189976987 is an odd 9-digits composite number following 189976986
and preceding 189976988 . In scientific notation, it is written as 1.89976987 × 10^8.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 181717096 positive integers (up to 189976987) that are relatively prime to 189976987.
189976987 has 4 divisors, whose sum is 198236880
The reverse of 189976987 is 789679981
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 64
Digital Root 1
Name
one hundred eighty-nine million nine hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
1.89976987 × 10^8
Engineering notation
1.89976987 × 10^6
Prime Factorization
23 × 8259869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
189976987
Product of the distinct prime numbers
The prime factorization of 189976987 is 23 × 8259869.
Since it has a total of 2 prime factors.
6 , 7 , 85 , 50 , 371 , 878 , 588 , 1800 , 84589 , 7082 , 394604 , 200653 , 6712777 , 6121350 , 39937895 , 79078770 , 936166511 , 67279346 , 1786079673 , 9404356210
n×2
379953974
n×3
569930961
n×4
759907948
n×5
949884935
n÷2
94988493.5
n÷3
63325662.333333
n÷3
47494246.75
n÷5
37995397.4
n2
36091255589598169
n3
6.8565079939588E+24
n4
1.3025787300337E+33
n5
2.4745998246209E+41
2 √n
13783.213957564
3 √n
574.86649654181
4 √n
117.40193336383
5 √n
45.262673140959
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
-189976986
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 189976987 can be divided by 4 positive divisors.
The sum of these divisors (counting 189976987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100101101000110011011
3
Ternary
111020110211102201
4
Quaternary
23110231012123
5
Quinary
342113230422
6
Senary
30503511031
8
Octal
1324550633
10
Decimal
189976987
12
Duodecimal
53758477
16
Hexadecimal
b52d19b
20
Vigesimal
2j77297
36
Base36
353v6j
md5
10a1f96df47d0a587b87baee1cb5206a
sha1
ffb660f12e0ff0de12ea14522efc171e1000bee8
sha256
54afc9c6b93671749947b62b6a3f091e50d4d5c7803a5b1b62b6e3eaf27cda0c
sha512
ab0618d29ee11172558c110a649d5416000ed3a5201ea689400cd58eefdc7876b332a1b0f6c5d83dba2e6ba4c29e8727b3aa55f80d54b26a422b84526872e0d2
ripemd-160
4d28c2ac13d21c52733637cb6fcf276bb372b48f
Diameter
379953974
Circumference
1193660613.4206
Area
1.1338402341911E+17
Volume
2.8720473524134E+25
Surface area
4.5353609367645E+17
Circumference
1193660613.4206
Perimeter
759907948
Area
36091255589598169
Diagonal
268668031.55418
Surface area
216547533537589014
Volume
6.8565079939588E+24
Space diagonal
329049793.75285
Perimeter
569930961
Area
1.5627972097535E+16
Altitude
164524896.87643
Surface area
1.5627972097535E+16
Volume
8.08047216298E+23
Height
89556010.518059