188870981 is an odd 9-digits composite number following 188870980
and preceding 188870982 . In scientific notation, it is written as 1.88870981 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 174342432 positive integers (up to 188870981) that are relatively prime to 188870981.
188870981 has 4 divisors, whose sum is 203399532
The reverse of 188870981 is 189078881
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred eighty-eight million eight hundred seventy thousand nine hundred eighty-one
Scientific notation
1.88870981 × 10^8
Engineering notation
1.88870981 × 10^6
Prime Factorization
13 × 14528537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
188870981
Product of the distinct prime numbers
The prime factorization of 188870981 is 13 × 14528537.
Since it has a total of 2 prime factors.
4 , 4 , 51 , 87 , 939 , 12 , 2009 , 8803 , 6208 , 8978 , 289674 , 884411 , 8522121 , 8687414 , 31585349 , 70787268 , 59080807 , 744484792 , 7759227271 , 3262546856
n×2
377741962
n×3
566612943
n×4
755483924
n×5
944354905
n÷2
94435490.5
n÷3
62956993.666667
n÷3
47217745.25
n÷5
37774196.2
n2
35672247463902361
n3
6.737452372982E+24
n4
1.2725092391259E+33
n5
2.4034006832527E+41
2 √n
13743.03390813
3 √n
573.74874073165
4 √n
117.23068671696
5 √n
45.209848032942
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-188870980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 188870981 can be divided by 4 positive divisors.
The sum of these divisors (counting 188870981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010000011111000101000101
3
Ternary
111011101122021112
4
Quaternary
23100133011011
5
Quinary
341322332411
6
Senary
30424054405
8
Octal
1320370505
10
Decimal
188870981
12
Duodecimal
53304405
16
Hexadecimal
b41f145
20
Vigesimal
2j08h91
36
Base36
34g5s5
md5
a7edd56ec0e99635d2f1c5584bd7aa07
sha1
14e2cb51f7a822344c319e241d8f8b0c68043f8d
sha256
8a3ec4a048791bafa9e414c23e7070869e3bffcbdbf2e58ab033994804ac843c
sha512
94855592c235520b534cec69d710954bbd336593f745b9dcec8aa64b6c4c8d95447c5950227126462d2cbb9f90e9f52f4d891de6ebbf084d791bbc0a888a4135
ripemd-160
17f0cac2d09f08dd6c30c0ee2b7d1a52688763cd
Diameter
377741962
Circumference
1186711372.7718
Area
1.1206767056963E+17
Volume
2.8221774505162E+25
Surface area
4.4827068227853E+17
Circumference
1186711372.7718
Perimeter
755483924
Area
35672247463902361
Diagonal
267103902.86891
Surface area
214033484783414166
Volume
6.737452372982E+24
Space diagonal
327134135.16738
Perimeter
566612943
Area
1.5446536256912E+16
Altitude
163567067.58369
Surface area
1.5446536256912E+16
Volume
7.9401637680949E+23
Height
89034634.289637