187442921 is an odd 9-digits composite number following 187442920
and preceding 187442922 . In scientific notation, it is written as 1.87442921 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 179201904 positive integers (up to 187442921) that are relatively prime to 187442921.
187442921 has 12 divisors, whose sum is 196037712
The reverse of 187442921 is 129244781
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred eighty-seven million four hundred forty-two thousand nine hundred twenty-one
Scientific notation
1.87442921 × 10^8
Engineering notation
1.87442921 × 10^6
Prime Factorization
29 × 107 × 29 × 2083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6463549
Product of the distinct prime numbers
The prime factorization of 187442921 is 29 × 107 × 29 × 2083.
Since it has a total of 4 prime factors.
9 , 7 , 66 , 41 , 456 , 132 , 7363 , 657 , 81915 , 98481 , 8466 , 250292 , 2383758 , 6566955 , 21963627 , 48777286 , 384269670 , 953781512 , 1395964128 , 2353260179
n×2
374885842
n×3
562328763
n×4
749771684
n×5
937214605
n÷2
93721460.5
n÷3
62480973.666667
n÷3
46860730.25
n÷5
37488584.2
n2
35134848633012241
n3
6.5857786566647E+24
n4
1.2344575884647E+33
n5
2.3139033623244E+41
2 √n
13690.979548593
3 √n
572.29903614281
4 √n
117.00845930356
5 √n
45.141273676914
1 , 29 , 107 , 841 , 2083 , 3103 , 60407 , 89987 , 222881 , 1751803 , 6463549 , 187442921
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-187442920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 187442921 can be divided by 12 positive divisors.
The sum of these divisors (counting 187442921) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011001011000010011011101001
3
Ternary
111001201002100102
4
Quaternary
23023002123221
5
Quinary
340441133141
6
Senary
30333315145
8
Octal
1313023351
10
Decimal
187442921
12
Duodecimal
52935ab5
16
Hexadecimal
b2c26e9
20
Vigesimal
2iba761
36
Base36
33ljvt
md5
b0b626cb3e26e2553ce36060c3d02c53
sha1
c186deadb1210a8bdd5a8c1b90888a377298b3dc
sha256
e365e4690a608c126af1f7ca6fc395a7ed5754d13bed520b112c7b24ad1f5775
sha512
b54242e22a7a58a469d7d336c6ded35b933fdf66fe6c7ac126e0175e510e2ebb1668834c7e6c9b2407c82229f0512d97324f19f782185b901efaeb41c4e0b6d5
ripemd-160
9b0566856b7c2e0f8ccb9c91d861c52a06d3b831
Diameter
374885842
Circumference
1177738607.162
Area
1.1037938235046E+17
Volume
2.7586445127928E+25
Surface area
4.4151752940184E+17
Circumference
1177738607.162
Perimeter
749771684
Area
35134848633012241
Diagonal
265084321.04903
Surface area
210809091798073446
Volume
6.5857786566647E+24
Space diagonal
324660662.69112
Perimeter
562328763
Area
1.5213835737155E+16
Altitude
162330331.34556
Surface area
1.5213835737155E+16
Volume
7.761414579202E+23
Height
88361440.349676