189421421 is an odd 9-digits composite number following 189421420
and preceding 189421422 . In scientific notation, it is written as 1.89421421 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 158181120 positive integers (up to 189421421) that are relatively prime to 189421421.
189421421 has 16 divisors, whose sum is 222097920
The reverse of 189421421 is 124124981
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred eighty-nine million four hundred twenty-one thousand four hundred twenty-one
Scientific notation
1.89421421 × 10^8
Engineering notation
1.89421421 × 10^6
Prime Factorization
7 × 47 × 241 × 2389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
189421421
Product of the distinct prime numbers
The prime factorization of 189421421 is 7 × 47 × 241 × 2389.
Since it has a total of 4 prime factors.
9 , 3 , 32 , 55 , 328 , 387 , 3628 , 3268 , 25929 , 21824 , 824007 , 317571 , 1842847 , 8125886 , 32583570 , 54397597 , 970773417 , 305433128 , 7337572588 , 4701361632
n×2
378842842
n×3
568264263
n×4
757685684
n×5
947107105
n÷2
94710710.5
n÷3
63140473.666667
n÷3
47355355.25
n÷5
37884284.2
n2
35880474733659241
n3
6.7965305102043E+24
n4
1.2874084671128E+33
n5
2.4386274124793E+41
2 √n
13763.045484194
3 √n
574.30557226296
4 √n
117.31600693935
5 √n
45.236169015912
1 , 7 , 47 , 241 , 329 , 1687 , 2389 , 11327 , 16723 , 79289 , 112283 , 575749 , 785981 , 4030243 , 27060203 , 189421421
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
-189421420
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 189421421 can be divided by 16 positive divisors.
The sum of these divisors (counting 189421421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011010010100101011101101101
3
Ternary
111012102121100012
4
Quaternary
23102211131231
5
Quinary
341442441141
6
Senary
30443543005
8
Octal
1322453555
10
Decimal
189421421
12
Duodecimal
5352aa65
16
Hexadecimal
b4a576d
20
Vigesimal
2j3hdb1
36
Base36
34ryi5
md5
b65658edb8990118d8b955252ead984d
sha1
06e790af53224bee2698e73dafe5f01e6a4ed180
sha256
7c37307cc44a441c3578252fae526e1180238e50552538de48958a6b098229f6
sha512
0b1a3ece678b243f6e867546cd137ad47cdb36ad78e0cf480fa7346d2f70a861b1126033ecc1f7a029389c8d239cfa64f03cfc25ea93b1380ce7693dd7eef842
ripemd-160
b8ec020777cacf46a8c02da5a42e201dac698689
Diameter
378842842
Circumference
1190169889.2923
Area
1.1272183583058E+17
Volume
2.8469240427676E+25
Surface area
4.5088734332231E+17
Circumference
1190169889.2923
Perimeter
757685684
Area
35880474733659241
Diagonal
267882342.58218
Surface area
215282848401955446
Volume
6.7965305102043E+24
Space diagonal
328087525.21389
Perimeter
568264263
Area
1.5536701309597E+16
Altitude
164043762.60695
Surface area
1.5536701309597E+16
Volume
8.0097880205112E+23
Height
89294114.194061