640996838 (number)

640996838 is an even 9-digits composite number following 640996837 and preceding 640996839. In scientific notation, it is written as 6.40996838 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 320498418 positive integers (up to 640996838) that are relatively prime to 640996838.

Interesting facts

Basic properties

Name

Name six hundred forty million nine hundred ninety-six thousand eight hundred thirty-eight

Notation

Scientific notation 6.40996838 × 10^8
Engineering notation 6.40996838 × 10^6

Prime Factorization of 640996838

Prime Factorization 2 × 320498419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 640996838
Product of the distinct prime numbers

The prime factorization of 640996838 is 2 × 320498419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 31, 8, 145, 68, 8984, 3632, 58814, 57077, 580599, 628209, 7603693, 153822, 30606106, 47476681, 367050600, 55411755, 5353985999, 9206271065

Basic calculations (n = 640996838)

Multiplication

n×y
n×2 1281993676
n×3 1922990514
n×4 2563987352
n×5 3204984190

Division

n÷y
n÷2 320498419
n÷3 213665612.66667
n÷3 160249209.5
n÷5 128199367.6

Exponentiation

ny
n2 410876946325998244
n3 2.6337082340206E+26
n4 1.6881986502218E+35
n5 1.082129996708E+44

Nth Root

y√n
2√n 25317.915356522
3√n 862.22106524503
4√n 159.11604368046
5√n 57.725961772927

Divisors of 640996838

1, 2, 320498419, 640996838

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 -640996837
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 640996838 can be divided by 4 positive divisors. The sum of these divisors (counting 640996838) is 1, the average is 0.25.

Base conversion 640996838

Base System Value
2 Binary 100110001101001101010111100110
3 Ternary 1122200011000100122
4 Quaternary 212031031113212
5 Quinary 2303043344323
6 Senary 143334441542
8 Octal 4615152746
10 Decimal 640996838
12 Duodecimal 15a8032b2
16 Hexadecimal 2634d5e6
20 Vigesimal a064c1i
36 Base36 almsbq

Cryptographic Hash Functions

md5 93cafaa2e9fc3b3dbd782a9c4a84ed43
sha1 c7223aa54faf0c7da101e58aa57130e62e6ce844
sha256 da0467003b667492158db9e72174764ebd975880952b0736bd2b01d102779a9c
sha512 75310ca765ec45470e3e7a1191916bd4836e3f1aba349a8f262d4edadfcb20cea9246bd78ab6ae7af7617356afd55fcf60013beaf252f356c99e4b16eb95d540
ripemd-160 d49c5bcb7d34981afc8220b8be4888069d059b7e

640996838 as geometric shapes

Circle

Radius = n
Diameter 1281993676
Circumference 4027501914.4702
Area 1.2908079961072E+18

Sphere

Radius = n
Volume 1.1032051252931E+27
Surface area 5.1632319844287E+18
Circumference 4027501914.4702

Square

Length = n
Perimeter 2563987352
Area 410876946325998244
Diagonal 906506421.73787

Cube

Length = n
Surface area 2465261677955989464
Volume 2.6337082340206E+26
Space diagonal 1110239090.907

Equilateral Triangle

Length = n
Perimeter 1922990514
Area 1.7791493667384E+17
Altitude 555119545.4535

Triangular Pyramid

Length = n
Surface area 1.7791493667384E+17
Volume 3.1038549199047E+25
Height 302168807.24596