194156921 is an odd 9-digits composite number following 194156920
and preceding 194156922 . In scientific notation, it is written as 1.94156921 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 166420212 positive integers (up to 194156921) that are relatively prime to 194156921.
194156921 has 4 divisors, whose sum is 221893632
The reverse of 194156921 is 129651491
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred ninety-four million one hundred fifty-six thousand nine hundred twenty-one
Scientific notation
1.94156921 × 10^8
Engineering notation
1.94156921 × 10^6
Prime Factorization
7 × 27736703
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
194156921
Product of the distinct prime numbers
The prime factorization of 194156921 is 7 × 27736703.
Since it has a total of 2 prime factors.
3 , 8 , 39 , 63 , 275 , 198 , 4060 , 655 , 85749 , 31356 , 879899 , 315967 , 1145258 , 7025909 , 93047724 , 29052583 , 902262171 , 717750775 , 1107737532 , 7969571289
n×2
388313842
n×3
582470763
n×4
776627684
n×5
970784605
n÷2
97078460.5
n÷3
64718973.666667
n÷3
48539230.25
n÷5
38831384.2
n2
37696909972200241
n3
7.3191159714166E+24
n4
1.4210570214522E+33
n5
2.7590805585058E+41
2 √n
13934.020274135
3 √n
579.0520792392
4 √n
118.04245115269
5 √n
45.46011973343
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
-194156920
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 194156921 can be divided by 4 positive divisors.
The sum of these divisors (counting 194156921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011100100101001100101111001
3
Ternary
111112100012020002
4
Quaternary
23210221211321
5
Quinary
344201010141
6
Senary
31133242345
8
Octal
1344514571
10
Decimal
194156921
12
Duodecimal
550333b5
16
Hexadecimal
b929979
20
Vigesimal
30d9c61
36
Base36
37lgft
md5
44b0f42aa393e8198bbf2445e05ab139
sha1
1d37328dd6353857afbb8173153c9b95d1c4ec9d
sha256
4e288a9a3158bfb759c36bc6bb1982c668f6b5478dcfba267b94133a80ccfa97
sha512
2b092bedb41ffdc5e4b9b3a9e7df39468e171fb7963ac96411e75f9ace2c07706fe5c9f0fb7d8b247b9cc0e0eb46581c36d67710b0bec383138da9eeea46592d
ripemd-160
4e42bbf7f284af5ef34c9ebe223f155befc19d25
Diameter
388313842
Circumference
1219923913.3144
Area
1.184283354317E+17
Volume
3.0658241288765E+25
Surface area
4.737133417268E+17
Circumference
1219923913.3144
Perimeter
776627684
Area
37696909972200241
Diagonal
274579350.9068
Surface area
226181459833201446
Volume
7.3191159714166E+24
Space diagonal
336289651.81314
Perimeter
582470763
Area
1.632324084005E+16
Altitude
168144825.90657
Surface area
1.632324084005E+16
Volume
8.6256608927991E+23
Height
91526450.302267