80491945 (number)

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.

Interesting facts

Basic properties

Name

Name eighty million four hundred ninety-one thousand nine hundred forty-five

Notation

Scientific notation 8.0491945 × 10^7
Engineering notation 8.0491945 × 10^6

Prime Factorization of 80491945

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.

Most popular turbo-numbers

Basic calculations (n = 80491945)

Multiplication

n×y
n×2 160983890
n×3 241475835
n×4 321967780
n×5 402459725

Division

n÷y
n÷2 40245972.5
n÷3 26830648.333333
n÷3 20122986.25
n÷5 16098389

Exponentiation

ny
n2 6478953209883025
n3 5.2150354542748E+23
n4 4.1976834695854E+31
n5 3.3787970696127E+39

Nth Root

y√n
2√n 8971.7303236332
3√n 431.76835324643
4√n 94.719218343656
5√n 38.119788673525

Divisors of 80491945

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 conversion 80491945

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

Cryptographic Hash Functions

md5 af8db0ab895475093e4ae3df4d53f5f7
sha1 dfc5aa73b56d98d8f2a130b7fcc4c0fa4c3c7d89
sha256 e6c61c4a98d4c95118bd53b069269cdb6415fb3a012db0aae44fc4fb721cd2a3
sha512 2628786967fb3d0afda22e8df33ee65078cf925a91d412717c11246511139aad27a3ed9ecfb2e48359644017897bcdc9e962019659b1456d622cf9c8be547ff0
ripemd-160 0c9ba3346fe47a0ec01e9184e55ee6480fdee617

80491945 as geometric shapes

Circle

Radius = n
Diameter 160983890
Circumference 505745806.17031
Area 2.0354231807121E+16

Sphere

Radius = n
Volume 2.184468942848E+24
Surface area 8.1416927228482E+16
Circumference 505745806.17031

Square

Length = n
Perimeter 321967780
Area 6478953209883025
Diagonal 113832800.28079

Cube

Length = n
Surface area 38873719259298150
Volume 5.2150354542748E+23
Space diagonal 139416138.34004

Equilateral Triangle

Length = n
Perimeter 241475835
Area 2.8054690348447E+15
Altitude 69708069.17002

Triangular Pyramid

Length = n
Surface area 2.8054690348447E+15
Volume 6.1459782230766E+22
Height 37944266.760263