649492081 (number)

649492081 is an odd 9-digits composite number following 649492080 and preceding 649492082. In scientific notation, it is written as 6.49492081 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 542304000 positive integers (up to 649492081) that are relatively prime to 649492081.

Interesting facts

Basic properties

Name

Name six hundred forty-nine million four hundred ninety-two thousand eighty-one

Notation

Scientific notation 6.49492081 × 10^8
Engineering notation 6.49492081 × 10^6

Prime Factorization of 649492081

Prime Factorization 7 × 43 × 401 × 5381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 649492081
Product of the distinct prime numbers

The prime factorization of 649492081 is 7 × 43 × 401 × 5381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 649492081)

Multiplication

n×y
n×2 1298984162
n×3 1948476243
n×4 2597968324
n×5 3247460405

Division

n÷y
n÷2 324746040.5
n÷3 216497360.33333
n÷3 162373020.25
n÷5 129898416.2

Exponentiation

ny
n2 421839963281710561
n3 2.739817156008E+26
n4 1.7794895462151E+35
n5 1.155764368489E+44

Nth Root

y√n
2√n 25485.134510141
3√n 866.0134161348
4√n 159.64064178693
5√n 57.878167464035

Divisors of 649492081

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 -649492080
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 649492081 can be divided by 16 positive divisors. The sum of these divisors (counting 649492081) is 1, the average is 0.0625.

Base conversion 649492081

Base System Value
2 Binary 100110101101100111011001110001
3 Ternary 1200021010121122021
4 Quaternary 212231213121301
5 Quinary 2312232221311
6 Senary 144240511441
8 Octal 4655473161
10 Decimal 649492081
12 Duodecimal 16161b581
16 Hexadecimal 26b67671
20 Vigesimal a2j6a41
36 Base36 aqovap

Cryptographic Hash Functions

md5 b97173463ae1356c01a9c10808ace5f0
sha1 94514ffbf26eecb60076ed3e21a519bccc14fff0
sha256 4b75071a763fc1609d1b21d6f3571296ca4cbe5f8e79da8b4b575b8dd977f540
sha512 667316cbd1ede789d10ccaa80a3f27fb6a557e112bbf3676238c908bb5abcfecd005ba508d9e4f8bc110513442e0858852a7c21cbc549bff32a588b17d14bebd
ripemd-160 8ce3ed8f86ec73fcc013c99376209db12a8a20a6

649492081 as geometric shapes

Circle

Radius = n
Diameter 1298984162
Circumference 4080879100.4687
Area 1.3252493296364E+18

Sphere

Radius = n
Volume 1.1476519265992E+27
Surface area 5.3009973185456E+18
Circumference 4080879100.4687

Square

Length = n
Perimeter 2597968324
Area 421839963281710561
Diagonal 918520509.60412

Cube

Length = n
Surface area 2531039779690263366
Volume 2.739817156008E+26
Space diagonal 1124953283.4056

Equilateral Triangle

Length = n
Perimeter 1948476243
Area 1.8266206226673E+17
Altitude 562476641.70282

Triangular Pyramid

Length = n
Surface area 1.8266206226673E+17
Volume 3.2289054837075E+25
Height 306173503.20137