491036981 (number)

491036981 is an odd 9-digits composite number following 491036980 and preceding 491036982. In scientific notation, it is written as 4.91036981 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 490430700 positive integers (up to 491036981) that are relatively prime to 491036981.

Interesting facts

Basic properties

Name

Name four hundred ninety-one million thirty-six thousand nine hundred eighty-one

Notation

Scientific notation 4.91036981 × 10^8
Engineering notation 4.91036981 × 10^6

Prime Factorization of 491036981

Prime Factorization 811 × 605471

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 491036981
Product of the distinct prime numbers

The prime factorization of 491036981 is 811 × 605471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 491036981)

Multiplication

n×y
n×2 982073962
n×3 1473110943
n×4 1964147924
n×5 2455184905

Division

n÷y
n÷2 245518490.5
n÷3 163678993.66667
n÷3 122759245.25
n÷5 98207396.2

Exponentiation

ny
n2 241117316709594361
n3 1.183975192639E+26
n4 5.8137560417235E+34
n5 2.8547692149984E+43

Nth Root

y√n
2√n 22159.354255032
3√n 788.92926619215
4√n 148.86018357852
5√n 54.72967134583

Divisors of 491036981

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 -491036980
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 491036981 can be divided by 4 positive divisors. The sum of these divisors (counting 491036981) is 1, the average is 0.25.

Base conversion 491036981

Base System Value
2 Binary 11101010001001010000100110101
3 Ternary 1021012222021002212
4 Quaternary 131101022010311
5 Quinary 2001201140411
6 Senary 120420343205
8 Octal 3521120465
10 Decimal 491036981
12 Duodecimal 118544b05
16 Hexadecimal 1d44a135
20 Vigesimal 7d8jc91
36 Base36 84cmk5

Cryptographic Hash Functions

md5 e803ebc65efc54061f5fc26cce52d738
sha1 a3d9bb721469f44440aa65174257becf3eec73ef
sha256 3ed13bceb140a56243f8f6cbde037b4a20619c13ca621e6db774af6855d0e2da
sha512 5451c64bd0539ee6c5f78fe7de458e823fcb521af0004e8c68e76699d9814beae3afb7769afbf3a5ecc8092a94444608dc71638b55241084fad6812a280c323b
ripemd-160 42d961b2f31cecfec6ea4d9251d8476056466760

491036981 as geometric shapes

Circle

Radius = n
Diameter 982073962
Circumference 3085276344.301
Area 7.5749239082815E+17

Sphere

Radius = n
Volume 4.9594236896363E+26
Surface area 3.0299695633126E+18
Circumference 3085276344.301

Square

Length = n
Perimeter 1964147924
Area 241117316709594361
Diagonal 694431158.15694

Cube

Length = n
Surface area 1446703900257566166
Volume 1.183975192639E+26
Space diagonal 850500999.48723

Equilateral Triangle

Length = n
Perimeter 1473110943
Area 1.0440686078142E+17
Altitude 425250499.74362

Triangular Pyramid

Length = n
Surface area 1.0440686078142E+17
Volume 1.3953281457861E+25
Height 231477052.71898