649042021 (number)

649042021 is an odd 9-digits composite number following 649042020 and preceding 649042022. In scientific notation, it is written as 6.49042021 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 644304352 positive integers (up to 649042021) that are relatively prime to 649042021.

Interesting facts

Basic properties

Name

Name six hundred forty-nine million forty-two thousand twenty-one

Notation

Scientific notation 6.49042021 × 10^8
Engineering notation 6.49042021 × 10^6

Prime Factorization of 649042021

Prime Factorization 137 × 4737533

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 649042021
Product of the distinct prime numbers

The prime factorization of 649042021 is 137 × 4737533. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 61, 85, 143, 176, 6295, 4700, 16241, 70902, 347504, 164162, 2416669, 4567814, 61295151, 85047974, 104335264, 636802390, 1021752370, 958699654

Basic calculations (n = 649042021)

Multiplication

n×y
n×2 1298084042
n×3 1947126063
n×4 2596168084
n×5 3245210105

Division

n÷y
n÷2 324521010.5
n÷3 216347340.33333
n÷3 162260505.25
n÷5 129808404.2

Exponentiation

ny
n2 421255545023764441
n3 2.7341255029968E+26
n4 1.7745623421327E+35
n5 1.1517655289283E+44

Nth Root

y√n
2√n 25476.303126631
3√n 865.81333770909
4√n 159.61297919227
5√n 57.870144003276

Divisors of 649042021

1, 137, 4737533, 649042021

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 -649042020
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 649042021 can be divided by 4 positive divisors. The sum of these divisors (counting 649042021) is 1, the average is 0.25.

Base conversion 649042021

Base System Value
2 Binary 100110101011111001100001100101
3 Ternary 1200020021202021101
4 Quaternary 212223321201211
5 Quinary 2312123321041
6 Senary 144223120101
8 Octal 4653714145
10 Decimal 649042021
12 Duodecimal 161443031
16 Hexadecimal 26af9865
20 Vigesimal a2ga511
36 Base36 aqf811

Cryptographic Hash Functions

md5 0f1d15dacc408a3ce67ad1d207670a59
sha1 e5352cc717af36fe4ff13d016a022fb13247f6bf
sha256 7c35eff2597c2fa5b60e15e01d481dbc31b61dda44364f18aff63837ecc0bb23
sha512 6db64ec8296f67d00d9d0dcf2f8a1cf4460748eba61b8d4089b769361d2d510ce1219469a2440b7c955940522f3756f42285fb3bf9fcb6e9ca2028d397ae1fc5
ripemd-160 2c9557711cc3b5d341ff3972b843d293713c325e

649042021 as geometric shapes

Circle

Radius = n
Diameter 1298084042
Circumference 4078051290.0893
Area 1.3234133255306E+18

Sphere

Radius = n
Volume 1.145267812561E+27
Surface area 5.2936533021225E+18
Circumference 4078051290.0893

Square

Length = n
Perimeter 2596168084
Area 421255545023764441
Diagonal 917884028.64824

Cube

Length = n
Surface area 2527533270142586646
Volume 2.7341255029968E+26
Space diagonal 1124173756.6192

Equilateral Triangle

Length = n
Perimeter 1947126063
Area 1.8240900173782E+17
Altitude 562086878.30959

Triangular Pyramid

Length = n
Surface area 1.8240900173782E+17
Volume 3.2221978063069E+25
Height 305961342.88275