189997887 is an odd 9-digits composite number following 189997886
and preceding 189997888 . In scientific notation, it is written as 1.89997887 × 10^8.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 126625752 positive integers (up to 189997887) that are relatively prime to 189997887.
189997887 has 8 divisors, whose sum is 253409536
The reverse of 189997887 is 788799981
Previous prime number is 4027
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 66
Digital Root 3
Name
one hundred eighty-nine million nine hundred ninety-seven thousand eight hundred eighty-seven
Scientific notation
1.89997887 × 10^8
Engineering notation
1.89997887 × 10^6
Prime Factorization
3 × 4027 × 15727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
189997887
Product of the distinct prime numbers
The prime factorization of 189997887 is 3 × 4027 × 15727.
Since it has a total of 3 prime factors.
1 , 9 , 38 , 53 , 536 , 708 , 7117 , 6568 , 73555 , 24778 , 107954 , 408189 , 1358774 , 8029609 , 3346161 , 56182300 , 517496521 , 106764671 , 757140488 , 9045580956
n×2
379995774
n×3
569993661
n×4
759991548
n×5
949989435
n÷2
94998943.5
n÷3
63332629
n÷3
47499471.75
n÷5
37999577.4
n2
36099197064464769
n3
6.8587711646449E+24
n4
1.3031520286991E+33
n5
2.4759613189259E+41
2 √n
13783.972105311
3 √n
574.88757676035
4 √n
117.40516217489
5 √n
45.26366899657
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
-189997886
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 189997887 can be divided by 8 positive divisors.
The sum of these divisors (counting 189997887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011010100110010001100111111
3
Ternary
111020111220002210
4
Quaternary
23110302030333
5
Quinary
342114413022
6
Senary
30504151503
8
Octal
1324621477
10
Decimal
189997887
12
Duodecimal
53768593
16
Hexadecimal
b53233f
20
Vigesimal
2j79ee7
36
Base36
354bb3
md5
047c32810fb11756b2a805538ea256b2
sha1
67fa6b92efb22e0370a32fc202c90fc8fee38d89
sha256
7104eafdb327fe48c0a9bd5084a378016c4fe8b3744c39116fc26922b4566c72
sha512
de7bb3d232573b9a6ba63b69bb90f1f467b22f9bf7dca58c19bbfcbab48708dfeb1611934d21101a72ee598f4e8ff8bec8d95690858c3337f3d01f27fa40e26b
ripemd-160
5a71304753d9d360ce41fa1045bccc17587a3a42
Diameter
379995774
Circumference
1193791931.9936
Area
1.1340897229821E+17
Volume
2.8729953471336E+25
Surface area
4.5363588919285E+17
Circumference
1193791931.9936
Perimeter
759991548
Area
36099197064464769
Diagonal
268697588.61763
Surface area
216595182386788614
Volume
6.8587711646449E+24
Space diagonal
329085993.61473
Perimeter
569993661
Area
1.5631410857024E+16
Altitude
164542996.80737
Surface area
1.5631410857024E+16
Volume
8.0831393352119E+23
Height
89565862.872544