638997345 (number)

638997345 is an odd 9-digits composite number following 638997344 and preceding 638997346. In scientific notation, it is written as 6.38997345 × 10^8. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 291641472 positive integers (up to 638997345) that are relatively prime to 638997345.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-seven thousand three hundred forty-five

Notation

Scientific notation 6.38997345 × 10^8
Engineering notation 6.38997345 × 10^6

Prime Factorization of 638997345

Prime Factorization 3 × 3 × 35 × 2447 × 829

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 212999115
Product of the distinct prime numbers

The prime factorization of 638997345 is 3 × 3 × 35 × 2447 × 829. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 40, 43, 365, 948, 435, 1750, 54686, 63922, 917187, 424653, 1058310, 9364346, 45484554, 90235933, 995055741, 6905597, 1005734143, 4114278829

Basic calculations (n = 638997345)

Multiplication

n×y
n×2 1277994690
n×3 1916992035
n×4 2555989380
n×5 3194986725

Division

n÷y
n÷2 319498672.5
n÷3 212999115
n÷3 159749336.25
n÷5 127799469

Exponentiation

ny
n2 408317606917049025
n3 2.6091386673675E+26
n4 1.6672326811847E+35
n5 1.0653572567742E+44

Nth Root

y√n
2√n 25278.396804386
3√n 861.32360856178
4√n 158.99181363953
5√n 57.689903266177

Divisors of 638997345

1, 3, 9, 35, 105, 315, 829, 2447, 2487, 7341, 7461, 22023, 29015, 85645, 87045, 256935, 261135, 770805, 2028563, 6085689, 18257067, 70999705, 212999115, 638997345

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638997344
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638997345 can be divided by 24 positive divisors. The sum of these divisors (counting 638997345) is 1, the average is 0.041666666666667.

Base conversion 638997345

Base System Value
2 Binary 100110000101100101001101100001
3 Ternary 1122112101102120100
4 Quaternary 212011211031201
5 Quinary 2302040403340
6 Senary 143223533013
8 Octal 4605451541
10 Decimal 638997345
12 Duodecimal 159bba169
16 Hexadecimal 26165361
20 Vigesimal 9jded75
36 Base36 akfxi9

Cryptographic Hash Functions

md5 61ae4ba3cb14a011cf02a5bebf86bb36
sha1 4311d6117c37b419aebdb56fdf6faebf71035f59
sha256 3c16a6b14e52d01c473b64ccdf1ff4ae145bedd311bf237b7c8d32fa86073b9a
sha512 75976ffc3c551b63b00d9721d1722a1380f4891a8a5df8a67faf2fdfc9edeb8a767d81d311d07fcf8b6f090868e4da35eccac4c4dd75e83fe9061c1b85b4c7c3
ripemd-160 c2b0a4363965102a5962d5bfcd142c0c9ba8528c

638997345 as geometric shapes

Circle

Radius = n
Diameter 1277994690
Circumference 4014938729.4308
Area 1.282767594222E+18

Sphere

Radius = n
Volume 1.0929134492798E+27
Surface area 5.1310703768879E+18
Circumference 4014938729.4308

Square

Length = n
Perimeter 2555989380
Area 408317606917049025
Diagonal 903678711.6194

Cube

Length = n
Surface area 2449905641502294150
Volume 2.6091386673675E+26
Space diagonal 1106775867.4416

Equilateral Triangle

Length = n
Perimeter 1916992035
Area 1.7680671020132E+17
Altitude 553387933.72081

Triangular Pyramid

Length = n
Surface area 1.7680671020132E+17
Volume 3.0748994079193E+25
Height 301226237.20647