399156945 is an odd 9-digits composite number following 399156944
and preceding 399156946 . In scientific notation, it is written as 3.99156945 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 193179840 positive integers (up to 399156945) that are relatively prime to 399156945.
399156945 has 16 divisors, whose sum is 494398080
The reverse of 399156945 is 549651993
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred ninety-nine million one hundred fifty-six thousand nine hundred forty-five
Scientific notation
3.99156945 × 10^8
Engineering notation
3.99156945 × 10^6
Prime Factorization
33 × 5 × 647 × 3739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
399156945
Product of the distinct prime numbers
The prime factorization of 399156945 is 33 × 5 × 647 × 3739.
Since it has a total of 4 prime factors.
6 , 10 , 85 , 50 , 285 , 767 , 4899 , 1684 , 77529 , 73991 , 531778 , 372844 , 7411405 , 5548225 , 31912471 , 86749074 , 663759268 , 845881289 , 3319072061 , 5980505979
n×2
798313890
n×3
1197470835
n×4
1596627780
n×5
1995784725
n÷2
199578472.5
n÷3
133052315
n÷3
99789236.25
n÷5
79831389
n2
159326266741733025
n3
6.3596185890885E+25
n4
2.5384859273858E+34
n5
1.0132542877008E+43
2 √n
19978.912507942
3 √n
736.28829543985
4 √n
141.34678103141
5 √n
52.508394322623
1 , 5 , 33 , 165 , 647 , 3235 , 3739 , 18695 , 21351 , 106755 , 123387 , 616935 , 2419133 , 12095665 , 79831389 , 399156945
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
-399156944
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 399156945 can be divided by 16 positive divisors.
The sum of these divisors (counting 399156945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111110010101010011011010001
3
Ternary
1000211002021101120
4
Quaternary
113302222123101
5
Quinary
1304141010240
6
Senary
103335152453
8
Octal
2762523321
10
Decimal
399156945
12
Duodecimal
b1815729
16
Hexadecimal
17caa6d1
20
Vigesimal
64eec75
36
Base36
6lnbgx
md5
4ac702cb6987a2f87a34ed2a46fbbac3
sha1
e9d1d52f62eb0dea7a2838a9f4609f1fd8a80cc7
sha256
7651178938fb05049a5ba5355388dbd75dfd8236e97887d58ac32ae72c267f78
sha512
cbb63ab70e85d860aa9723bf77dfa5060903a92db1b139923e67693b9a8c4a5a41aa4c154f4b979bbf567ee761c417525e24b93e5258c9aaa73a751f4b20bd8f
ripemd-160
1260d436c459a3ec660a220b91ef4ee33f16a517
Diameter
798313890
Circumference
2507977052.0827
Area
5.0053822911972E+17
Volume
2.6639108052151E+26
Surface area
2.0021529164789E+18
Circumference
2507977052.0827
Perimeter
1596627780
Area
159326266741733025
Diagonal
564493165.13441
Surface area
955957600450398150
Volume
6.3596185890885E+25
Space diagonal
691360108.93398
Perimeter
1197470835
Area
6.8990297244238E+16
Altitude
345680054.46699
Surface area
6.8990297244238E+16
Volume
7.4948823835075E+24
Height
188164388.37814