640888913 (number)

640888913 is an odd 9-digits composite number following 640888912 and preceding 640888914. In scientific notation, it is written as 6.40888913 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 549333348 positive integers (up to 640888913) that are relatively prime to 640888913.

Interesting facts

Basic properties

Name

Name six hundred forty million eight hundred eighty-eight thousand nine hundred thirteen

Notation

Scientific notation 6.40888913 × 10^8
Engineering notation 6.40888913 × 10^6

Prime Factorization of 640888913

Prime Factorization 7 × 91555559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 640888913
Product of the distinct prime numbers

The prime factorization of 640888913 is 7 × 91555559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 82, 17, 569, 646, 5754, 7882, 78868, 42910, 596457, 304478, 8905675, 3422038, 18055037, 57957242, 374705490, 252579059, 3586620237, 5784895774

Basic calculations (n = 640888913)

Multiplication

n×y
n×2 1281777826
n×3 1922666739
n×4 2563555652
n×5 3204444565

Division

n÷y
n÷2 320444456.5
n÷3 213629637.66667
n÷3 160222228.25
n÷5 128177782.6

Exponentiation

ny
n2 410738598806321569
n3 2.6323781411613E+26
n4 1.6870619654938E+35
n5 1.081219309229E+44

Nth Root

y√n
2√n 25315.783870937
3√n 862.17267164617
4√n 159.10934564298
5√n 57.724017771433

Divisors of 640888913

1, 7, 91555559, 640888913

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 -640888912
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 640888913 can be divided by 4 positive divisors. The sum of these divisors (counting 640888913) is 1, the average is 0.25.

Base conversion 640888913

Base System Value
2 Binary 100110001100110011000001010001
3 Ternary 1122122221112022102
4 Quaternary 212030303001101
5 Quinary 2303031421123
6 Senary 143332250145
8 Octal 4614630121
10 Decimal 640888913
12 Duodecimal 15a770955
16 Hexadecimal 26333051
20 Vigesimal a05b25d
36 Base36 alkh1t

Cryptographic Hash Functions

md5 89eb56c04b4fbcd579a945fcfb491fa2
sha1 b68ec806fe6af20654584bdd632e5a48a8d0239a
sha256 f441c2323cdda30a62ed11416528f1aa0565cd6ca388d562b57a88ce0b2e4f0c
sha512 2a970b43069ee223004a433a1c09a046d6373086fc64f850bf5233eb1a9e499dd655075e5de95f3a2d97cb9cbd3125ab6137cdae10a906397587495f64aa01d9
ripemd-160 487d249c2a9dc0cbf0403fe0933eb8d6670b2a8c

640888913 as geometric shapes

Circle

Radius = n
Diameter 1281777826
Circumference 4026823801.6959
Area 1.2903733645557E+18

Sphere

Radius = n
Volume 1.102647977299E+27
Surface area 5.1614934582228E+18
Circumference 4026823801.6959

Square

Length = n
Perimeter 2563555652
Area 410738598806321569
Diagonal 906353792.73915

Cube

Length = n
Surface area 2464431592837929414
Volume 2.6323781411613E+26
Space diagonal 1110052159.3236

Equilateral Triangle

Length = n
Perimeter 1922666739
Area 1.7785503044055E+17
Altitude 555026079.66179

Triangular Pyramid

Length = n
Surface area 1.7785503044055E+17
Volume 3.1022873904373E+25
Height 302117930.91305