638942912 (number)

638942912 is an even 9-digits composite number following 638942911 and preceding 638942913. In scientific notation, it is written as 6.38942912 × 10^8. The sum of its digits is 44. It has a total of 8 prime factors and 28 positive divisors. There are 319253760 positive integers (up to 638942912) that are relatively prime to 638942912.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred forty-two thousand nine hundred twelve

Notation

Scientific notation 6.38942912 × 10^8
Engineering notation 6.38942912 × 10^6

Prime Factorization of 638942912

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2141 × 4663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 19966966
Product of the distinct prime numbers

The prime factorization of 638942912 is 2 × 2 × 2 × 2 × 2 × 2 × 2141 × 4663. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 6, 91, 1, 23, 805, 2353, 4720, 81639, 67426, 693267, 319591, 1713809, 3177326, 29530334, 46720360, 528360589, 107063506, 9644210428, 2526116114

Basic calculations (n = 638942912)

Multiplication

n×y
n×2 1277885824
n×3 1916828736
n×4 2555771648
n×5 3194714560

Division

n÷y
n÷2 319471456
n÷3 212980970.66667
n÷3 159735728
n÷5 127788582.4

Exponentiation

ny
n2 408248044795039744
n3 2.6084719455965E+26
n4 1.6666646607897E+35
n5 1.0649035716925E+44

Nth Root

y√n
2√n 25277.320111119
3√n 861.2991505784
4√n 158.98842760125
5√n 57.688920369602

Divisors of 638942912

1, 2, 4, 8, 16, 32, 64, 2141, 4282, 4663, 8564, 9326, 17128, 18652, 34256, 37304, 68512, 74608, 137024, 149216, 298432, 9983483, 19966966, 39933932, 79867864, 159735728, 319471456, 638942912

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638942911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638942912 can be divided by 28 positive divisors. The sum of these divisors (counting 638942912) is 1, the average is 0.035714285714286.

Base conversion 638942912

Base System Value
2 Binary 100110000101010111111011000000
3 Ternary 1122112021122220022
4 Quaternary 212011113323000
5 Quinary 2302032133122
6 Senary 143222433012
8 Octal 4605277300
10 Decimal 638942912
12 Duodecimal 159b92768
16 Hexadecimal 26157ec0
20 Vigesimal 9jd7h5c
36 Base36 akeri8

Cryptographic Hash Functions

md5 8f594e678ef0e427f6431eb72b7f7a66
sha1 5f84cfe77c3d9cd80bc8321142b8439cc6ec8d38
sha256 d12ca1c37d8e74f01b8ffd43b73e8e1a731521bd1412a6a7a2f12a02c0edf55f
sha512 645ba937b416552ccd7fcc0df82ae0f48a057f1825c06aa9cf56b5d0fc5372b95d2eb56b7cde34e6313d80eee919430f79405877930de3a1f1091f69bd8a0d51
ripemd-160 7a0260bfac256f80b0a04fdd71765d3f8469b3a3

638942912 as geometric shapes

Circle

Radius = n
Diameter 1277885824
Circumference 4014596716.8049
Area 1.2825490583705E+18

Sphere

Radius = n
Volume 1.0926341735175E+27
Surface area 5.130196233482E+18
Circumference 4014596716.8049

Square

Length = n
Perimeter 2555771648
Area 408248044795039744
Diagonal 903601731.73256

Cube

Length = n
Surface area 2449488268770238464
Volume 2.6084719455965E+26
Space diagonal 1106681586.72

Equilateral Triangle

Length = n
Perimeter 1916828736
Area 1.7677658891892E+17
Altitude 553340793.36001

Triangular Pyramid

Length = n
Surface area 1.7677658891892E+17
Volume 3.0741136687769E+25
Height 301200577.24419