405740981 is an odd 9-digits composite number following 405740980
and preceding 405740982 . In scientific notation, it is written as 4.05740981 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 402779232 positive integers (up to 405740981) that are relatively prime to 405740981.
405740981 has 4 divisors, whose sum is 408702732
The reverse of 405740981 is 189047504
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
four hundred five million seven hundred forty thousand nine hundred eighty-one
Scientific notation
4.05740981 × 10^8
Engineering notation
4.05740981 × 10^6
Prime Factorization
137 × 2961613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
405740981
Product of the distinct prime numbers
The prime factorization of 405740981 is 137 × 2961613.
Since it has a total of 2 prime factors.
1 , 1 , 15 , 21 , 309 , 237 , 1590 , 4134 , 15104 , 4524 , 681670 , 270913 , 4444957 , 4172226 , 71527876 , 3511158 , 920427234 , 45386853 , 2163691102 , 5467981792
n×2
811481962
n×3
1217222943
n×4
1622963924
n×5
2028704905
n÷2
202870490.5
n÷3
135246993.66667
n÷3
101435245.25
n÷5
81148196.2
n2
164625743662842361
n3
6.6795410731616E+25
n4
2.7101635476544E+34
n5
1.0996244164957E+43
2 √n
20143.013205576
3 √n
740.31456129931
4 √n
141.92608359839
5 √n
52.680486257226
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
-405740980
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 405740981 can be divided by 4 positive divisors.
The sum of these divisors (counting 405740981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000001011110001110110110101
3
Ternary
1001021110202222202
4
Quaternary
120023301312311
5
Quinary
1312332202411
6
Senary
104132234245
8
Octal
3013616665
10
Decimal
405740981
12
Duodecimal
b3a6b985
16
Hexadecimal
182f1db5
20
Vigesimal
66fhc91
36
Base36
6pkfqt
md5
44bb34de34bff88b9676ac32a58f5b3f
sha1
38e45c262fb27f5017c922222c2e5afeb7ffddfa
sha256
c922dfc3a204bc03781fac4bf30486f53218d521156990386ed2c9e8110af767
sha512
f4b5e1711acaf0d1ae618bd2e0d4f50608cd2313b54937e73459c22377fd7d7af4672578ecd72b74b86240e816c2a5fc4288fdef0be8a5d3260b846a13010060
ripemd-160
ca52de36f605b43d05d75329c0163363b2c9d26e
Diameter
811481962
Circumference
2549345770.3398
Area
5.1718702688294E+17
Volume
2.7979196219728E+26
Surface area
2.0687481075318E+18
Circumference
2549345770.3398
Perimeter
1622963924
Area
164625743662842361
Diagonal
573804398.14076
Surface area
987754461977054166
Volume
6.6795410731616E+25
Space diagonal
702763993.80484
Perimeter
1217222943
Area
7.1285038064463E+16
Altitude
351381996.90242
Surface area
7.1285038064463E+16
Volume
7.8719146467444E+24
Height
191268132.71359