644542007 (number)

644542007 is an odd 9-digits composite number following 644542006 and preceding 644542008. In scientific notation, it is written as 6.44542007 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 629552616 positive integers (up to 644542007) that are relatively prime to 644542007.

Interesting facts

Basic properties

Name

Name six hundred forty-four million five hundred forty-two thousand seven

Notation

Scientific notation 6.44542007 × 10^8
Engineering notation 6.44542007 × 10^6

Prime Factorization of 644542007

Prime Factorization 43 × 14989349

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 644542007
Product of the distinct prime numbers

The prime factorization of 644542007 is 43 × 14989349. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 644542007)

Multiplication

n×y
n×2 1289084014
n×3 1933626021
n×4 2578168028
n×5 3222710035

Division

n÷y
n÷2 322271003.5
n÷3 214847335.66667
n÷3 161135501.75
n÷5 128908401.4

Exponentiation

ny
n2 415434398787588049
n3 2.6776492117139E+26
n4 1.72585739696E+35
n5 1.1123875904324E+44

Nth Root

y√n
2√n 25387.83186883
3√n 863.80770924694
4√n 159.33559510929
5√n 57.789674114189

Divisors of 644542007

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 -644542006
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 644542007 can be divided by 4 positive divisors. The sum of these divisors (counting 644542007) is 1, the average is 0.25.

Base conversion 644542007

Base System Value
2 Binary 100110011010101110111000110111
3 Ternary 1122220211010102012
4 Quaternary 212122232320313
5 Quinary 2310000321012
6 Senary 143542434435
8 Octal 4632567067
10 Decimal 644542007
12 Duodecimal 15ba32a1b
16 Hexadecimal 266aee37
20 Vigesimal a187f07
36 Base36 anqrsn

Cryptographic Hash Functions

md5 8d7515c1544bea80794d1fe859b99c7e
sha1 09365e11241c60f5006c63ab0162a38226038762
sha256 3b0e4b65554259e3d52cb1bf1a2111ac290541e40440540c2c8a711b09895bc4
sha512 21454b5790187c49f25795d9cd95124e28f6eebfefc1e32c8d6799c607c84417de458515805e4e2b6b8a0bb0f810079f0d9fec3080691eeb0ed7c3c5cc6692f6
ripemd-160 61c7483c5da81927904ab8989fefe8deed6d74c1

644542007 as geometric shapes

Circle

Radius = n
Diameter 1289084014
Circumference 4049776868.2424
Area 1.3051256552796E+18

Sphere

Radius = n
Volume 1.1216110789881E+27
Surface area 5.2205026211183E+18
Circumference 4049776868.2424

Square

Length = n
Perimeter 2578168028
Area 415434398787588049
Diagonal 911520047.81857

Cube

Length = n
Surface area 2492606392725528294
Volume 2.6776492117139E+26
Space diagonal 1116379503.7364

Equilateral Triangle

Length = n
Perimeter 1933626021
Area 1.7988837147798E+17
Altitude 558189751.86821

Triangular Pyramid

Length = n
Surface area 1.7988837147798E+17
Volume 3.1556398587362E+25
Height 303840015.93952