640426979 (number)

640426979 is an odd 9-digits composite number following 640426978 and preceding 640426980. In scientific notation, it is written as 6.40426979 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 639335376 positive integers (up to 640426979) that are relatively prime to 640426979.

Interesting facts

Basic properties

Name

Name six hundred forty million four hundred twenty-six thousand nine hundred seventy-nine

Notation

Scientific notation 6.40426979 × 10^8
Engineering notation 6.40426979 × 10^6

Prime Factorization of 640426979

Prime Factorization 587 × 1091017

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 640426979
Product of the distinct prime numbers

The prime factorization of 640426979 is 587 × 1091017. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 45, 60, 562, 892, 9815, 9942, 25111, 12478, 676213, 445148, 5713883, 7915027, 980942, 81564031, 983687198, 194309324, 8742410924, 8112371994

Basic calculations (n = 640426979)

Multiplication

n×y
n×2 1280853958
n×3 1921280937
n×4 2561707916
n×5 3202134895

Division

n÷y
n÷2 320213489.5
n÷3 213475659.66667
n÷3 160106744.75
n÷5 128085395.8

Exponentiation

ny
n2 410146715431066441
n3 2.6266902191029E+26
n4 1.6822032817889E+35
n5 1.07732836582E+44

Nth Root

y√n
2√n 25306.658787758
3√n 861.96547890313
4√n 159.08066754876
5√n 57.715694214305

Divisors of 640426979

1, 587, 1091017, 640426979

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 -640426978
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 640426979 can be divided by 4 positive divisors. The sum of these divisors (counting 640426979) is 1, the average is 0.25.

Base conversion 640426979

Base System Value
2 Binary 100110001011000010001111100011
3 Ternary 1122122002001122202
4 Quaternary 212023002033203
5 Quinary 2302422130404
6 Senary 143314323415
8 Octal 4613021743
10 Decimal 640426979
12 Duodecimal 15a58956b
16 Hexadecimal 262c23e3
20 Vigesimal a02d78j
36 Base36 alakmb

Cryptographic Hash Functions

md5 e4f3161fa105abcdc9837b24436b484a
sha1 a91834c183e364e8878b9ff7346c15d44dccc083
sha256 f558fe61869da98141844f422e6e952f552b15419b18f77cd1971c2230b8238f
sha512 20def2a8332499c4bd2b8d6ca9133193bac879f610bc2b3134d1c303348a89a08efe646e91e8c8f436725ea780c52a71af06912cd58a59782a0f28c159c6e8cf
ripemd-160 29a25d7102341b457293773033b4738e840ba0a4

640426979 as geometric shapes

Circle

Radius = n
Diameter 1280853958
Circumference 4023921384.7742
Area 1.2885139080922E+18

Sphere

Radius = n
Volume 1.1002654260786E+27
Surface area 5.1540556323689E+18
Circumference 4023921384.7742

Square

Length = n
Perimeter 2561707916
Area 410146715431066441
Diagonal 905700519.41143

Cube

Length = n
Surface area 2460880292586398646
Volume 2.6266902191029E+26
Space diagonal 1109252066.1658

Equilateral Triangle

Length = n
Perimeter 1921280937
Area 1.7759873742103E+17
Altitude 554626033.08292

Triangular Pyramid

Length = n
Surface area 1.7759873742103E+17
Volume 3.0955841100067E+25
Height 301900173.13714