80491945 is an odd 8-digits composite number following 80491944
and preceding 80491946 . In scientific notation, it is written as 8.0491945 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 64393552 positive integers (up to 80491945) that are relatively prime to 80491945.
80491945 has 4 divisors, whose sum is 96590340
The reverse of 80491945 is 54919408
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty million four hundred ninety-one thousand nine hundred forty-five
Scientific notation
8.0491945 × 10^7
Engineering notation
8.0491945 × 10^6
Prime Factorization
5 × 16098389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80491945
Product of the distinct prime numbers
The prime factorization of 80491945 is 5 × 16098389.
Since it has a total of 2 prime factors.
9 , 7 , 96 , 10 , 399 , 629 , 852 , 9686 , 73928 , 29936 , 854254 , 420309 , 4463982 , 5442656 , 33655878 , 80029088 , 627681388 , 953706940 , 7393301939 , 4064714120
n×2
160983890
n×3
241475835
n×4
321967780
n×5
402459725
n÷2
40245972.5
n÷3
26830648.333333
n÷3
20122986.25
n÷5
16098389
n2
6478953209883025
n3
5.2150354542748E+23
n4
4.1976834695854E+31
n5
3.3787970696127E+39
2 √n
8971.7303236332
3 √n
431.76835324643
4 √n
94.719218343656
5 √n
38.119788673525
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
-80491944
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 80491945 can be divided by 4 positive divisors.
The sum of these divisors (counting 80491945) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011000011010110101001
3
Ternary
12121110102012011
4
Quaternary
10303003112221
5
Quinary
131101220240
6
Senary
11553115521
8
Octal
463032651
10
Decimal
80491945
12
Duodecimal
22b58ba1
16
Hexadecimal
4cc35a9
20
Vigesimal
15319h5
36
Base36
1bx7zd
md5
af8db0ab895475093e4ae3df4d53f5f7
sha1
dfc5aa73b56d98d8f2a130b7fcc4c0fa4c3c7d89
sha256
e6c61c4a98d4c95118bd53b069269cdb6415fb3a012db0aae44fc4fb721cd2a3
sha512
2628786967fb3d0afda22e8df33ee65078cf925a91d412717c11246511139aad27a3ed9ecfb2e48359644017897bcdc9e962019659b1456d622cf9c8be547ff0
ripemd-160
0c9ba3346fe47a0ec01e9184e55ee6480fdee617
Diameter
160983890
Circumference
505745806.17031
Area
2.0354231807121E+16
Volume
2.184468942848E+24
Surface area
8.1416927228482E+16
Circumference
505745806.17031
Perimeter
321967780
Area
6478953209883025
Diagonal
113832800.28079
Surface area
38873719259298150
Volume
5.2150354542748E+23
Space diagonal
139416138.34004
Perimeter
241475835
Area
2.8054690348447E+15
Altitude
69708069.17002
Surface area
2.8054690348447E+15
Volume
6.1459782230766E+22
Height
37944266.760263