154428991 is an odd 9-digits composite number following 154428990
and preceding 154428992 . In scientific notation, it is written as 1.54428991 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 154143000 positive integers (up to 154428991) that are relatively prime to 154428991.
154428991 has 4 divisors, whose sum is 154714984
The reverse of 154428991 is 199824451
Previous prime number is 541
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred fifty-four million four hundred twenty-eight thousand nine hundred ninety-one
Scientific notation
1.54428991 × 10^8
Engineering notation
1.54428991 × 10^6
Prime Factorization
541 × 285451
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
154428991 Product of the distinct prime numbers
The prime factorization of 154428991 is 541 × 285451.
Since it has a total of 2 prime factors.
10 , 10 , 91 , 75 , 531 , 990 , 3569 , 2178 , 68987 , 35478 , 793728 , 748121 , 9700245 , 6756493 , 31231434 , 40497679 , 845431835 , 571179445 , 9998152458 , 7868124038
n×2
308857982
n×3
463286973
n×4
617715964
n×5
772144955
n÷2
77214495.5
n÷3
51476330.333333
n÷3
38607247.75
n÷5
30885798.2
n2
23848313261278081
n3
3.6828709539911E+24
n4
5.6874204540805E+32
n5
8.7830260211642E+40
2 √n12426.946165491
3 √n536.50809356789
4 √n111.47621345153
5 √n43.425593909004
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
-154428990 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 154428991 can be divided by 4 positive divisors.
The sum of these divisors (counting 154428991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001101000110011000111111
3
Ternary
101202120210202021
4
Quaternary
21031012120333
5
Quinary
304013211431
6
Senary
23153541011
8
Octal
1115063077
10
Decimal
154428991
12
Duodecimal
43874767
16
Hexadecimal
934663f
20
Vigesimal
2853c9b
36
Base36
2jxy67
md5
a8eef777006e98698b270ad691200c46
sha1
16d08f6f1855f03c23b33448cfd19fc7f2c86551
sha256
bd84c8a6e1429ca5229a4a8a5b7eb7f8a041a7f6180113d71805b552daccaa82
sha512
c995ae53ff9b9b310438ad764802822118e8e3f083be36fb54497a93ed27320306323ff94c43c6114716ed776b441af68968f3460bce0681f3352723ec696491
ripemd-160
c55d920d68b0a87232f5579c13355be0fabdd412
Diameter
308857982
Circumference
970305967.25377
Area
7.4921685742139E+16
Volume
1.542677377757E+25
Surface area
2.9968674296856E+17
Circumference
970305967.25377
Perimeter
617715964
Area
23848313261278081
Diagonal
218395573.49579
Surface area
143089879567668486
Volume
3.6828709539911E+24
Space diagonal
267478858.5736
Perimeter
463286973
Area
1.0326622560838E+16
Altitude
133739429.2868
Surface area
1.0326622560838E+16
Volume
4.3403050430035E+23
Height
72798524.498598