405805972 is an even 9-digits composite number following 405805971
and preceding 405805973 . In scientific notation, it is written as 4.05805972 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 170268000 positive integers (up to 405805972) that are relatively prime to 405805972.
405805972 has 12 divisors, whose sum is 715127616
The reverse of 405805972 is 279508504
Previous prime number is 143
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
four hundred five million eight hundred five thousand nine hundred seventy-two
Scientific notation
4.05805972 × 10^8
Engineering notation
4.05805972 × 10^6
Prime Factorization
2 × 2 × 143 × 709451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
202902986
Product of the distinct prime numbers
The prime factorization of 405805972 is 2 × 2 × 143 × 709451.
Since it has a total of 4 prime factors.
4 , 6 , 99 , 7 , 69 , 883 , 194 , 7286 , 12941 , 86530 , 15969 , 854806 , 2859590 , 8352935 , 84604853 , 76707715 , 781827766 , 786525959 , 4807860704 , 9037667256
n×2
811611944
n×3
1217417916
n×4
1623223888
n×5
2029029860
n÷2
202902986
n÷3
135268657.33333
n÷3
101451493
n÷5
81161194.4
n2
164678486910864784
n3
6.6827513448353E+25
n4
2.7119004051252E+34
n5
1.100505379869E+43
2 √n
20144.626380253
3 √n
740.35408669212
4 √n
141.93176663543
5 √n
52.682173805834
1 , 2 , 4 , 143 , 286 , 572 , 709451 , 1418902 , 2837804 , 101451493 , 202902986 , 405805972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-405805971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 405805972 can be divided by 12 positive divisors.
The sum of these divisors (counting 405805972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11000001100000001101110010100
3
Ternary
1001021121002010211
4
Quaternary
120030001232110
5
Quinary
1312341242342
6
Senary
104133455204
8
Octal
3014015624
10
Decimal
405805972
12
Duodecimal
b3aa1504
16
Hexadecimal
18301b94
20
Vigesimal
66g5eic
36
Base36
6pltw4
md5
5538b81c97927ab852b67ae018d57f01
sha1
74b427fecfd3d32889a4aacbbf745268dd9448b7
sha256
b4a7abe0b4175da1b4ab6cfee2658ea6aca43b0eb75b8590abe0b3942298da05
sha512
b21f2a653aa2aef85ae227a25b83124db38fa4431d022f0bc3df283660ec6dbd677751720afd01f9afdd87f153ffceed527541bf88ed8e8beeb227a89ff963b3
ripemd-160
2bb173e15da27ec5730889d5306362aa34d83f67
Diameter
811611944
Circumference
2549754120.8361
Area
5.1735272468346E+17
Volume
2.7992643374269E+26
Surface area
2.0694108987338E+18
Circumference
2549754120.8361
Perimeter
1623223888
Area
164678486910864784
Diagonal
573896309.2944
Surface area
988070921465188704
Volume
6.6827513448353E+25
Space diagonal
702876561.51887
Perimeter
1217417916
Area
7.1307876560796E+16
Altitude
351438280.75944
Surface area
7.1307876560796E+16
Volume
7.8756979881942E+24
Height
191298769.7648