
562260435
Area
1.5210138726152E+16
Altitude
162310606.75096
Surface area
1.5210138726152E+16
Volume
7.758585678029E+23
Height
88350703.640311